./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0513.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0513.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aaec9a71c2206d3d9fbfa56b3c6172e3ff60aad385f0ad346fdbde53f8ce1a2e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:53:18,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:53:18,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:53:18,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:53:18,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:53:18,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:53:18,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:53:18,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:53:18,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:53:18,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:53:18,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:53:18,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:53:18,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:53:18,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:53:18,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:53:18,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:53:18,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:53:18,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:53:18,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:53:18,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:53:18,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:53:18,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:53:18,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:53:18,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:53:18,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:53:18,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:53:18,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:53:18,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:53:18,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:53:18,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:53:18,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:53:18,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:53:18,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:53:18,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:53:18,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:53:18,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:53:18,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:53:18,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:53:18,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:53:18,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:53:18,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:53:18,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 11:53:18,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:53:18,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:53:18,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:53:18,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:53:18,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:53:18,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:53:18,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:53:18,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:53:18,267 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:53:18,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:53:18,267 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:53:18,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:53:18,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:53:18,268 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:53:18,268 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:53:18,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:53:18,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:53:18,268 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:53:18,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:53:18,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:53:18,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:53:18,270 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:53:18,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:53:18,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:53:18,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:53:18,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:53:18,271 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:53:18,271 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:53:18,271 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 11:53:18,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:53:18,271 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:53:18,272 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:53:18,272 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:53:18,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:53:18,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:53:18,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:53:18,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:53:18,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:53:18,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:53:18,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:53:18,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:53:18,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:53:18,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaec9a71c2206d3d9fbfa56b3c6172e3ff60aad385f0ad346fdbde53f8ce1a2e [2022-12-14 11:53:18,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:53:18,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:53:18,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:53:18,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:53:18,476 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:53:18,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/test-0513.i [2022-12-14 11:53:21,132 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:53:21,298 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:53:21,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/sv-benchmarks/c/memsafety/test-0513.i [2022-12-14 11:53:21,305 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/data/acac781a7/cd4955aa466648a899a5ab829b7897a0/FLAGdd81690bb [2022-12-14 11:53:21,315 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/data/acac781a7/cd4955aa466648a899a5ab829b7897a0 [2022-12-14 11:53:21,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:53:21,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:53:21,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:53:21,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:53:21,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:53:21,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a4431f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21, skipping insertion in model container [2022-12-14 11:53:21,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:53:21,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:53:21,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:53:21,537 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:53:21,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:53:21,579 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:53:21,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21 WrapperNode [2022-12-14 11:53:21,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:53:21,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:53:21,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:53:21,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:53:21,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,610 INFO L138 Inliner]: procedures = 123, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2022-12-14 11:53:21,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:53:21,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:53:21,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:53:21,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:53:21,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:53:21,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:53:21,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:53:21,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:53:21,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (1/1) ... [2022-12-14 11:53:21,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:53:21,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:53:21,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:53:21,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:53:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:53:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:53:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:53:21,766 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:53:21,768 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:53:22,048 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:53:22,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:53:22,086 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 11:53:22,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:53:22 BoogieIcfgContainer [2022-12-14 11:53:22,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:53:22,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:53:22,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:53:22,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:53:22,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:53:21" (1/3) ... [2022-12-14 11:53:22,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad143a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:53:22, skipping insertion in model container [2022-12-14 11:53:22,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:53:21" (2/3) ... [2022-12-14 11:53:22,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad143a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:53:22, skipping insertion in model container [2022-12-14 11:53:22,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:53:22" (3/3) ... [2022-12-14 11:53:22,095 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0513.i [2022-12-14 11:53:22,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:53:22,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-12-14 11:53:22,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:53:22,168 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5473467, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:53:22,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-12-14 11:53:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 48 states have (on average 2.5208333333333335) internal successors, (121), 110 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:53:22,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:22,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:53:22,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:22,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash 7320914, now seen corresponding path program 1 times [2022-12-14 11:53:22,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:22,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425954484] [2022-12-14 11:53:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:22,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:22,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:22,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425954484] [2022-12-14 11:53:22,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425954484] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:22,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:22,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:22,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484885546] [2022-12-14 11:53:22,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:22,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 11:53:22,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:22,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 11:53:22,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:53:22,325 INFO L87 Difference]: Start difference. First operand has 111 states, 48 states have (on average 2.5208333333333335) internal successors, (121), 110 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:22,382 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2022-12-14 11:53:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 11:53:22,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 11:53:22,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:22,392 INFO L225 Difference]: With dead ends: 111 [2022-12-14 11:53:22,393 INFO L226 Difference]: Without dead ends: 110 [2022-12-14 11:53:22,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 11:53:22,397 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:22,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:53:22,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-14 11:53:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-14 11:53:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 48 states have (on average 2.4583333333333335) internal successors, (118), 109 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-12-14 11:53:22,426 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 4 [2022-12-14 11:53:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:22,427 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-12-14 11:53:22,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-12-14 11:53:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:53:22,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:22,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:53:22,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:53:22,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:22,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 7282819, now seen corresponding path program 1 times [2022-12-14 11:53:22,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:22,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074073768] [2022-12-14 11:53:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:22,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:22,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:22,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074073768] [2022-12-14 11:53:22,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074073768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:22,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:22,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:22,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394512059] [2022-12-14 11:53:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:22,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:22,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:22,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:22,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,490 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:22,621 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2022-12-14 11:53:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:22,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 11:53:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:22,624 INFO L225 Difference]: With dead ends: 135 [2022-12-14 11:53:22,624 INFO L226 Difference]: Without dead ends: 135 [2022-12-14 11:53:22,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,626 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 62 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:22,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 122 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-12-14 11:53:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2022-12-14 11:53:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 51 states have (on average 2.392156862745098) internal successors, (122), 109 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2022-12-14 11:53:22,635 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 4 [2022-12-14 11:53:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:22,636 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2022-12-14 11:53:22,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-12-14 11:53:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:53:22,636 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:22,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:53:22,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:53:22,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:22,638 INFO L85 PathProgramCache]: Analyzing trace with hash 7282820, now seen corresponding path program 1 times [2022-12-14 11:53:22,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:22,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485200523] [2022-12-14 11:53:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:22,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:22,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:22,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485200523] [2022-12-14 11:53:22,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485200523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:22,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:22,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:22,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127750988] [2022-12-14 11:53:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:22,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:22,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:22,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:22,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,725 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:22,803 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2022-12-14 11:53:22,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:22,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 11:53:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:22,804 INFO L225 Difference]: With dead ends: 108 [2022-12-14 11:53:22,804 INFO L226 Difference]: Without dead ends: 108 [2022-12-14 11:53:22,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,805 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:22,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 131 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:22,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-12-14 11:53:22,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-12-14 11:53:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 51 states have (on average 2.3529411764705883) internal successors, (120), 107 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2022-12-14 11:53:22,809 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 4 [2022-12-14 11:53:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:22,809 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2022-12-14 11:53:22,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-12-14 11:53:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 11:53:22,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:22,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 11:53:22,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:53:22,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:22,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash 225559209, now seen corresponding path program 1 times [2022-12-14 11:53:22,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:22,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260655428] [2022-12-14 11:53:22,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:22,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:22,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260655428] [2022-12-14 11:53:22,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260655428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:22,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:22,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:53:22,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926539419] [2022-12-14 11:53:22,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:22,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:22,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:22,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:22,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,826 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:22,907 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-12-14 11:53:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:22,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 11:53:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:22,908 INFO L225 Difference]: With dead ends: 149 [2022-12-14 11:53:22,908 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 11:53:22,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,910 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 37 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:22,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 130 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 11:53:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 111. [2022-12-14 11:53:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 54 states have (on average 2.2962962962962963) internal successors, (124), 110 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2022-12-14 11:53:22,914 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 5 [2022-12-14 11:53:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:22,914 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2022-12-14 11:53:22,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2022-12-14 11:53:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 11:53:22,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:22,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 11:53:22,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:53:22,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash 225559133, now seen corresponding path program 1 times [2022-12-14 11:53:22,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:22,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590611602] [2022-12-14 11:53:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:22,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:22,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:22,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590611602] [2022-12-14 11:53:22,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590611602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:22,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:22,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:22,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628187056] [2022-12-14 11:53:22,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:22,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:22,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:22,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:22,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:22,936 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,001 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2022-12-14 11:53:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:23,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 11:53:23,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,002 INFO L225 Difference]: With dead ends: 116 [2022-12-14 11:53:23,002 INFO L226 Difference]: Without dead ends: 115 [2022-12-14 11:53:23,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:23,003 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 146 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-12-14 11:53:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2022-12-14 11:53:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 2.232142857142857) internal successors, (125), 112 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2022-12-14 11:53:23,011 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 5 [2022-12-14 11:53:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,012 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2022-12-14 11:53:23,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2022-12-14 11:53:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:53:23,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:53:23,012 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891572, now seen corresponding path program 1 times [2022-12-14 11:53:23,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442989841] [2022-12-14 11:53:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442989841] [2022-12-14 11:53:23,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442989841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:23,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964265685] [2022-12-14 11:53:23,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:23,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:23,058 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,127 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2022-12-14 11:53:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:23,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:53:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,128 INFO L225 Difference]: With dead ends: 109 [2022-12-14 11:53:23,128 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 11:53:23,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:23,130 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 19 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 117 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 11:53:23,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-12-14 11:53:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 56 states have (on average 2.1607142857142856) internal successors, (121), 108 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2022-12-14 11:53:23,134 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 7 [2022-12-14 11:53:23,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,134 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2022-12-14 11:53:23,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-12-14 11:53:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 11:53:23,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:53:23,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2074891571, now seen corresponding path program 1 times [2022-12-14 11:53:23,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541296471] [2022-12-14 11:53:23,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541296471] [2022-12-14 11:53:23,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541296471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:53:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865532941] [2022-12-14 11:53:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:53:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:53:23,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:23,199 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,267 INFO L93 Difference]: Finished difference Result 106 states and 118 transitions. [2022-12-14 11:53:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:53:23,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 11:53:23,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,268 INFO L225 Difference]: With dead ends: 106 [2022-12-14 11:53:23,268 INFO L226 Difference]: Without dead ends: 106 [2022-12-14 11:53:23,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:53:23,269 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 126 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-12-14 11:53:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-12-14 11:53:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 2.107142857142857) internal successors, (118), 105 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2022-12-14 11:53:23,273 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 7 [2022-12-14 11:53:23,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,274 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2022-12-14 11:53:23,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2022-12-14 11:53:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:53:23,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,274 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:53:23,274 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,275 INFO L85 PathProgramCache]: Analyzing trace with hash -525717927, now seen corresponding path program 1 times [2022-12-14 11:53:23,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348252994] [2022-12-14 11:53:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348252994] [2022-12-14 11:53:23,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348252994] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:53:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977784545] [2022-12-14 11:53:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:53:23,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:53:23,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:53:23,331 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,460 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-12-14 11:53:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:53:23,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 11:53:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,462 INFO L225 Difference]: With dead ends: 191 [2022-12-14 11:53:23,462 INFO L226 Difference]: Without dead ends: 191 [2022-12-14 11:53:23,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:53:23,463 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 107 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 201 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-12-14 11:53:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 106. [2022-12-14 11:53:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 2.0714285714285716) internal successors, (116), 105 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2022-12-14 11:53:23,467 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 12 [2022-12-14 11:53:23,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,467 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2022-12-14 11:53:23,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2022-12-14 11:53:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:53:23,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,467 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:53:23,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash -525718003, now seen corresponding path program 1 times [2022-12-14 11:53:23,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256240109] [2022-12-14 11:53:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256240109] [2022-12-14 11:53:23,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256240109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:53:23,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541018556] [2022-12-14 11:53:23,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:53:23,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:53:23,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:53:23,521 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,615 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2022-12-14 11:53:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:53:23,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 11:53:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,616 INFO L225 Difference]: With dead ends: 100 [2022-12-14 11:53:23,616 INFO L226 Difference]: Without dead ends: 100 [2022-12-14 11:53:23,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:53:23,617 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 34 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 105 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-14 11:53:23,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-12-14 11:53:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.9298245614035088) internal successors, (110), 98 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2022-12-14 11:53:23,621 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 12 [2022-12-14 11:53:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,621 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2022-12-14 11:53:23,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2022-12-14 11:53:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 11:53:23,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,622 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:53:23,622 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash -525718002, now seen corresponding path program 1 times [2022-12-14 11:53:23,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65690925] [2022-12-14 11:53:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65690925] [2022-12-14 11:53:23,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65690925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:53:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684797024] [2022-12-14 11:53:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:53:23,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:53:23,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:53:23,722 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:23,854 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-12-14 11:53:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:53:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 11:53:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:23,855 INFO L225 Difference]: With dead ends: 166 [2022-12-14 11:53:23,855 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 11:53:23,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:53:23,856 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 81 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:23,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 107 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 11:53:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2022-12-14 11:53:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 87 states have (on average 1.9540229885057472) internal successors, (170), 126 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 170 transitions. [2022-12-14 11:53:23,859 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 170 transitions. Word has length 12 [2022-12-14 11:53:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:23,859 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 170 transitions. [2022-12-14 11:53:23,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2022-12-14 11:53:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 11:53:23,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:23,860 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:23,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:53:23,860 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:23,860 INFO L85 PathProgramCache]: Analyzing trace with hash 78541249, now seen corresponding path program 1 times [2022-12-14 11:53:23,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:23,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133773285] [2022-12-14 11:53:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:23,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:23,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:23,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133773285] [2022-12-14 11:53:23,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133773285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:23,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:23,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:53:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318161760] [2022-12-14 11:53:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:23,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:53:23,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:53:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:53:23,913 INFO L87 Difference]: Start difference. First operand 127 states and 170 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:24,022 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2022-12-14 11:53:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:53:24,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 11:53:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:24,023 INFO L225 Difference]: With dead ends: 166 [2022-12-14 11:53:24,023 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 11:53:24,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:53:24,024 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 188 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:24,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 166 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 11:53:24,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 128. [2022-12-14 11:53:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 88 states have (on average 1.9431818181818181) internal successors, (171), 127 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2022-12-14 11:53:24,026 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 16 [2022-12-14 11:53:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:24,027 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2022-12-14 11:53:24,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2022-12-14 11:53:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 11:53:24,027 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:24,027 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:24,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:53:24,027 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:24,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 78602504, now seen corresponding path program 1 times [2022-12-14 11:53:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:24,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53922257] [2022-12-14 11:53:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:24,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:24,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53922257] [2022-12-14 11:53:24,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53922257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:24,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:24,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:53:24,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745418693] [2022-12-14 11:53:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:24,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:53:24,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:24,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:53:24,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:53:24,179 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:24,308 INFO L93 Difference]: Finished difference Result 151 states and 195 transitions. [2022-12-14 11:53:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:53:24,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 11:53:24,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:24,310 INFO L225 Difference]: With dead ends: 151 [2022-12-14 11:53:24,310 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 11:53:24,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:53:24,311 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 19 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:24,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 209 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 11:53:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2022-12-14 11:53:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 94 states have (on average 1.8936170212765957) internal successors, (178), 133 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 178 transitions. [2022-12-14 11:53:24,314 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 178 transitions. Word has length 16 [2022-12-14 11:53:24,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:24,314 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 178 transitions. [2022-12-14 11:53:24,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2022-12-14 11:53:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:53:24,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:24,315 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:24,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:53:24,315 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:24,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:24,315 INFO L85 PathProgramCache]: Analyzing trace with hash -934620265, now seen corresponding path program 1 times [2022-12-14 11:53:24,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:24,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872873255] [2022-12-14 11:53:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:24,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:24,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:24,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872873255] [2022-12-14 11:53:24,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872873255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:24,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:24,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:53:24,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379198190] [2022-12-14 11:53:24,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:24,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:53:24,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:24,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:53:24,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:53:24,501 INFO L87 Difference]: Start difference. First operand 134 states and 178 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:24,632 INFO L93 Difference]: Finished difference Result 161 states and 205 transitions. [2022-12-14 11:53:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:53:24,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 11:53:24,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:24,633 INFO L225 Difference]: With dead ends: 161 [2022-12-14 11:53:24,633 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 11:53:24,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:53:24,634 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:24,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 212 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 11:53:24,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 139. [2022-12-14 11:53:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 99 states have (on average 1.8484848484848484) internal successors, (183), 138 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2022-12-14 11:53:24,636 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 19 [2022-12-14 11:53:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:24,637 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2022-12-14 11:53:24,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2022-12-14 11:53:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:53:24,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:24,637 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:24,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:53:24,637 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:24,638 INFO L85 PathProgramCache]: Analyzing trace with hash -934621519, now seen corresponding path program 1 times [2022-12-14 11:53:24,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:24,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595010768] [2022-12-14 11:53:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:24,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:24,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:24,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595010768] [2022-12-14 11:53:24,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595010768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:24,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:24,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 11:53:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279356982] [2022-12-14 11:53:24,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:24,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:53:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:53:24,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:53:24,878 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:25,200 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2022-12-14 11:53:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:53:25,200 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 11:53:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:25,201 INFO L225 Difference]: With dead ends: 178 [2022-12-14 11:53:25,201 INFO L226 Difference]: Without dead ends: 178 [2022-12-14 11:53:25,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:53:25,202 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 88 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:25,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 281 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:53:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-12-14 11:53:25,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 140. [2022-12-14 11:53:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.85) internal successors, (185), 139 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 185 transitions. [2022-12-14 11:53:25,204 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 185 transitions. Word has length 19 [2022-12-14 11:53:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:25,204 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 185 transitions. [2022-12-14 11:53:25,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2022-12-14 11:53:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 11:53:25,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:25,205 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:25,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:53:25,205 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:25,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash -934621518, now seen corresponding path program 1 times [2022-12-14 11:53:25,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:25,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535418366] [2022-12-14 11:53:25,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:25,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:25,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:25,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535418366] [2022-12-14 11:53:25,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535418366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:25,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:25,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:53:25,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106084312] [2022-12-14 11:53:25,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:25,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:53:25,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:25,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:53:25,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:53:25,462 INFO L87 Difference]: Start difference. First operand 140 states and 185 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:25,639 INFO L93 Difference]: Finished difference Result 159 states and 203 transitions. [2022-12-14 11:53:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:53:25,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 11:53:25,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:25,640 INFO L225 Difference]: With dead ends: 159 [2022-12-14 11:53:25,640 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 11:53:25,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-12-14 11:53:25,641 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:25,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 134 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:25,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 11:53:25,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2022-12-14 11:53:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.84) internal successors, (184), 139 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-12-14 11:53:25,644 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 19 [2022-12-14 11:53:25,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:25,644 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-12-14 11:53:25,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-12-14 11:53:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 11:53:25,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:25,645 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:25,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:53:25,645 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:25,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1091504825, now seen corresponding path program 1 times [2022-12-14 11:53:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:25,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659430738] [2022-12-14 11:53:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:25,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:25,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:25,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659430738] [2022-12-14 11:53:25,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659430738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:25,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:25,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 11:53:25,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404670829] [2022-12-14 11:53:25,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:25,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:53:25,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:53:25,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:53:25,798 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:25,972 INFO L93 Difference]: Finished difference Result 182 states and 228 transitions. [2022-12-14 11:53:25,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:53:25,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 11:53:25,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:25,973 INFO L225 Difference]: With dead ends: 182 [2022-12-14 11:53:25,973 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 11:53:25,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:53:25,974 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 145 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:25,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 251 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 11:53:25,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 141. [2022-12-14 11:53:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 101 states have (on average 1.8316831683168318) internal successors, (185), 140 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2022-12-14 11:53:25,977 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 20 [2022-12-14 11:53:25,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:25,977 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2022-12-14 11:53:25,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2022-12-14 11:53:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 11:53:25,977 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:25,977 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:25,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 11:53:25,978 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:25,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:25,978 INFO L85 PathProgramCache]: Analyzing trace with hash -523088569, now seen corresponding path program 1 times [2022-12-14 11:53:25,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:25,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73564710] [2022-12-14 11:53:25,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:26,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:26,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73564710] [2022-12-14 11:53:26,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73564710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:26,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:26,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:53:26,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665444808] [2022-12-14 11:53:26,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:26,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 11:53:26,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:26,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 11:53:26,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:53:26,150 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:26,374 INFO L93 Difference]: Finished difference Result 164 states and 208 transitions. [2022-12-14 11:53:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:53:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-14 11:53:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:26,375 INFO L225 Difference]: With dead ends: 164 [2022-12-14 11:53:26,375 INFO L226 Difference]: Without dead ends: 164 [2022-12-14 11:53:26,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-12-14 11:53:26,375 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 48 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:26,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 283 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:53:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-14 11:53:26,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 142. [2022-12-14 11:53:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 102 states have (on average 1.8235294117647058) internal successors, (186), 141 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 186 transitions. [2022-12-14 11:53:26,378 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 186 transitions. Word has length 21 [2022-12-14 11:53:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:26,378 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 186 transitions. [2022-12-14 11:53:26,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 186 transitions. [2022-12-14 11:53:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 11:53:26,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:26,379 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:26,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 11:53:26,379 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:26,379 INFO L85 PathProgramCache]: Analyzing trace with hash 964123771, now seen corresponding path program 1 times [2022-12-14 11:53:26,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:26,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049701203] [2022-12-14 11:53:26,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:26,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 11:53:26,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:26,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049701203] [2022-12-14 11:53:26,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049701203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:26,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:53:26,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:53:26,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350304744] [2022-12-14 11:53:26,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:26,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:53:26,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:26,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:53:26,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:53:26,413 INFO L87 Difference]: Start difference. First operand 142 states and 186 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:26,539 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2022-12-14 11:53:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:53:26,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-12-14 11:53:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:26,543 INFO L225 Difference]: With dead ends: 203 [2022-12-14 11:53:26,544 INFO L226 Difference]: Without dead ends: 203 [2022-12-14 11:53:26,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:53:26,544 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 66 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:26,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 163 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:53:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-12-14 11:53:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 146. [2022-12-14 11:53:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 108 states have (on average 1.8240740740740742) internal successors, (197), 145 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 197 transitions. [2022-12-14 11:53:26,549 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 197 transitions. Word has length 22 [2022-12-14 11:53:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:26,549 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 197 transitions. [2022-12-14 11:53:26,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2022-12-14 11:53:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 11:53:26,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:26,550 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:26,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 11:53:26,550 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:26,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:26,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1189983836, now seen corresponding path program 1 times [2022-12-14 11:53:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:26,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094755422] [2022-12-14 11:53:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:26,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:26,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094755422] [2022-12-14 11:53:26,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094755422] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:53:26,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513378017] [2022-12-14 11:53:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:53:26,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:53:26,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:53:26,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:53:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:26,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 11:53:26,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:53:26,959 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:53:26,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 32 [2022-12-14 11:53:27,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:27,126 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:27,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 11:53:27,231 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:53:27,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 34 [2022-12-14 11:53:27,354 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~item2~0#1.base| Int) (|ULTIMATE.start_main_~data~0#1.base| Int) (v_DerPreprocessor_2 Int)) (let ((.cse0 (store (store (store |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~data~0#1.base| 0) |ULTIMATE.start_main_~item2~0#1.base| v_DerPreprocessor_2) |ULTIMATE.start_main_~data~0#1.base| 0))) (and (= v_DerPreprocessor_2 (select .cse0 |ULTIMATE.start_main_~item2~0#1.base|)) (= (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~data~0#1.base|) 0) (= |c_#valid| (store .cse0 |ULTIMATE.start_main_~item2~0#1.base| 0)) (= (select |c_ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item2~0#1.base|) 0)))) is different from true [2022-12-14 11:53:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-14 11:53:27,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:53:27,436 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~data~0#1.base| 0) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) 0) |c_ULTIMATE.start_main_old_#valid#1|) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)))) is different from false [2022-12-14 11:53:27,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2022-12-14 11:53:29,528 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#valid| |c_ULTIMATE.start_main_~data~0#1.base| 0))) (let ((.cse3 (forall ((v_arrayElimCell_4 Int) (v_antiDerIndex_entry0_1 Int)) (= (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1) (select (store .cse1 v_arrayElimCell_4 0) v_antiDerIndex_entry0_1)))) (.cse4 (= |c_ULTIMATE.start_main_~lItem~0#1.base| |c_ULTIMATE.start_main_~data~0#1.base|)) (.cse2 (store .cse1 |c_ULTIMATE.start_main_~item~0#1.base| 0))) (and (forall ((v_antiDerIndex_entry0_1 Int) (v_arrayElimCell_4 Int)) (let ((.cse0 (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1))) (or (= .cse0 (select (store .cse1 v_arrayElimCell_4 0) v_antiDerIndex_entry0_1)) (= .cse0 (select .cse2 v_antiDerIndex_entry0_1))))) (or .cse3 .cse4) (or .cse3 (and (< |c_ULTIMATE.start_main_~lItem~0#1.offset| 1) (< 0 (+ |c_ULTIMATE.start_main_~lItem~0#1.offset| 1)))) (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (not .cse4) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0)) (forall ((v_antiDerIndex_entry0_1 Int)) (= (select |c_ULTIMATE.start_main_old_#valid#1| v_antiDerIndex_entry0_1) (select .cse2 v_antiDerIndex_entry0_1))))))) is different from false [2022-12-14 11:53:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-14 11:53:44,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513378017] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:53:44,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [188354554] [2022-12-14 11:53:44,170 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 11:53:44,170 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:53:44,174 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:53:44,179 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:53:44,179 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:53:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:53:44,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:44,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:44,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:53:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:53:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:53:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:53:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:53:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:53:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:53:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:53:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:53:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,545 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:53:44,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:53:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:53:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:53:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:44,635 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:53:44,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:53:44,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:53:44,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-12-14 11:53:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:53:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:53:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:53:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:53:44,926 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:53:44,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:53:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:53:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:44,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:45,017 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:53:45,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:53:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:53:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:53:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:53:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-14 11:53:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:53:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:53:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:53:45,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:45,574 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:53:45,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 322 treesize of output 294 [2022-12-14 11:53:45,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:45,606 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 11:53:45,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 314 treesize of output 327 [2022-12-14 11:53:45,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:45,631 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:53:45,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 310 treesize of output 288 [2022-12-14 11:53:45,706 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:53:49,928 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5291#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= |ULTIMATE.start_main_~lItem~0#1.base| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 11:53:49,929 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:53:49,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:53:49,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2022-12-14 11:53:49,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177128018] [2022-12-14 11:53:49,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:53:49,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 11:53:49,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:49,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 11:53:49,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1234, Unknown=8, NotChecked=222, Total=1640 [2022-12-14 11:53:49,930 INFO L87 Difference]: Start difference. First operand 146 states and 197 transitions. Second operand has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:50,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:53:50,739 INFO L93 Difference]: Finished difference Result 157 states and 208 transitions. [2022-12-14 11:53:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:53:50,739 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-14 11:53:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:53:50,740 INFO L225 Difference]: With dead ends: 157 [2022-12-14 11:53:50,740 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 11:53:50,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 34 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=252, Invalid=1644, Unknown=8, NotChecked=258, Total=2162 [2022-12-14 11:53:50,741 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:53:50,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 437 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 672 Invalid, 0 Unknown, 282 Unchecked, 0.5s Time] [2022-12-14 11:53:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 11:53:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2022-12-14 11:53:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 110 states have (on average 1.809090909090909) internal successors, (199), 147 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 199 transitions. [2022-12-14 11:53:50,743 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 199 transitions. Word has length 24 [2022-12-14 11:53:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:53:50,743 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 199 transitions. [2022-12-14 11:53:50,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.4) internal successors, (60), 25 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:53:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2022-12-14 11:53:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 11:53:50,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:53:50,744 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:53:50,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:53:50,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:53:50,946 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:53:50,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:53:50,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1189985090, now seen corresponding path program 1 times [2022-12-14 11:53:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:53:50,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749646004] [2022-12-14 11:53:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:53:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:51,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:53:51,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749646004] [2022-12-14 11:53:51,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749646004] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:53:51,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419619913] [2022-12-14 11:53:51,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:53:51,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:53:51,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:53:51,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:53:51,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:53:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:53:51,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 11:53:51,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:53:51,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:53:51,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:51,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:51,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:51,457 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:53:51,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:53:51,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:51,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:53:51,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:53:51,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:51,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-14 11:53:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:51,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:51,752 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-12-14 11:53:51,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 42 [2022-12-14 11:53:51,762 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:51,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 11:53:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:51,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:53:52,315 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|) |c_ULTIMATE.start_main_~item~0#1.base|)))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~data~0#1.base|))) (and (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int) (v_ArrVal_488 (Array Int Int))) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) (select .cse0 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))))) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (= (select (select .cse1 (select .cse0 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0))))))) is different from false [2022-12-14 11:53:52,349 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-12-14 11:53:52,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2022-12-14 11:53:52,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2022-12-14 11:53:52,474 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|))) (and (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_488 (Array Int Int))) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((v_arrayElimArr_1 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_1))) (or (= (select (select .cse0 (select v_arrayElimArr_1 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (not (= (select v_arrayElimArr_1 .cse1) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select .cse0 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (forall ((v_arrayElimArr_1 (Array Int Int))) (or (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_1) (select v_arrayElimArr_1 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0) (not (= (select v_arrayElimArr_1 .cse1) |c_ULTIMATE.start_main_~item~0#1.base|)))) (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (= |c_ULTIMATE.start_main_~lItem~0#1.offset| |ULTIMATE.start_main_~data~0#1.offset|))) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_arrayElimCell_138 Int) (v_ArrVal_488 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488))) (or (= (select (select .cse2 v_arrayElimCell_138) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select .cse2 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))) (or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_arrayElimCell_138 Int) (v_ArrVal_488 (Array Int Int))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_488) v_arrayElimCell_138) |ULTIMATE.start_main_~item~0#1.offset|) 0) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))) (and (< |c_ULTIMATE.start_main_~lItem~0#1.offset| 1) (< 0 (+ |c_ULTIMATE.start_main_~lItem~0#1.offset| 1)))))) is different from false [2022-12-14 11:53:52,807 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:52,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-12-14 11:53:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:52,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:52,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 38 [2022-12-14 11:53:52,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:52,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:53:52,851 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:52,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2022-12-14 11:53:52,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:52,868 INFO L321 Elim1Store]: treesize reduction 16, result has 42.9 percent of original size [2022-12-14 11:53:52,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 36 [2022-12-14 11:53:52,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-12-14 11:53:52,889 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:53:52,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-12-14 11:53:52,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:52,895 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:53:52,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 11 [2022-12-14 11:53:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:53:52,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419619913] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:53:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1099743533] [2022-12-14 11:53:52,972 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 11:53:52,972 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:53:52,972 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:53:52,972 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:53:52,972 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:53:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:52,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:53:53,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:53:53,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:53:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:53:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:53:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:53:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:53:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:53:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:53,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:53:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:53:53,206 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:53:53,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:53:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:53:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:53,281 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:53:53,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:53:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:53:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:53:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:53:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:53:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:53:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:53:53,517 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:53:53,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:53:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:53:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:53:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:53,585 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:53:53,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:53:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:53:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:53:53,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:53:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:53:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:53:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:53:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:53:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:53:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:53,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:53:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:54,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:54,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:54,058 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:53:54,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 346 treesize of output 298 [2022-12-14 11:53:54,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:54,079 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:53:54,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 340 treesize of output 316 [2022-12-14 11:53:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:53:54,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:54,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:53:54,112 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-12-14 11:53:54,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 336 treesize of output 351 [2022-12-14 11:53:54,161 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:53:58,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1099743533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:53:58,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:53:58,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13, 13, 13] total 46 [2022-12-14 11:53:58,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612143428] [2022-12-14 11:53:58,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:53:58,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 11:53:58,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:53:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 11:53:58,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1586, Unknown=3, NotChecked=170, Total=2070 [2022-12-14 11:53:58,273 INFO L87 Difference]: Start difference. First operand 148 states and 199 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:00,391 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-12-14 11:54:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:54:00,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-12-14 11:54:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:00,393 INFO L225 Difference]: With dead ends: 161 [2022-12-14 11:54:00,393 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 11:54:00,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=359, Invalid=1808, Unknown=3, NotChecked=182, Total=2352 [2022-12-14 11:54:00,394 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 10 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:00,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 153 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:54:00,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 11:54:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-12-14 11:54:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7826086956521738) internal successors, (205), 152 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2022-12-14 11:54:00,398 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 205 transitions. Word has length 24 [2022-12-14 11:54:00,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:00,398 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-12-14 11:54:00,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2022-12-14 11:54:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 11:54:00,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:00,399 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:00,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:54:00,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:00,601 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:00,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096688, now seen corresponding path program 1 times [2022-12-14 11:54:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:00,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049063868] [2022-12-14 11:54:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:00,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:00,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:00,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049063868] [2022-12-14 11:54:00,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049063868] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:00,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634191692] [2022-12-14 11:54:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:00,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:00,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:00,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:00,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:54:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:01,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 11:54:01,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:01,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:54:01,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:01,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:01,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2022-12-14 11:54:01,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:01,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:54:01,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 11:54:01,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 11:54:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:01,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:01,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634191692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:01,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:54:01,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18 [2022-12-14 11:54:01,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101625378] [2022-12-14 11:54:01,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:01,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:54:01,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:01,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:54:01,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:54:01,362 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:01,752 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2022-12-14 11:54:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:54:01,752 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 11:54:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:01,753 INFO L225 Difference]: With dead ends: 185 [2022-12-14 11:54:01,753 INFO L226 Difference]: Without dead ends: 185 [2022-12-14 11:54:01,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2022-12-14 11:54:01,753 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 239 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:01,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 237 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:54:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-12-14 11:54:01,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2022-12-14 11:54:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7565217391304349) internal successors, (202), 152 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 202 transitions. [2022-12-14 11:54:01,756 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 202 transitions. Word has length 25 [2022-12-14 11:54:01,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:01,756 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 202 transitions. [2022-12-14 11:54:01,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2022-12-14 11:54:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 11:54:01,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:01,757 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:01,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:54:01,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:01,957 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:01,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1162096687, now seen corresponding path program 1 times [2022-12-14 11:54:01,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:01,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823068705] [2022-12-14 11:54:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:01,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:02,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:02,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823068705] [2022-12-14 11:54:02,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823068705] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:02,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734355355] [2022-12-14 11:54:02,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:02,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:02,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:02,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:54:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:02,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 11:54:02,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:02,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:54:02,390 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:02,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:02,404 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:02,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:02,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:02,462 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:54:02,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-12-14 11:54:02,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-14 11:54:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:02,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:02,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734355355] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:02,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:54:02,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2022-12-14 11:54:02,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882691922] [2022-12-14 11:54:02,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:02,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:54:02,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:02,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:54:02,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:54:02,534 INFO L87 Difference]: Start difference. First operand 153 states and 202 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:02,782 INFO L93 Difference]: Finished difference Result 172 states and 201 transitions. [2022-12-14 11:54:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 11:54:02,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 11:54:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:02,783 INFO L225 Difference]: With dead ends: 172 [2022-12-14 11:54:02,783 INFO L226 Difference]: Without dead ends: 172 [2022-12-14 11:54:02,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-12-14 11:54:02,784 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 91 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:02,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 191 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:54:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-12-14 11:54:02,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2022-12-14 11:54:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 115 states have (on average 1.7304347826086957) internal successors, (199), 152 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 199 transitions. [2022-12-14 11:54:02,786 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 199 transitions. Word has length 25 [2022-12-14 11:54:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:02,786 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 199 transitions. [2022-12-14 11:54:02,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2022-12-14 11:54:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:54:02,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:02,787 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:02,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:54:02,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-14 11:54:02,987 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash 761385839, now seen corresponding path program 1 times [2022-12-14 11:54:02,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:02,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321998000] [2022-12-14 11:54:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:03,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:03,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321998000] [2022-12-14 11:54:03,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321998000] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:03,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955009094] [2022-12-14 11:54:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:03,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:03,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:03,126 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:54:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:03,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 11:54:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:03,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:03,280 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 11:54:03,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-12-14 11:54:03,371 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-14 11:54:03,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 30 [2022-12-14 11:54:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 11:54:03,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:03,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955009094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:03,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:54:03,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2022-12-14 11:54:03,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493422501] [2022-12-14 11:54:03,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:03,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 11:54:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 11:54:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-12-14 11:54:03,391 INFO L87 Difference]: Start difference. First operand 153 states and 199 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:03,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:03,606 INFO L93 Difference]: Finished difference Result 169 states and 215 transitions. [2022-12-14 11:54:03,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:54:03,606 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 11:54:03,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:03,606 INFO L225 Difference]: With dead ends: 169 [2022-12-14 11:54:03,606 INFO L226 Difference]: Without dead ends: 169 [2022-12-14 11:54:03,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2022-12-14 11:54:03,607 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 37 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:03,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 352 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:54:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-12-14 11:54:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 155. [2022-12-14 11:54:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.7179487179487178) internal successors, (201), 154 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2022-12-14 11:54:03,609 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 28 [2022-12-14 11:54:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:03,609 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-12-14 11:54:03,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2022-12-14 11:54:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:54:03,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:03,610 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:03,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 11:54:03,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-14 11:54:03,812 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:03,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:03,813 INFO L85 PathProgramCache]: Analyzing trace with hash 761384585, now seen corresponding path program 1 times [2022-12-14 11:54:03,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:03,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308561944] [2022-12-14 11:54:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:03,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:03,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308561944] [2022-12-14 11:54:03,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308561944] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:03,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025500431] [2022-12-14 11:54:03,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:03,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:03,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:03,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:03,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 11:54:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:04,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 11:54:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:04,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:54:04,107 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:04,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:04,114 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:54:04,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:54:04,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:04,136 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:54:04,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-12-14 11:54:04,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-12-14 11:54:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:04,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:54:04,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:04,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2022-12-14 11:54:04,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2022-12-14 11:54:04,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:54:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:04,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025500431] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:54:04,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2099131264] [2022-12-14 11:54:04,217 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 11:54:04,217 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:54:04,218 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:54:04,218 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:54:04,218 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:54:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:54:04,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:54:04,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:04,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:54:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:04,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:04,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,490 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:04,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:54:04,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:54:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:54:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:04,575 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:54:04,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:54:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:54:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:54:04,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-12-14 11:54:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:04,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,819 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:04,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:54:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:54:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:54:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:04,887 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:54:04,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:54:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:54:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:54:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:04,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-12-14 11:54:05,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,056 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 11:54:05,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 476 treesize of output 437 [2022-12-14 11:54:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,092 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 11:54:05,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 476 treesize of output 413 [2022-12-14 11:54:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,129 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 11:54:05,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 476 treesize of output 476 [2022-12-14 11:54:05,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,231 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 11:54:05,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 483 treesize of output 416 [2022-12-14 11:54:05,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,263 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 11:54:05,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 476 treesize of output 437 [2022-12-14 11:54:05,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,302 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-12-14 11:54:05,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 483 treesize of output 479 [2022-12-14 11:54:05,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,384 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-12-14 11:54:05,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 638 treesize of output 505 [2022-12-14 11:54:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,449 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-12-14 11:54:05,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 898 treesize of output 784 [2022-12-14 11:54:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,489 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-12-14 11:54:05,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 984 treesize of output 837 [2022-12-14 11:54:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,679 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-12-14 11:54:05,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 973 treesize of output 956 [2022-12-14 11:54:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,825 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-12-14 11:54:05,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1151 treesize of output 647 [2022-12-14 11:54:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,911 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-12-14 11:54:05,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1165 treesize of output 899 [2022-12-14 11:54:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:05,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:05,945 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:54:05,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1106 treesize of output 983 [2022-12-14 11:54:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,115 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-12-14 11:54:06,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 1166 treesize of output 650 [2022-12-14 11:54:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,235 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-12-14 11:54:06,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 1180 treesize of output 902 [2022-12-14 11:54:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,388 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-12-14 11:54:06,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1131 treesize of output 1115 [2022-12-14 11:54:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,443 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-12-14 11:54:06,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1104 treesize of output 992 [2022-12-14 11:54:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,840 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-12-14 11:54:06,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1169 treesize of output 790 [2022-12-14 11:54:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:06,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:06,996 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-12-14 11:54:06,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1177 treesize of output 1050 [2022-12-14 11:54:07,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:07,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,104 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-12-14 11:54:07,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1189 treesize of output 1099 [2022-12-14 11:54:07,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,470 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-12-14 11:54:07,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1161 treesize of output 786 [2022-12-14 11:54:07,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,764 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-12-14 11:54:07,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1040 treesize of output 921 [2022-12-14 11:54:07,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:07,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:07,873 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-12-14 11:54:07,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 905 treesize of output 835 [2022-12-14 11:54:08,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:08,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,241 INFO L321 Elim1Store]: treesize reduction 248, result has 8.8 percent of original size [2022-12-14 11:54:08,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 2307 treesize of output 1180 [2022-12-14 11:54:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:08,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:08,996 INFO L321 Elim1Store]: treesize reduction 542, result has 11.3 percent of original size [2022-12-14 11:54:08,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 2735 treesize of output 2145 [2022-12-14 11:54:09,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:09,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,169 INFO L321 Elim1Store]: treesize reduction 546, result has 14.4 percent of original size [2022-12-14 11:54:09,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2919 treesize of output 2545 [2022-12-14 11:54:09,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,679 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-12-14 11:54:09,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 2908 treesize of output 2787 [2022-12-14 11:54:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:09,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:09,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:09,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:09,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:10,089 INFO L321 Elim1Store]: treesize reduction 392, result has 10.7 percent of original size [2022-12-14 11:54:10,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 41 case distinctions, treesize of input 3331 treesize of output 1455 [2022-12-14 11:54:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:10,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:10,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:10,593 INFO L321 Elim1Store]: treesize reduction 626, result has 9.3 percent of original size [2022-12-14 11:54:10,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 42 case distinctions, treesize of input 3345 treesize of output 2465 [2022-12-14 11:54:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:10,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:10,795 INFO L321 Elim1Store]: treesize reduction 392, result has 11.1 percent of original size [2022-12-14 11:54:10,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 3286 treesize of output 2936 [2022-12-14 11:54:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:11,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:11,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,377 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-12-14 11:54:11,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 3346 treesize of output 1458 [2022-12-14 11:54:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:11,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:11,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:12,222 INFO L321 Elim1Store]: treesize reduction 732, result has 6.8 percent of original size [2022-12-14 11:54:12,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 50 case distinctions, treesize of input 3360 treesize of output 2468 [2022-12-14 11:54:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:12,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:12,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:12,549 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-12-14 11:54:12,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 3284 treesize of output 2945 [2022-12-14 11:54:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,185 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-12-14 11:54:13,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 43 case distinctions, treesize of input 3311 treesize of output 3191 [2022-12-14 11:54:13,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:13,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:13,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:13,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:13,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:13,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:13,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 11:54:13,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 11:54:13,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:54:13,609 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:54:13,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:54:13,616 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:13,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 11:54:13,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:13,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2022-12-14 11:54:13,636 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:54:13,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:54:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 11:54:13,684 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:54:13,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:54:13,694 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:13,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-12-14 11:54:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,704 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 11:54:13,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2022-12-14 11:54:13,730 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:54:13,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:54:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 62 [2022-12-14 11:54:13,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2022-12-14 11:54:13,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,779 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 60 [2022-12-14 11:54:13,835 INFO L321 Elim1Store]: treesize reduction 76, result has 30.9 percent of original size [2022-12-14 11:54:13,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 61 [2022-12-14 11:54:13,879 INFO L321 Elim1Store]: treesize reduction 96, result has 33.3 percent of original size [2022-12-14 11:54:13,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 73 [2022-12-14 11:54:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,912 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:13,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 193 treesize of output 124 [2022-12-14 11:54:13,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2022-12-14 11:54:13,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,934 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 70 [2022-12-14 11:54:13,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2022-12-14 11:54:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:13,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:13,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 73 [2022-12-14 11:54:14,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,009 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:54:14,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 208 treesize of output 127 [2022-12-14 11:54:14,065 INFO L321 Elim1Store]: treesize reduction 114, result has 33.3 percent of original size [2022-12-14 11:54:14,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 85 [2022-12-14 11:54:14,084 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:14,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 66 [2022-12-14 11:54:14,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:14,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:14,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 11:54:14,158 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:14,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 11:54:14,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 11:54:14,208 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:54:14,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:54:14,216 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:14,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-12-14 11:54:14,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 48 [2022-12-14 11:54:14,243 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:54:14,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 48 [2022-12-14 11:54:14,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:14,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:54:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 51 [2022-12-14 11:54:14,306 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-12-14 11:54:14,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 71 [2022-12-14 11:54:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,318 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:54:14,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 45 [2022-12-14 11:54:14,373 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:54:14,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:54:14,404 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:14,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:54:14,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 62 [2022-12-14 11:54:14,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:54:14,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 72 [2022-12-14 11:54:14,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:14,464 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:14,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2022-12-14 11:54:14,522 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-12-14 11:54:14,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 69 [2022-12-14 11:54:14,535 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:14,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2022-12-14 11:54:14,565 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:14,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-12-14 11:54:14,586 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:14,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 191 treesize of output 134 [2022-12-14 11:54:14,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:14,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 11:54:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,656 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:54:14,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 206 treesize of output 137 [2022-12-14 11:54:14,698 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-12-14 11:54:14,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 79 [2022-12-14 11:54:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,719 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:14,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-12-14 11:54:14,771 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-12-14 11:54:14,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 81 [2022-12-14 11:54:14,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:14,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:54:14,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:54:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:14,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:54:14,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:54:14,900 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:54:14,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 11:54:14,914 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:14,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:14,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:14,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:14,949 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:54:15,480 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7595#(and (= |ULTIMATE.start_main_~data~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~item2~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~data~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 0) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|) |ULTIMATE.start_main_~data~0#1.offset|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~item2~0#1.base|) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:54:15,480 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:54:15,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:54:15,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-12-14 11:54:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496049449] [2022-12-14 11:54:15,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:54:15,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:54:15,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:15,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:54:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=744, Unknown=4, NotChecked=0, Total=870 [2022-12-14 11:54:15,481 INFO L87 Difference]: Start difference. First operand 155 states and 201 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:15,727 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-12-14 11:54:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:54:15,728 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 11:54:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:15,728 INFO L225 Difference]: With dead ends: 168 [2022-12-14 11:54:15,728 INFO L226 Difference]: Without dead ends: 168 [2022-12-14 11:54:15,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=1144, Unknown=5, NotChecked=0, Total=1332 [2022-12-14 11:54:15,729 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 217 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:15,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 316 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:54:15,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-12-14 11:54:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 150. [2022-12-14 11:54:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 112 states have (on average 1.7410714285714286) internal successors, (195), 149 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 195 transitions. [2022-12-14 11:54:15,731 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 195 transitions. Word has length 28 [2022-12-14 11:54:15,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:15,731 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 195 transitions. [2022-12-14 11:54:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 195 transitions. [2022-12-14 11:54:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 11:54:15,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:15,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:15,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 11:54:15,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:15,933 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1632398409, now seen corresponding path program 2 times [2022-12-14 11:54:15,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:15,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104535065] [2022-12-14 11:54:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:16,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:16,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104535065] [2022-12-14 11:54:16,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104535065] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:16,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657773634] [2022-12-14 11:54:16,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:54:16,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:16,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:16,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:16,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 11:54:16,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 11:54:16,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:54:16,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 11:54:16,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:16,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:54:16,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:16,328 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 11:54:16,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 11:54:16,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:16,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:54:16,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:16,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:16,575 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2022-12-14 11:54:16,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 28 [2022-12-14 11:54:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:16,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:54:16,965 INFO L321 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-12-14 11:54:16,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2022-12-14 11:54:17,037 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 4 |c_ULTIMATE.start_main_~lItem~0#1.offset|))) (and (or (not (<= 0 |c_ULTIMATE.start_main_~lItem~0#1.offset|)) (not (<= |c_ULTIMATE.start_main_~lItem~0#1.offset| 0)) (forall ((v_arrayElimArr_6 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6) |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (forall ((v_arrayElimArr_6 (Array Int Int))) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6) (select v_arrayElimArr_6 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0))) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (= |c_ULTIMATE.start_main_~lItem~0#1.offset| |ULTIMATE.start_main_~data~0#1.offset|))))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((|ULTIMATE.start_main_~data~0#1.offset| Int)) (or (not (<= 0 |ULTIMATE.start_main_~data~0#1.offset|)) (not (<= |ULTIMATE.start_main_~data~0#1.offset| 0)) (forall ((v_arrayElimArr_6 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_arrayElimArr_6))) (or (not (= (select v_arrayElimArr_6 .cse0) |c_ULTIMATE.start_main_~item~0#1.base|)) (= (select (select .cse1 |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select .cse1 (select v_arrayElimArr_6 (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) |ULTIMATE.start_main_~item~0#1.offset|) 0)))))) (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))))) is different from false [2022-12-14 11:54:17,247 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:17,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-12-14 11:54:17,254 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:17,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2022-12-14 11:54:17,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:17,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 11:54:17,283 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:17,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-12-14 11:54:17,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:17,290 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 11:54:17,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 11 [2022-12-14 11:54:17,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 11:54:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:17,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657773634] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:54:17,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1374788217] [2022-12-14 11:54:17,343 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 11:54:17,343 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:54:17,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:54:17,343 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:54:17,344 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:54:17,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:54:17,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:54:17,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:54:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:17,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,604 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:17,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:54:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:54:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:54:17,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:17,691 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:54:17,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:54:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:54:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:54:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-12-14 11:54:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:54:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-14 11:54:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:54:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:54:17,961 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:17,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:54:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:54:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:17,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:54:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,037 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:54:18,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:54:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:54:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:54:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:54:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,551 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 11:54:18,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 346 treesize of output 298 [2022-12-14 11:54:18,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,578 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 11:54:18,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 340 treesize of output 316 [2022-12-14 11:54:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:18,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:18,618 INFO L321 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2022-12-14 11:54:18,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 336 treesize of output 351 [2022-12-14 11:54:18,719 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:54:23,670 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8148#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~lItem~0#1.base| 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-12-14 11:54:23,670 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:54:23,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:54:23,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 35 [2022-12-14 11:54:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858120840] [2022-12-14 11:54:23,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:54:23,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 11:54:23,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 11:54:23,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2032, Unknown=2, NotChecked=94, Total=2450 [2022-12-14 11:54:23,672 INFO L87 Difference]: Start difference. First operand 150 states and 195 transitions. Second operand has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:29,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:29,196 INFO L93 Difference]: Finished difference Result 167 states and 211 transitions. [2022-12-14 11:54:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 11:54:29,197 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-14 11:54:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:29,197 INFO L225 Difference]: With dead ends: 167 [2022-12-14 11:54:29,197 INFO L226 Difference]: Without dead ends: 152 [2022-12-14 11:54:29,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 45 SyntacticMatches, 9 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=541, Invalid=3367, Unknown=2, NotChecked=122, Total=4032 [2022-12-14 11:54:29,198 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 148 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:29,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 914 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1054 Invalid, 0 Unknown, 82 Unchecked, 0.8s Time] [2022-12-14 11:54:29,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-12-14 11:54:29,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 132. [2022-12-14 11:54:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.8617021276595744) internal successors, (175), 131 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 175 transitions. [2022-12-14 11:54:29,200 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 175 transitions. Word has length 29 [2022-12-14 11:54:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:29,200 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 175 transitions. [2022-12-14 11:54:29,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.0) internal successors, (70), 35 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 175 transitions. [2022-12-14 11:54:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 11:54:29,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:29,200 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:29,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 11:54:29,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-14 11:54:29,402 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:29,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:29,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1933851355, now seen corresponding path program 1 times [2022-12-14 11:54:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:29,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199776732] [2022-12-14 11:54:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:29,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:29,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199776732] [2022-12-14 11:54:29,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199776732] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:29,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384329173] [2022-12-14 11:54:29,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:29,624 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:29,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 11:54:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:29,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 11:54:29,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:29,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:29,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:29,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:54:29,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 11:54:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:29,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:54:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:29,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384329173] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:54:29,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1441789504] [2022-12-14 11:54:29,977 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 11:54:29,977 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:54:29,977 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:54:29,977 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:54:29,977 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:54:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:29,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:54:30,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:54:30,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:30,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:30,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:54:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:54:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:30,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:30,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:30,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:30,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,231 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:30,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:54:30,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:54:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:54:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,325 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:54:30,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:54:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:54:30,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-12-14 11:54:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:54:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:54:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:54:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:54:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 11:54:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 11:54:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 11:54:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,582 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:54:30,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 11:54:30,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 11:54:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 11:54:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,668 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 11:54:30,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 11:54:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 11:54:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 11:54:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-12-14 11:54:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,868 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 11:54:30,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 483 treesize of output 420 [2022-12-14 11:54:30,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,898 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 11:54:30,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 483 treesize of output 444 [2022-12-14 11:54:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:30,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:30,938 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 11:54:30,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 483 treesize of output 483 [2022-12-14 11:54:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,034 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 11:54:31,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 423 [2022-12-14 11:54:31,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,088 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-12-14 11:54:31,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 486 [2022-12-14 11:54:31,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,119 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 11:54:31,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 483 treesize of output 444 [2022-12-14 11:54:31,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,206 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-12-14 11:54:31,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-12-14 11:54:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,298 INFO L321 Elim1Store]: treesize reduction 280, result has 14.6 percent of original size [2022-12-14 11:54:31,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 919 treesize of output 801 [2022-12-14 11:54:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,347 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-12-14 11:54:31,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-12-14 11:54:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,540 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-12-14 11:54:31,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-12-14 11:54:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,707 INFO L321 Elim1Store]: treesize reduction 180, result has 15.5 percent of original size [2022-12-14 11:54:31,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1186 treesize of output 664 [2022-12-14 11:54:31,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,826 INFO L321 Elim1Store]: treesize reduction 356, result has 12.3 percent of original size [2022-12-14 11:54:31,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1200 treesize of output 916 [2022-12-14 11:54:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,871 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 11:54:31,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-12-14 11:54:31,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:31,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:31,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,064 INFO L321 Elim1Store]: treesize reduction 226, result has 11.7 percent of original size [2022-12-14 11:54:32,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 1201 treesize of output 667 [2022-12-14 11:54:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,307 INFO L321 Elim1Store]: treesize reduction 426, result has 8.4 percent of original size [2022-12-14 11:54:32,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 24 case distinctions, treesize of input 1215 treesize of output 919 [2022-12-14 11:54:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,387 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-12-14 11:54:32,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-12-14 11:54:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,575 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-12-14 11:54:32,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-12-14 11:54:32,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,928 INFO L321 Elim1Store]: treesize reduction 394, result has 11.9 percent of original size [2022-12-14 11:54:32,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1169 treesize of output 790 [2022-12-14 11:54:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:32,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,103 INFO L321 Elim1Store]: treesize reduction 438, result has 11.5 percent of original size [2022-12-14 11:54:33,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1177 treesize of output 1050 [2022-12-14 11:54:33,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:33,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,233 INFO L321 Elim1Store]: treesize reduction 322, result has 12.3 percent of original size [2022-12-14 11:54:33,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1189 treesize of output 1099 [2022-12-14 11:54:33,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,564 INFO L321 Elim1Store]: treesize reduction 452, result has 12.6 percent of original size [2022-12-14 11:54:33,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1161 treesize of output 786 [2022-12-14 11:54:33,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,914 INFO L321 Elim1Store]: treesize reduction 440, result has 10.0 percent of original size [2022-12-14 11:54:33,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 33 case distinctions, treesize of input 1040 treesize of output 921 [2022-12-14 11:54:33,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:33,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,089 INFO L321 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2022-12-14 11:54:34,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 905 treesize of output 835 [2022-12-14 11:54:34,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,650 INFO L321 Elim1Store]: treesize reduction 430, result has 7.5 percent of original size [2022-12-14 11:54:34,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 15 new quantified variables, introduced 47 case distinctions, treesize of input 1944 treesize of output 1153 [2022-12-14 11:54:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:34,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:35,570 INFO L321 Elim1Store]: treesize reduction 732, result has 10.1 percent of original size [2022-12-14 11:54:35,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 16 new quantified variables, introduced 60 case distinctions, treesize of input 2366 treesize of output 1951 [2022-12-14 11:54:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:35,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:35,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:35,917 INFO L321 Elim1Store]: treesize reduction 812, result has 12.2 percent of original size [2022-12-14 11:54:35,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 2551 treesize of output 2238 [2022-12-14 11:54:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:36,608 INFO L321 Elim1Store]: treesize reduction 808, result has 8.9 percent of original size [2022-12-14 11:54:36,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 2540 treesize of output 2451 [2022-12-14 11:54:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:36,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:36,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:36,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:36,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:37,246 INFO L321 Elim1Store]: treesize reduction 614, result has 7.5 percent of original size [2022-12-14 11:54:37,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 51 case distinctions, treesize of input 2919 treesize of output 1416 [2022-12-14 11:54:37,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:37,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:37,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,374 INFO L321 Elim1Store]: treesize reduction 830, result has 8.5 percent of original size [2022-12-14 11:54:38,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 52 case distinctions, treesize of input 2914 treesize of output 2230 [2022-12-14 11:54:38,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,734 INFO L321 Elim1Store]: treesize reduction 654, result has 7.4 percent of original size [2022-12-14 11:54:38,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 2855 treesize of output 2548 [2022-12-14 11:54:38,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:38,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:39,445 INFO L321 Elim1Store]: treesize reduction 474, result has 8.5 percent of original size [2022-12-14 11:54:39,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 2871 treesize of output 1381 [2022-12-14 11:54:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:39,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:39,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:39,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:40,742 INFO L321 Elim1Store]: treesize reduction 974, result has 5.4 percent of original size [2022-12-14 11:54:40,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 19 new quantified variables, introduced 61 case distinctions, treesize of input 2885 treesize of output 2191 [2022-12-14 11:54:40,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:40,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:40,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:41,191 INFO L321 Elim1Store]: treesize reduction 472, result has 16.3 percent of original size [2022-12-14 11:54:41,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 2790 treesize of output 2527 [2022-12-14 11:54:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:41,968 INFO L321 Elim1Store]: treesize reduction 964, result has 8.8 percent of original size [2022-12-14 11:54:41,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 43 case distinctions, treesize of input 2817 treesize of output 2729 [2022-12-14 11:54:42,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:42,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:42,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:42,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:42,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:42,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:42,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:42,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 11:54:42,338 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:42,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 11:54:42,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 11:54:42,378 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 11:54:42,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 58 [2022-12-14 11:54:42,422 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:54:42,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:54:42,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:42,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 87 [2022-12-14 11:54:42,457 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:54:42,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 99 [2022-12-14 11:54:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:42,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 90 [2022-12-14 11:54:42,515 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:54:42,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:54:42,527 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:42,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 75 [2022-12-14 11:54:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:42,540 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:54:42,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 102 [2022-12-14 11:54:42,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:54:42,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 97 [2022-12-14 11:54:42,587 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:54:42,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 105 [2022-12-14 11:54:42,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:54:42,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 84 [2022-12-14 11:54:42,640 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:42,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2022-12-14 11:54:42,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:42,711 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-12-14 11:54:42,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 71 [2022-12-14 11:54:42,771 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-12-14 11:54:42,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 69 [2022-12-14 11:54:42,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:42,812 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:42,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-12-14 11:54:42,834 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:42,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 203 treesize of output 146 [2022-12-14 11:54:42,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 11:54:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:42,900 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:54:42,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 218 treesize of output 149 [2022-12-14 11:54:42,952 INFO L321 Elim1Store]: treesize reduction 84, result has 30.6 percent of original size [2022-12-14 11:54:42,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 84 [2022-12-14 11:54:43,029 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-12-14 11:54:43,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 81 [2022-12-14 11:54:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,048 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-12-14 11:54:43,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:43,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:43,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 11:54:43,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:54:43,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 11:54:43,170 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 11:54:43,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 11:54:43,208 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:54:43,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:54:43,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-12-14 11:54:43,249 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:54:43,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:43,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:54:43,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-12-14 11:54:43,321 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 11:54:43,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 70 [2022-12-14 11:54:43,392 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:54:43,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:54:43,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,409 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 11:54:43,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:54:43,452 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:54:43,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 74 [2022-12-14 11:54:43,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 84 [2022-12-14 11:54:43,498 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2022-12-14 11:54:43,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:43,564 INFO L321 Elim1Store]: treesize reduction 70, result has 31.4 percent of original size [2022-12-14 11:54:43,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 71 [2022-12-14 11:54:43,619 INFO L321 Elim1Store]: treesize reduction 90, result has 32.8 percent of original size [2022-12-14 11:54:43,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 69 [2022-12-14 11:54:43,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 66 [2022-12-14 11:54:43,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 11:54:43,680 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:54:43,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 207 treesize of output 146 [2022-12-14 11:54:43,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 11:54:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,752 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:43,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-12-14 11:54:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,771 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:54:43,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 222 treesize of output 149 [2022-12-14 11:54:43,833 INFO L321 Elim1Store]: treesize reduction 108, result has 32.9 percent of original size [2022-12-14 11:54:43,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 81 [2022-12-14 11:54:43,848 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:54:43,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 76 [2022-12-14 11:54:43,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:43,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:43,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 11:54:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:54:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:43,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 11:54:44,019 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-12-14 11:54:44,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 11:54:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:44,040 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-12-14 11:54:44,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 11:54:44,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:44,082 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:54:44,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 11:54:44,101 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:44,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:44,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:44,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:44,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:54:44,131 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:54:45,777 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8684#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (not (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~lItem~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (not (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|)) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 1) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (<= |ULTIMATE.start_main_~data~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:54:45,777 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:54:45,777 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:54:45,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-12-14 11:54:45,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573467506] [2022-12-14 11:54:45,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:54:45,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 11:54:45,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:45,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 11:54:45,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1083, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 11:54:45,779 INFO L87 Difference]: Start difference. First operand 132 states and 175 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:46,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:46,026 INFO L93 Difference]: Finished difference Result 148 states and 174 transitions. [2022-12-14 11:54:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:54:46,026 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-14 11:54:46,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:46,027 INFO L225 Difference]: With dead ends: 148 [2022-12-14 11:54:46,027 INFO L226 Difference]: Without dead ends: 148 [2022-12-14 11:54:46,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=354, Invalid=1626, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 11:54:46,027 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 313 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:46,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 229 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:54:46,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-12-14 11:54:46,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 132. [2022-12-14 11:54:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.851063829787234) internal successors, (174), 131 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 174 transitions. [2022-12-14 11:54:46,029 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 174 transitions. Word has length 30 [2022-12-14 11:54:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:46,029 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 174 transitions. [2022-12-14 11:54:46,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:54:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2022-12-14 11:54:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 11:54:46,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:46,030 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:46,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 11:54:46,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-14 11:54:46,231 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:54:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719134, now seen corresponding path program 1 times [2022-12-14 11:54:46,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:46,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119274664] [2022-12-14 11:54:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:46,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:46,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119274664] [2022-12-14 11:54:46,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119274664] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:46,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887639002] [2022-12-14 11:54:46,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:46,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:46,740 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 11:54:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:46,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 11:54:46,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:46,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:54:46,852 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:54:46,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:54:46,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:54:46,944 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 11:54:46,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:54:46,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-12-14 11:54:47,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-12-14 11:54:47,037 INFO L321 Elim1Store]: treesize reduction 66, result has 35.3 percent of original size [2022-12-14 11:54:47,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:54:47,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2022-12-14 11:54:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:47,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2022-12-14 11:54:47,341 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:54:47,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 55 [2022-12-14 11:54:47,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:54:47,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:47,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 32 [2022-12-14 11:54:47,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 11:54:47,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 11:54:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:54:47,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:54:48,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 11:54:48,409 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) (.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|)))) (let ((.cse0 (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int))) (= (let ((.cse5 (select (store .cse4 |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (select (store |c_#valid| (select .cse5 |c_ULTIMATE.start_main_~data~0#1.offset|) v_ArrVal_1375) (select .cse5 .cse3))) 1)))) (and (or (< |c_ULTIMATE.start_main_~data~0#1.offset| 1) .cse0) (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int))) (let ((.cse2 (select (store .cse4 |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~data~0#1.offset|))) (or (= (select (store |c_#valid| .cse1 v_ArrVal_1375) (select .cse2 .cse3)) 1) (= .cse1 |c_ULTIMATE.start_main_~data~0#1.base|))))) (or (< 0 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 1)) .cse0)))) is different from false [2022-12-14 11:54:48,429 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4))) (let ((.cse4 (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int)) (v_ArrVal_1371 (Array Int Int))) (= (let ((.cse5 (select (store (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1371))) (store .cse6 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (select (store |c_#valid| (select .cse5 |c_ULTIMATE.start_main_~data~0#1.offset|) v_ArrVal_1375) (select .cse5 .cse2))) 1)))) (and (forall ((v_ArrVal_1375 Int) (v_ArrVal_1374 (Array Int Int)) (v_ArrVal_1371 (Array Int Int))) (let ((.cse1 (select (store (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1371))) (store .cse3 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| |c_ULTIMATE.start_main_~lItem~0#1.base|))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_1374) |c_ULTIMATE.start_main_~data~0#1.base|))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~data~0#1.offset|))) (or (= .cse0 |c_ULTIMATE.start_main_~data~0#1.base|) (= (select (store |c_#valid| .cse0 v_ArrVal_1375) (select .cse1 .cse2)) 1))))) (or (< 0 (+ |c_ULTIMATE.start_main_~data~0#1.offset| 1)) .cse4) (or (< |c_ULTIMATE.start_main_~data~0#1.offset| 1) .cse4)))) is different from false [2022-12-14 11:54:49,287 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:49,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 81 [2022-12-14 11:54:49,300 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:49,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 222 treesize of output 221 [2022-12-14 11:54:49,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 182 [2022-12-14 11:54:49,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 174 [2022-12-14 11:54:49,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2022-12-14 11:54:49,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:49,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 111 [2022-12-14 11:54:49,942 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:54:49,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 246 [2022-12-14 11:54:49,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 203 [2022-12-14 11:54:49,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 174 [2022-12-14 11:54:49,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2022-12-14 11:55:21,010 WARN L233 SmtUtils]: Spent 29.28s on a formula simplification. DAG size of input: 220 DAG size of output: 68 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:55:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:21,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887639002] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:55:21,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [955226040] [2022-12-14 11:55:21,958 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 11:55:21,958 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:55:21,959 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:55:21,959 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:55:21,959 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:55:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:21,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 11:55:21,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 11:55:22,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 11:55:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:55:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:55:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 11:55:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 11:55:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:55:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:55:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:55:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:55:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:55:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:55:22,250 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:55:22,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:55:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:55:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,336 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:55:22,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:55:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:55:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:55:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:55:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 11:55:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:55:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:55:22,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 11:55:22,585 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 11:55:22,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 11:55:22,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 11:55:22,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,658 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:55:22,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 11:55:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 11:55:22,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 11:55:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 11:55:22,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,852 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 11:55:22,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-12-14 11:55:22,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:22,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,886 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:55:22,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 11:55:22,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:22,936 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-12-14 11:55:22,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-12-14 11:55:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,048 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 11:55:23,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-12-14 11:55:23,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,082 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:55:23,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 11:55:23,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,132 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-12-14 11:55:23,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-12-14 11:55:23,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,225 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 11:55:23,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 11:55:23,337 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 11:55:23,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 11:55:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:23,398 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 11:55:23,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 11:55:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,622 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 11:55:23,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 11:55:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,817 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 11:55:23,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 11:55:23,949 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 11:55:23,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 11:55:23,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:23,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,009 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:55:24,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 11:55:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,263 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 11:55:24,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 11:55:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,551 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 11:55:24,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 11:55:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,815 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 11:55:24,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 11:55:24,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:24,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:24,940 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 11:55:24,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 11:55:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,059 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 11:55:25,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 11:55:25,173 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 11:55:25,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 11:55:25,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,232 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 11:55:25,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 11:55:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,458 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 11:55:25,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 11:55:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,612 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 11:55:25,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 11:55:25,734 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 11:55:25,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 11:55:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,789 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 11:55:25,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 11:55:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:25,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,042 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 11:55:26,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 11:55:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,343 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 11:55:26,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 11:55:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:26,475 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 11:55:26,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 11:55:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,699 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 11:55:26,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 11:55:26,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:26,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:26,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:26,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:26,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:26,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:26,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 11:55:26,865 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 11:55:26,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 11:55:26,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 11:55:26,909 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 11:55:26,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 58 [2022-12-14 11:55:26,959 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:26,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:26,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:26,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 73 [2022-12-14 11:55:26,990 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:55:26,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 77 [2022-12-14 11:55:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 76 [2022-12-14 11:55:27,044 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 11:55:27,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 82 [2022-12-14 11:55:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,053 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:55:27,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 64 [2022-12-14 11:55:27,102 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:55:27,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:55:27,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:55:27,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:55:27,146 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 11:55:27,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 105 [2022-12-14 11:55:27,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 97 [2022-12-14 11:55:27,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 11:55:27,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:55:27,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 11:55:27,217 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 11:55:27,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 11:55:27,253 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:27,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:27,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:27,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-12-14 11:55:27,290 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:27,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:55:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-12-14 11:55:27,357 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 11:55:27,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 70 [2022-12-14 11:55:27,413 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:55:27,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:55:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,425 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:27,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 11:55:27,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:55:27,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:27,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:27,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:27,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:27,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:27,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:27,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 11:55:27,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 11:55:27,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:55:27,532 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 11:55:27,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 11:55:27,580 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:27,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:27,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:27,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 64 [2022-12-14 11:55:27,611 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:27,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 11:55:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 67 [2022-12-14 11:55:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,642 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:27,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 11:55:27,683 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 11:55:27,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 11:55:27,695 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 11:55:27,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2022-12-14 11:55:27,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:55:27,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 11:55:27,742 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:27,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 11:55:27,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 68 [2022-12-14 11:55:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,802 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:55:27,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 219 treesize of output 224 [2022-12-14 11:55:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,819 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 11:55:27,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 285 treesize of output 290 [2022-12-14 11:55:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:27,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:27,847 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-12-14 11:55:27,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 333 treesize of output 315 [2022-12-14 11:55:28,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,073 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-12-14 11:55:28,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 11:55:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,100 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-12-14 11:55:28,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 11:55:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 11:55:28,265 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-12-14 11:55:28,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 598 treesize of output 618 [2022-12-14 11:55:28,550 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:28,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 212 treesize of output 219 [2022-12-14 11:55:28,613 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:28,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:28,703 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 11:55:28,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:28,745 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 11:55:28,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 11:55:28,784 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 11:55:28,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 11:55:28,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:28,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:28,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:28,886 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:55:28,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 11:55:28,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:55:28,908 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:55:28,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:55:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:55:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:28,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 11:55:28,955 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:55:32,144 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9238#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 11:55:32,144 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:55:32,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:55:32,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 18] total 43 [2022-12-14 11:55:32,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158733353] [2022-12-14 11:55:32,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:55:32,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-14 11:55:32,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:55:32,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-14 11:55:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=3898, Unknown=6, NotChecked=258, Total=4556 [2022-12-14 11:55:32,146 INFO L87 Difference]: Start difference. First operand 132 states and 174 transitions. Second operand has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:35,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:55:35,612 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2022-12-14 11:55:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-14 11:55:35,613 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 11:55:35,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:55:35,613 INFO L225 Difference]: With dead ends: 322 [2022-12-14 11:55:35,613 INFO L226 Difference]: Without dead ends: 322 [2022-12-14 11:55:35,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 90 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3000 ImplicationChecksByTransitivity, 36.8s TimeCoverageRelationStatistics Valid=912, Invalid=7100, Unknown=6, NotChecked=354, Total=8372 [2022-12-14 11:55:35,615 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 788 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 290 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 11:55:35,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 849 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1808 Invalid, 0 Unknown, 290 Unchecked, 1.9s Time] [2022-12-14 11:55:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-12-14 11:55:35,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 130. [2022-12-14 11:55:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 92 states have (on average 1.8369565217391304) internal successors, (169), 129 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 169 transitions. [2022-12-14 11:55:35,617 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 169 transitions. Word has length 33 [2022-12-14 11:55:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:55:35,617 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 169 transitions. [2022-12-14 11:55:35,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 44 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:55:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2022-12-14 11:55:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 11:55:35,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:55:35,617 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:55:35,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 11:55:35,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-14 11:55:35,819 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 11:55:35,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:55:35,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1325719135, now seen corresponding path program 1 times [2022-12-14 11:55:35,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:55:35,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499445317] [2022-12-14 11:55:35,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:35,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:55:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:36,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:55:36,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499445317] [2022-12-14 11:55:36,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499445317] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:55:36,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407220904] [2022-12-14 11:55:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:55:36,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:55:36,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:55:36,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:55:36,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 11:55:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:55:36,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-14 11:55:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:55:36,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:36,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:36,675 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:55:36,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 11:55:36,700 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 11:55:36,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 11:55:36,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:36,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 11:55:36,826 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 11:55:36,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 11:55:36,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 11:55:36,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 11:55:36,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:55:36,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:55:36,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:36,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 11:55:36,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-12-14 11:55:36,939 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-12-14 11:55:36,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-12-14 11:55:37,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 11:55:37,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-12-14 11:55:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2022-12-14 11:55:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 11:55:37,127 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:55:37,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 58 [2022-12-14 11:55:37,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 11:55:37,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 31 [2022-12-14 11:55:37,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:37,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2022-12-14 11:55:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:55:37,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:55:39,810 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:39,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 309 treesize of output 279 [2022-12-14 11:55:39,841 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:39,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1855 treesize of output 1854 [2022-12-14 11:55:39,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:39,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2031 treesize of output 1321 [2022-12-14 11:55:39,897 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:39,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15545 treesize of output 15415 [2022-12-14 11:55:39,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14315 treesize of output 13547 [2022-12-14 11:55:40,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17695 treesize of output 16895 [2022-12-14 11:55:40,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17187 treesize of output 16995 [2022-12-14 11:55:40,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4626 treesize of output 4442 [2022-12-14 11:55:40,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8886 treesize of output 8518 [2022-12-14 11:55:40,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:57:34,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:57:34,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8147 treesize of output 8147 [2022-12-14 11:59:25,949 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:59:25,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 143 [2022-12-14 11:59:25,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 896 treesize of output 890 [2022-12-14 11:59:25,977 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:59:25,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1177 treesize of output 747 [2022-12-14 11:59:26,007 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:59:26,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3863 treesize of output 3843 [2022-12-14 11:59:26,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2966 treesize of output 2838 [2022-12-14 11:59:26,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4373 treesize of output 4253 [2022-12-14 11:59:26,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4095 treesize of output 4083 [2022-12-14 11:59:26,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-14 11:59:26,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:59:26,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4086 treesize of output 4082 [2022-12-14 12:00:56,460 WARN L233 SmtUtils]: Spent 34.05s on a formula simplification. DAG size of input: 278 DAG size of output: 60 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:00:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:00:57,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407220904] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:00:57,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1392406065] [2022-12-14 12:00:57,342 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 12:00:57,342 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:00:57,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:00:57,342 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:00:57,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:00:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:00:57,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:00:57,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:00:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:00:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:00:57,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 12:00:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:00:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:00:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 12:00:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:00:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:00:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:00:57,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:00:57,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:00:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:00:57,585 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:00:57,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:00:57,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:00:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:00:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:57,659 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:00:57,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:00:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:00:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:00:57,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:00:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:00:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:00:57,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:00:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:00:57,893 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:00:57,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:00:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:00:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:00:57,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:57,968 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:00:57,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:00:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:57,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:00:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:00:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:00:58,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,159 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 12:00:58,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 409 [2022-12-14 12:00:58,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,191 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:00:58,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 450 treesize of output 413 [2022-12-14 12:00:58,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,236 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-12-14 12:00:58,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 450 [2022-12-14 12:00:58,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,347 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-12-14 12:00:58,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 453 [2022-12-14 12:00:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,405 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 12:00:58,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 412 [2022-12-14 12:00:58,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,437 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:00:58,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 450 treesize of output 413 [2022-12-14 12:00:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,529 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:00:58,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-12-14 12:00:58,625 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:00:58,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-12-14 12:00:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:58,683 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:00:58,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 958 treesize of output 813 [2022-12-14 12:00:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:58,923 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:00:58,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-12-14 12:00:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,114 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:00:59,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-12-14 12:00:59,226 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:00:59,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-12-14 12:00:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:59,281 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:00:59,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-12-14 12:00:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,508 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:00:59,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-12-14 12:00:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:00:59,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:00:59,833 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:00:59,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-12-14 12:00:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,090 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:01:00,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-12-14 12:01:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,196 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:01:00,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-12-14 12:01:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,328 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:01:00,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-12-14 12:01:00,418 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:01:00,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-12-14 12:01:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:00,471 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:01:00,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 958 treesize of output 813 [2022-12-14 12:01:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,708 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:01:00,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-12-14 12:01:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:00,877 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:01:00,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-12-14 12:01:01,008 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:01:01,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-12-14 12:01:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:01,066 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:01:01,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-12-14 12:01:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,313 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:01:01,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-12-14 12:01:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:01,575 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:01:01,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-12-14 12:01:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:01,677 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:01:01,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-12-14 12:01:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:01,916 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:01:01,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-12-14 12:01:02,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:01:02,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:01:02,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:01:02,121 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:01:02,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:01:02,173 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:02,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:02,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 69 [2022-12-14 12:01:02,206 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,234 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 72 [2022-12-14 12:01:02,284 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:01:02,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 75 [2022-12-14 12:01:02,344 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:02,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:02,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:02,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:01:02,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 74 [2022-12-14 12:01:02,404 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:02,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:01:02,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:01:02,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:01:02,469 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:01:02,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:01:02,523 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:02,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:02,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-12-14 12:01:02,562 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-12-14 12:01:02,638 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:02,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:02,651 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:02,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-12-14 12:01:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,668 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:02,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:02,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:02,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:01:02,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:01:02,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:01:02,798 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:01:02,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:01:02,847 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:02,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:02,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 12:01:02,877 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:02,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:02,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,920 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:02,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:02,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 72 [2022-12-14 12:01:02,972 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:02,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:02,986 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:02,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2022-12-14 12:01:03,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 74 [2022-12-14 12:01:03,028 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:03,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:03,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:01:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:03,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:03,091 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:01:03,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 212 treesize of output 217 [2022-12-14 12:01:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:03,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:03,112 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:01:03,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 248 treesize of output 253 [2022-12-14 12:01:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,145 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-12-14 12:01:03,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 314 treesize of output 296 [2022-12-14 12:01:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,373 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-12-14 12:01:03,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 12:01:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,416 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-12-14 12:01:03,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 12:01:03,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:03,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:01:03,594 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-12-14 12:01:03,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 636 treesize of output 668 [2022-12-14 12:01:04,206 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:04,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:04,228 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,311 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:04,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 181 [2022-12-14 12:01:04,377 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,411 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,460 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,496 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,561 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,596 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,645 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,680 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,722 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,775 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:04,899 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:04,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:04,944 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:04,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:05,106 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:05,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:05,160 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:05,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:05,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:05,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:05,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:05,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:05,326 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:05,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:05,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:01:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:05,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:05,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:05,384 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:01:09,213 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10001#(and (or (not (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 12:01:09,213 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:01:09,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:09,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 40 [2022-12-14 12:01:09,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507135646] [2022-12-14 12:01:09,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:01:09,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-12-14 12:01:09,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:09,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-12-14 12:01:09,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=3752, Unknown=3, NotChecked=0, Total=4160 [2022-12-14 12:01:09,215 INFO L87 Difference]: Start difference. First operand 130 states and 169 transitions. Second operand has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:10,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:01:12,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:01:21,302 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 113 DAG size of output: 109 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:01:34,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-14 12:01:41,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-14 12:01:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:43,755 INFO L93 Difference]: Finished difference Result 273 states and 334 transitions. [2022-12-14 12:01:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 12:01:43,756 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 12:01:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:43,757 INFO L225 Difference]: With dead ends: 273 [2022-12-14 12:01:43,757 INFO L226 Difference]: Without dead ends: 273 [2022-12-14 12:01:43,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2729 ImplicationChecksByTransitivity, 61.7s TimeCoverageRelationStatistics Valid=1067, Invalid=6934, Unknown=9, NotChecked=0, Total=8010 [2022-12-14 12:01:43,758 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1048 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 90 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:43,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 472 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1784 Invalid, 6 Unknown, 0 Unchecked, 14.0s Time] [2022-12-14 12:01:43,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-12-14 12:01:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 139. [2022-12-14 12:01:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 101 states have (on average 1.8514851485148516) internal successors, (187), 138 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 187 transitions. [2022-12-14 12:01:43,760 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 187 transitions. Word has length 33 [2022-12-14 12:01:43,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:43,760 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 187 transitions. [2022-12-14 12:01:43,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.275) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 187 transitions. [2022-12-14 12:01:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 12:01:43,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:43,761 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:43,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-14 12:01:43,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-14 12:01:43,962 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 12:01:43,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:43,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1852266170, now seen corresponding path program 1 times [2022-12-14 12:01:43,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:43,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200974435] [2022-12-14 12:01:43,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:43,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:44,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:44,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200974435] [2022-12-14 12:01:44,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200974435] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:44,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483436692] [2022-12-14 12:01:44,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:44,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:44,156 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:44,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 12:01:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 12:01:44,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:44,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-12-14 12:01:44,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-14 12:01:44,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 12:01:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:44,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:44,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-14 12:01:44,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-14 12:01:44,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 12:01:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:44,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483436692] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:01:44,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [83525503] [2022-12-14 12:01:44,680 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 12:01:44,680 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:01:44,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:01:44,680 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:01:44,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:01:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:01:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:01:44,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:44,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 12:01:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:01:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:01:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:01:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 12:01:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:01:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:01:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:01:44,941 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:01:44,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:01:44,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:01:44,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:44,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,015 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:01:45,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:01:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:01:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:01:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:01:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:01:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:01:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:01:45,224 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:01:45,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:01:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:01:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,301 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:01:45,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:01:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:01:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:01:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:01:45,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,493 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 12:01:45,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-12-14 12:01:45,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,546 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-12-14 12:01:45,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-12-14 12:01:45,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,578 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:01:45,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 12:01:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,686 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 12:01:45,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-12-14 12:01:45,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,721 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:01:45,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 12:01:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,773 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-12-14 12:01:45,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-12-14 12:01:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,864 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:01:45,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 12:01:45,971 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:01:45,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 12:01:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:45,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:46,031 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:01:46,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 12:01:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,267 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:01:46,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 12:01:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,435 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:01:46,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 12:01:46,595 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:01:46,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 12:01:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:46,662 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:01:46,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 12:01:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,936 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:01:46,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 12:01:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:46,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,252 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:01:47,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 12:01:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,561 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:01:47,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 12:01:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,688 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:01:47,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 12:01:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,823 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:01:47,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 12:01:47,933 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:01:47,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 12:01:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:47,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:47,997 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:01:47,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 12:01:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,246 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:01:48,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 12:01:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,449 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:01:48,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 12:01:48,691 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:01:48,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 12:01:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:48,758 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:01:48,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 12:01:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:48,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:48,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,012 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:01:49,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 12:01:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:49,205 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:01:49,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 12:01:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:49,349 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:01:49,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 12:01:49,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,619 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:01:49,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 12:01:49,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:49,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:49,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:49,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:49,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:49,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:01:49,798 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:01:49,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:01:49,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:01:49,845 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:49,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:49,856 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:49,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 12:01:49,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2022-12-14 12:01:49,882 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:49,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:49,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:49,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 12:01:49,958 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:49,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:49,970 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:49,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-12-14 12:01:49,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:49,983 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:49,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:49,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:50,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:01:50,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2022-12-14 12:01:50,035 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:50,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:01:50,067 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:01:50,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:01:50,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 12:01:50,116 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:50,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:50,128 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:50,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-12-14 12:01:50,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:50,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 48 [2022-12-14 12:01:50,159 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:01:50,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 48 [2022-12-14 12:01:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 12:01:50,225 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:50,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,237 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:50,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:50,249 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:50,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 41 [2022-12-14 12:01:50,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:50,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:50,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:50,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:50,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:50,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:50,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:50,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:01:50,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:01:50,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:01:50,379 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:01:50,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:01:50,432 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:50,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:50,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:50,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-12-14 12:01:50,480 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:50,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:01:50,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-12-14 12:01:50,566 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:01:50,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:01:50,581 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:01:50,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-12-14 12:01:50,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,600 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:50,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:01:50,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:50,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:01:50,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 69 [2022-12-14 12:01:50,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:01:50,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,720 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 12:01:50,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 213 [2022-12-14 12:01:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:50,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:50,742 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:01:50,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 212 [2022-12-14 12:01:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:50,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:01:50,763 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 12:01:50,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 261 treesize of output 266 [2022-12-14 12:01:50,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:50,987 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-12-14 12:01:50,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 12:01:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:51,022 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-12-14 12:01:51,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 12:01:51,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:51,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:01:51,211 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-12-14 12:01:51,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 598 treesize of output 618 [2022-12-14 12:01:51,460 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:01:51,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:01:51,519 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:01:51,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:01:51,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:51,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:51,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:01:51,609 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:01:51,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 12:01:51,629 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:51,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:51,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:51,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:01:51,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:01:51,679 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:01:54,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [83525503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:01:54,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:01:54,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [9, 10, 10] total 44 [2022-12-14 12:01:54,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753972425] [2022-12-14 12:01:54,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:01:54,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 12:01:54,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:01:54,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 12:01:54,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=1645, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 12:01:54,321 INFO L87 Difference]: Start difference. First operand 139 states and 187 transitions. Second operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:01:55,703 INFO L93 Difference]: Finished difference Result 171 states and 207 transitions. [2022-12-14 12:01:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 12:01:55,704 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 12:01:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:01:55,704 INFO L225 Difference]: With dead ends: 171 [2022-12-14 12:01:55,704 INFO L226 Difference]: Without dead ends: 171 [2022-12-14 12:01:55,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=459, Invalid=2403, Unknown=0, NotChecked=0, Total=2862 [2022-12-14 12:01:55,706 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 128 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:01:55,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 199 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:01:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-12-14 12:01:55,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2022-12-14 12:01:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.8288288288288288) internal successors, (203), 148 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 203 transitions. [2022-12-14 12:01:55,709 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 203 transitions. Word has length 34 [2022-12-14 12:01:55,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:01:55,709 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 203 transitions. [2022-12-14 12:01:55,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:01:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2022-12-14 12:01:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 12:01:55,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:01:55,709 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:01:55,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 12:01:55,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-14 12:01:55,911 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 12:01:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:01:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379725, now seen corresponding path program 1 times [2022-12-14 12:01:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:01:55,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397884739] [2022-12-14 12:01:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:01:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:56,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:01:56,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397884739] [2022-12-14 12:01:56,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397884739] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:01:56,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277299261] [2022-12-14 12:01:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:01:56,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:01:56,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:01:56,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:01:56,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 12:01:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:01:56,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-14 12:01:56,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:01:56,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:01:56,593 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:01:56,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:01:56,642 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:01:56,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-14 12:01:56,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:01:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:56,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-12-14 12:01:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:01:57,017 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-12-14 12:01:57,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 39 [2022-12-14 12:01:57,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-12-14 12:01:57,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:01:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:01:57,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:01:57,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-12-14 12:01:57,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:01:57,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 650 treesize of output 642 [2022-12-14 12:02:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:00,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277299261] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:02:00,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1347130437] [2022-12-14 12:02:00,336 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 12:02:00,336 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:02:00,336 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:02:00,336 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:02:00,336 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:02:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:02:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:02:00,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:00,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 12:02:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:02:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 12:02:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:02:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:02:00,599 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:00,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:02:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:00,680 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:00,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:02:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:02:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:02:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:02:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:02:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:02:00,908 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:00,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:02:00,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:00,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:00,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:00,987 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:00,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:02:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:02:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:02:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:02:01,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,177 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 12:02:01,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 416 [2022-12-14 12:02:01,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,221 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:01,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 12:02:01,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,273 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-12-14 12:02:01,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 457 treesize of output 457 [2022-12-14 12:02:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,375 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:01,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 457 treesize of output 420 [2022-12-14 12:02:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,425 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 12:02:01,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 419 [2022-12-14 12:02:01,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,475 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-12-14 12:02:01,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 464 treesize of output 460 [2022-12-14 12:02:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,559 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:02:01,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 12:02:01,646 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:02:01,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 12:02:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:01,705 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:02:01,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 12:02:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:01,921 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:02:01,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 12:02:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,102 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:02:02,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 12:02:02,340 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:02:02,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 12:02:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:02,405 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:02,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 12:02:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,637 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:02:02,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 12:02:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:02,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:02,819 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:02:02,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 12:02:02,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,109 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:02:03,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 12:02:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,230 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:02:03,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 12:02:03,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,342 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:02:03,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 619 treesize of output 508 [2022-12-14 12:02:03,526 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:02:03,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 957 treesize of output 835 [2022-12-14 12:02:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:03,588 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:02:03,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 993 treesize of output 848 [2022-12-14 12:02:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:03,818 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:02:03,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 982 treesize of output 949 [2022-12-14 12:02:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,004 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:02:04,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1249 treesize of output 745 [2022-12-14 12:02:04,144 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:02:04,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1256 treesize of output 940 [2022-12-14 12:02:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:04,196 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:04,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1111 treesize of output 990 [2022-12-14 12:02:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,444 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:02:04,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1264 treesize of output 748 [2022-12-14 12:02:04,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:04,678 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:02:04,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1271 treesize of output 943 [2022-12-14 12:02:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:04,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:04,818 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:02:04,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1109 treesize of output 999 [2022-12-14 12:02:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,062 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:02:05,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1136 treesize of output 1104 [2022-12-14 12:02:05,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:02:05,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:02:05,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:05,274 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:05,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:05,318 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:05,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:05,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 69 [2022-12-14 12:02:05,351 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:05,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:05,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 72 [2022-12-14 12:02:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,390 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:05,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:05,441 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:05,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:05,453 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:02:05,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 63 [2022-12-14 12:02:05,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:05,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 74 [2022-12-14 12:02:05,504 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:05,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:05,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:02:05,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:02:05,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:05,569 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:05,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:05,613 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:05,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:05,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:05,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:05,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-12-14 12:02:05,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 51 [2022-12-14 12:02:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,675 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:05,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:05,711 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:02:05,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-12-14 12:02:05,770 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:05,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:05,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:05,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:05,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:02:05,846 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:05,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:02:05,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 12:02:05,896 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:05,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 58 [2022-12-14 12:02:05,947 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:05,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:05,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:05,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 76 [2022-12-14 12:02:05,980 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:02:05,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 48 [2022-12-14 12:02:05,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 79 [2022-12-14 12:02:06,058 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:02:06,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2022-12-14 12:02:06,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,072 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:02:06,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 45 [2022-12-14 12:02:06,142 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:06,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:06,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:06,178 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:06,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:06,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 68 [2022-12-14 12:02:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,247 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 12:02:06,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 213 [2022-12-14 12:02:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:06,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:06,265 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:02:06,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 212 [2022-12-14 12:02:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:06,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:06,284 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 12:02:06,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 261 treesize of output 266 [2022-12-14 12:02:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,468 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-12-14 12:02:06,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 12:02:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,493 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-12-14 12:02:06,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 12:02:06,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:06,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:02:06,668 INFO L321 Elim1Store]: treesize reduction 166, result has 33.1 percent of original size [2022-12-14 12:02:06,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 644 treesize of output 660 [2022-12-14 12:02:07,474 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:07,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:07,508 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,545 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,586 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,620 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,648 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,684 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,716 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,815 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:07,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 151 [2022-12-14 12:02:07,847 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 287 treesize of output 1 [2022-12-14 12:02:07,901 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,947 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:07,989 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:07,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:08,007 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:08,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:08,085 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:08,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:08,103 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:08,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:08,170 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:08,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:08,184 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:08,230 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:08,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:08,268 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:08,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 1 [2022-12-14 12:02:08,359 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:08,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 449 treesize of output 424 [2022-12-14 12:02:08,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:08,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:08,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:08,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:08,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:08,523 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:08,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:02:08,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:02:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:08,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:08,566 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:02:12,160 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11305#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (not (= (select |#valid| |ULTIMATE.start_main_~item2~0#1.base|) 1)) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (= |#NULL.base| 0))' at error location [2022-12-14 12:02:12,160 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:02:12,160 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:02:12,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 15] total 36 [2022-12-14 12:02:12,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076896073] [2022-12-14 12:02:12,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:02:12,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-14 12:02:12,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:02:12,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-14 12:02:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=3370, Unknown=0, NotChecked=0, Total=3782 [2022-12-14 12:02:12,162 INFO L87 Difference]: Start difference. First operand 149 states and 203 transitions. Second operand has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:14,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:02:14,982 INFO L93 Difference]: Finished difference Result 278 states and 318 transitions. [2022-12-14 12:02:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-12-14 12:02:14,983 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 12:02:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:02:14,984 INFO L225 Difference]: With dead ends: 278 [2022-12-14 12:02:14,984 INFO L226 Difference]: Without dead ends: 278 [2022-12-14 12:02:14,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3246 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=887, Invalid=8043, Unknown=0, NotChecked=0, Total=8930 [2022-12-14 12:02:14,986 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 427 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:02:14,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 436 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 12:02:14,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-12-14 12:02:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 149. [2022-12-14 12:02:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.8198198198198199) internal successors, (202), 148 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 202 transitions. [2022-12-14 12:02:14,988 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 202 transitions. Word has length 34 [2022-12-14 12:02:14,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:02:14,988 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 202 transitions. [2022-12-14 12:02:14,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2022-12-14 12:02:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 12:02:14,988 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:02:14,988 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:02:14,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 12:02:15,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:02:15,190 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 12:02:15,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:02:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379724, now seen corresponding path program 1 times [2022-12-14 12:02:15,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:02:15,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898230181] [2022-12-14 12:02:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:02:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:15,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:02:15,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898230181] [2022-12-14 12:02:15,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898230181] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:02:15,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101686740] [2022-12-14 12:02:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:15,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:02:15,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:02:15,946 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:02:15,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 12:02:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:16,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 12:02:16,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:02:16,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:02:16,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:02:16,120 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:16,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:02:16,172 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:02:16,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 12:02:16,191 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 12:02:16,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 12:02:16,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:16,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2022-12-14 12:02:16,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-12-14 12:02:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:16,530 INFO L321 Elim1Store]: treesize reduction 19, result has 38.7 percent of original size [2022-12-14 12:02:16,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 56 [2022-12-14 12:02:16,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:16,699 INFO L321 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2022-12-14 12:02:16,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 118 [2022-12-14 12:02:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:16,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:02:17,390 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:17,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 578 treesize of output 526 [2022-12-14 12:02:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:20,534 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:20,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 258 treesize of output 254 [2022-12-14 12:02:20,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:20,857 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:02:20,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 280 treesize of output 1 [2022-12-14 12:02:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:20,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:20,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-12-14 12:02:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:20,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 271 [2022-12-14 12:02:30,427 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:02:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:30,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101686740] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:02:30,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [225887509] [2022-12-14 12:02:30,623 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 12:02:30,623 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:02:30,623 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:02:30,623 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:02:30,623 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:02:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:02:30,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:30,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:02:30,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:02:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 12:02:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 12:02:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:02:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:02:30,897 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:30,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:02:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:30,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:30,981 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:30,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:02:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:02:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:02:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:02:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:02:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2022-12-14 12:02:31,201 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:31,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 109 [2022-12-14 12:02:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2022-12-14 12:02:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,282 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:31,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 129 [2022-12-14 12:02:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 12:02:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-12-14 12:02:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 55 [2022-12-14 12:02:31,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,473 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:31,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 450 treesize of output 413 [2022-12-14 12:02:31,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,534 INFO L321 Elim1Store]: treesize reduction 92, result has 22.0 percent of original size [2022-12-14 12:02:31,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 450 [2022-12-14 12:02:31,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,578 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 12:02:31,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 450 treesize of output 409 [2022-12-14 12:02:31,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,679 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 12:02:31,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 412 [2022-12-14 12:02:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,729 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-12-14 12:02:31,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 457 treesize of output 453 [2022-12-14 12:02:31,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,768 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:31,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 450 treesize of output 413 [2022-12-14 12:02:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,860 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:02:31,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-12-14 12:02:31,963 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:02:31,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-12-14 12:02:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:31,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:32,019 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:02:32,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 958 treesize of output 813 [2022-12-14 12:02:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,257 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:02:32,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-12-14 12:02:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,461 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:02:32,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-12-14 12:02:32,613 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:02:32,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-12-14 12:02:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:32,673 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:32,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-12-14 12:02:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:32,977 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:02:32,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-12-14 12:02:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,285 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:02:33,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-12-14 12:02:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,429 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:02:33,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-12-14 12:02:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,701 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:02:33,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-12-14 12:02:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,826 INFO L321 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2022-12-14 12:02:33,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 612 treesize of output 501 [2022-12-14 12:02:33,943 INFO L321 Elim1Store]: treesize reduction 292, result has 13.1 percent of original size [2022-12-14 12:02:33,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 936 treesize of output 818 [2022-12-14 12:02:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:33,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:34,008 INFO L321 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2022-12-14 12:02:34,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 958 treesize of output 813 [2022-12-14 12:02:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,251 INFO L321 Elim1Store]: treesize reduction 332, result has 10.5 percent of original size [2022-12-14 12:02:34,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 947 treesize of output 930 [2022-12-14 12:02:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,420 INFO L321 Elim1Store]: treesize reduction 272, result has 10.8 percent of original size [2022-12-14 12:02:34,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1214 treesize of output 728 [2022-12-14 12:02:34,578 INFO L321 Elim1Store]: treesize reduction 356, result has 11.9 percent of original size [2022-12-14 12:02:34,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1221 treesize of output 923 [2022-12-14 12:02:34,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:34,642 INFO L321 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2022-12-14 12:02:34,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1076 treesize of output 955 [2022-12-14 12:02:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,937 INFO L321 Elim1Store]: treesize reduction 400, result has 10.3 percent of original size [2022-12-14 12:02:34,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1229 treesize of output 731 [2022-12-14 12:02:34,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:34,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:35,243 INFO L321 Elim1Store]: treesize reduction 458, result has 8.8 percent of original size [2022-12-14 12:02:35,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 26 case distinctions, treesize of input 1236 treesize of output 926 [2022-12-14 12:02:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:35,523 INFO L321 Elim1Store]: treesize reduction 442, result has 10.7 percent of original size [2022-12-14 12:02:35,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1101 treesize of output 1085 [2022-12-14 12:02:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:35,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:35,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:35,644 INFO L321 Elim1Store]: treesize reduction 128, result has 27.7 percent of original size [2022-12-14 12:02:35,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1074 treesize of output 964 [2022-12-14 12:02:35,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:35,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:35,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:35,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:35,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:35,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:35,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:02:35,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:35,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:02:35,871 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:35,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:35,925 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:35,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:35,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:35,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-12-14 12:02:35,960 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:35,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:35,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 58 [2022-12-14 12:02:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:35,997 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:35,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:36,050 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:36,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:36,061 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:02:36,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2022-12-14 12:02:36,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:36,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:36,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 69 [2022-12-14 12:02:36,123 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:02:36,151 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:36,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:02:36,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:36,189 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:36,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:36,198 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:02:36,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 28 [2022-12-14 12:02:36,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2022-12-14 12:02:36,221 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:36,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 12:02:36,287 INFO L321 Elim1Store]: treesize reduction 42, result has 51.2 percent of original size [2022-12-14 12:02:36,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 65 [2022-12-14 12:02:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,310 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:36,357 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:36,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:36,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:36,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:36,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:36,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:36,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:36,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:36,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:36,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:02:36,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:36,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:02:36,468 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:36,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:36,514 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:36,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:36,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:36,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-12-14 12:02:36,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:36,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 51 [2022-12-14 12:02:36,616 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:02:36,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-12-14 12:02:36,681 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:36,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,695 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:36,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 62 [2022-12-14 12:02:36,727 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:36,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:36,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,790 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 12:02:36,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 218 treesize of output 206 [2022-12-14 12:02:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:36,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:36,808 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:02:36,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 200 treesize of output 205 [2022-12-14 12:02:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:36,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:36,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:36,826 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 12:02:36,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 248 treesize of output 253 [2022-12-14 12:02:37,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:37,032 INFO L321 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2022-12-14 12:02:37,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 12:02:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:37,058 INFO L321 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2022-12-14 12:02:37,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 12:02:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:37,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:02:37,208 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-12-14 12:02:37,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 568 treesize of output 600 [2022-12-14 12:02:37,627 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:37,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:37,658 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:37,686 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:37,714 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:37,796 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:37,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 220 treesize of output 227 [2022-12-14 12:02:37,854 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:37,886 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:37,914 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:37,929 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:37,971 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:37,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:38,012 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:38,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:38,049 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 1 [2022-12-14 12:02:38,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:38,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:38,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:38,151 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:02:38,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 12:02:38,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:38,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:38,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:38,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:38,178 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:38,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:02:38,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:38,213 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:02:42,031 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (= |ULTIMATE.start_main_~data~0#1.base| |ULTIMATE.start_main_~dst~0#1.base|) (or (not (= |ULTIMATE.start_main_~item2~0#1.base| 0)) (not (= |ULTIMATE.start_main_~item2~0#1.offset| 0))) (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (or (not (<= 0 (+ |ULTIMATE.start_main_~item2~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~item2~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~item2~0#1.base|)))) (<= (+ |ULTIMATE.start_main_~lItem~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~lItem~0#1.base|)) (= |ULTIMATE.start_main_~item2~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |ULTIMATE.start_main_~dst~0#1.offset| (+ 4 |ULTIMATE.start_main_~data~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (< |ULTIMATE.start_main_~lItem~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~item~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~data~0#1.base|) (+ 4 |ULTIMATE.start_main_~data~0#1.offset|))) (<= (+ 8 |ULTIMATE.start_main_~data~0#1.offset|) (select |#length| |ULTIMATE.start_main_~data~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1) (= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~lItem~0#1.base|) 0) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) |ULTIMATE.start_main_~lItem~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~data~0#1.base|) |ULTIMATE.start_main_~data~0#1.offset|)) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~item2~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~lItem~0#1.base|) (+ |ULTIMATE.start_main_~lItem~0#1.offset| 4))) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))) (<= 0 |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (= |#NULL.base| 0))' at error location [2022-12-14 12:02:42,031 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:02:42,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:02:42,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 40 [2022-12-14 12:02:42,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48910603] [2022-12-14 12:02:42,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:02:42,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-12-14 12:02:42,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:02:42,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-12-14 12:02:42,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=3881, Unknown=0, NotChecked=0, Total=4290 [2022-12-14 12:02:42,033 INFO L87 Difference]: Start difference. First operand 149 states and 202 transitions. Second operand has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:47,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:02:47,192 INFO L93 Difference]: Finished difference Result 307 states and 346 transitions. [2022-12-14 12:02:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-14 12:02:47,192 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 12:02:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:02:47,193 INFO L225 Difference]: With dead ends: 307 [2022-12-14 12:02:47,193 INFO L226 Difference]: Without dead ends: 307 [2022-12-14 12:02:47,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3715 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=1051, Invalid=9869, Unknown=0, NotChecked=0, Total=10920 [2022-12-14 12:02:47,194 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 763 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:02:47,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 340 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 12:02:47,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-12-14 12:02:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 160. [2022-12-14 12:02:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 122 states have (on average 1.8114754098360655) internal successors, (221), 159 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2022-12-14 12:02:47,197 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 221 transitions. Word has length 34 [2022-12-14 12:02:47,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:02:47,197 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 221 transitions. [2022-12-14 12:02:47,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.4) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:02:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 221 transitions. [2022-12-14 12:02:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 12:02:47,197 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:02:47,197 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:02:47,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 12:02:47,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-12-14 12:02:47,399 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 12:02:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:02:47,400 INFO L85 PathProgramCache]: Analyzing trace with hash 884437312, now seen corresponding path program 1 times [2022-12-14 12:02:47,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:02:47,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398429554] [2022-12-14 12:02:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:02:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:47,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:02:47,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398429554] [2022-12-14 12:02:47,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398429554] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:02:47,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824290019] [2022-12-14 12:02:47,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:02:47,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:02:47,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:02:47,786 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:02:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 12:02:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:02:47,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 12:02:47,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:02:47,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:02:47,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:48,022 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:48,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:02:48,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-12-14 12:02:48,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-12-14 12:02:48,077 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 12:02:48,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 12:02:48,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-12-14 12:02:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 12:02:48,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-12-14 12:02:48,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:48,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:48,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 11 [2022-12-14 12:02:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:48,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:02:48,287 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2118 (Array Int Int)) (v_ArrVal_2117 Int)) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| v_ArrVal_2117)) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2118) |c_ULTIMATE.start_main_~data~0#1.base|) (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) 0))) is different from false [2022-12-14 12:02:48,295 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2118 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2117 Int)) (not (= (select (select (store (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2115))) (store .cse0 |c_ULTIMATE.start_main_~data~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~data~0#1.base|) |c_ULTIMATE.start_main_~data~0#1.offset| v_ArrVal_2117))) |c_ULTIMATE.start_main_~lItem~0#1.base| v_ArrVal_2118) |c_ULTIMATE.start_main_~data~0#1.base|) (+ |c_ULTIMATE.start_main_~data~0#1.offset| 4)) 0))) is different from false [2022-12-14 12:02:48,444 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:48,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 44 [2022-12-14 12:02:48,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:48,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 286 [2022-12-14 12:02:48,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 238 [2022-12-14 12:02:48,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 230 [2022-12-14 12:02:48,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 214 [2022-12-14 12:02:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:02:48,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824290019] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:02:48,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [929690653] [2022-12-14 12:02:48,761 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 12:02:48,761 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:02:48,761 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:02:48,761 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:02:48,761 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:02:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:02:48,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:02:48,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 12:02:48,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:02:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2022-12-14 12:02:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 12:02:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:02:48,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 12:02:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 12:02:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:48,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 12:02:48,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,017 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:49,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 12:02:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 12:02:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:02:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,097 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 12:02:49,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 12:02:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 12:02:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2022-12-14 12:02:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 12:02:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-12-14 12:02:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 12:02:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2022-12-14 12:02:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2022-12-14 12:02:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,316 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 12:02:49,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 163 treesize of output 111 [2022-12-14 12:02:49,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 12:02:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-12-14 12:02:49,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,417 INFO L321 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2022-12-14 12:02:49,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 201 treesize of output 131 [2022-12-14 12:02:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-14 12:02:49,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-12-14 12:02:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-12-14 12:02:49,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,627 INFO L321 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-12-14 12:02:49,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 483 treesize of output 420 [2022-12-14 12:02:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,683 INFO L321 Elim1Store]: treesize reduction 102, result has 21.5 percent of original size [2022-12-14 12:02:49,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 483 treesize of output 483 [2022-12-14 12:02:49,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,715 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 12:02:49,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 483 treesize of output 444 [2022-12-14 12:02:49,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,811 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 12:02:49,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 483 treesize of output 444 [2022-12-14 12:02:49,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,856 INFO L321 Elim1Store]: treesize reduction 96, result has 18.6 percent of original size [2022-12-14 12:02:49,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 423 [2022-12-14 12:02:49,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,907 INFO L321 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2022-12-14 12:02:49,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 490 treesize of output 486 [2022-12-14 12:02:49,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:49,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:49,997 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-12-14 12:02:49,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-12-14 12:02:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,095 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-12-14 12:02:50,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 983 treesize of output 861 [2022-12-14 12:02:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:50,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,151 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-12-14 12:02:50,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-12-14 12:02:50,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,334 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-12-14 12:02:50,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-12-14 12:02:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,510 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-12-14 12:02:50,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1279 treesize of output 749 [2022-12-14 12:02:50,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,651 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-12-14 12:02:50,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1286 treesize of output 970 [2022-12-14 12:02:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:50,701 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 12:02:50,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-12-14 12:02:50,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,956 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-12-14 12:02:50,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1294 treesize of output 752 [2022-12-14 12:02:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,236 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-12-14 12:02:51,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1301 treesize of output 973 [2022-12-14 12:02:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,467 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-12-14 12:02:51,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-12-14 12:02:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,567 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-12-14 12:02:51,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-12-14 12:02:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,694 INFO L321 Elim1Store]: treesize reduction 67, result has 11.8 percent of original size [2022-12-14 12:02:51,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 645 treesize of output 512 [2022-12-14 12:02:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,790 INFO L321 Elim1Store]: treesize reduction 306, result has 13.6 percent of original size [2022-12-14 12:02:51,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 983 treesize of output 861 [2022-12-14 12:02:51,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:51,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,846 INFO L321 Elim1Store]: treesize reduction 180, result has 22.1 percent of original size [2022-12-14 12:02:51,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1019 treesize of output 872 [2022-12-14 12:02:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,040 INFO L321 Elim1Store]: treesize reduction 348, result has 10.5 percent of original size [2022-12-14 12:02:52,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 1008 treesize of output 975 [2022-12-14 12:02:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,215 INFO L321 Elim1Store]: treesize reduction 268, result has 11.0 percent of original size [2022-12-14 12:02:52,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1279 treesize of output 749 [2022-12-14 12:02:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,347 INFO L321 Elim1Store]: treesize reduction 368, result has 12.0 percent of original size [2022-12-14 12:02:52,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 1286 treesize of output 970 [2022-12-14 12:02:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:52,400 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 12:02:52,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1141 treesize of output 1018 [2022-12-14 12:02:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,700 INFO L321 Elim1Store]: treesize reduction 406, result has 10.6 percent of original size [2022-12-14 12:02:52,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1294 treesize of output 752 [2022-12-14 12:02:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,018 INFO L321 Elim1Store]: treesize reduction 476, result has 8.8 percent of original size [2022-12-14 12:02:53,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 1301 treesize of output 973 [2022-12-14 12:02:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,305 INFO L321 Elim1Store]: treesize reduction 460, result has 10.7 percent of original size [2022-12-14 12:02:53,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 1166 treesize of output 1134 [2022-12-14 12:02:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:53,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,419 INFO L321 Elim1Store]: treesize reduction 136, result has 27.3 percent of original size [2022-12-14 12:02:53,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1139 treesize of output 1027 [2022-12-14 12:02:53,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:53,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:53,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:53,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:53,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:53,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:02:53,602 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:53,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:02:53,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2022-12-14 12:02:53,655 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:53,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 58 [2022-12-14 12:02:53,705 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:53,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:53,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:53,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 76 [2022-12-14 12:02:53,740 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:02:53,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 48 [2022-12-14 12:02:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 79 [2022-12-14 12:02:53,812 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:53,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:53,828 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:02:53,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 66 [2022-12-14 12:02:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:53,845 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:02:53,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 51 [2022-12-14 12:02:53,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:53,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:53,893 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 12:02:53,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 58 [2022-12-14 12:02:53,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 86 [2022-12-14 12:02:53,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 54 [2022-12-14 12:02:53,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2022-12-14 12:02:53,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:53,983 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:53,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:54,032 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:54,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:54,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:54,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 64 [2022-12-14 12:02:54,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:54,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,099 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:54,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 67 [2022-12-14 12:02:54,157 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:02:54,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 72 [2022-12-14 12:02:54,224 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:54,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:54,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:54,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:54,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:54,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:54,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:54,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:54,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 84 [2022-12-14 12:02:54,313 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:02:54,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2022-12-14 12:02:54,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2022-12-14 12:02:54,369 INFO L321 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2022-12-14 12:02:54,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 52 [2022-12-14 12:02:54,419 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:54,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:54,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 48 [2022-12-14 12:02:54,449 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:54,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 12:02:54,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:54,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,491 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:54,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2022-12-14 12:02:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 51 [2022-12-14 12:02:54,551 INFO L321 Elim1Store]: treesize reduction 54, result has 37.2 percent of original size [2022-12-14 12:02:54,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 65 [2022-12-14 12:02:54,624 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-14 12:02:54,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 53 [2022-12-14 12:02:54,665 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:02:54,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-12-14 12:02:54,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 62 [2022-12-14 12:02:54,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-14 12:02:54,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:54,749 INFO L321 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2022-12-14 12:02:54,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 213 [2022-12-14 12:02:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:54,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:54,771 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:02:54,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 212 [2022-12-14 12:02:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:54,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:54,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:02:54,792 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 12:02:54,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 261 treesize of output 266 [2022-12-14 12:02:54,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,015 INFO L321 Elim1Store]: treesize reduction 128, result has 12.9 percent of original size [2022-12-14 12:02:55,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 107 treesize of output 91 [2022-12-14 12:02:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,044 INFO L321 Elim1Store]: treesize reduction 63, result has 10.0 percent of original size [2022-12-14 12:02:55,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 75 [2022-12-14 12:02:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:02:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,380 INFO L321 Elim1Store]: treesize reduction 211, result has 29.9 percent of original size [2022-12-14 12:02:55,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 139 treesize of output 188 [2022-12-14 12:02:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:55,554 INFO L321 Elim1Store]: treesize reduction 194, result has 27.9 percent of original size [2022-12-14 12:02:55,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 19 case distinctions, treesize of input 155 treesize of output 183 [2022-12-14 12:02:55,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:55,738 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:55,745 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:55,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 12:02:56,285 INFO L321 Elim1Store]: treesize reduction 169, result has 27.2 percent of original size [2022-12-14 12:02:56,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 114 treesize of output 138 [2022-12-14 12:02:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:56,378 INFO L321 Elim1Store]: treesize reduction 158, result has 23.3 percent of original size [2022-12-14 12:02:56,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 130 treesize of output 133 [2022-12-14 12:02:56,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:56,413 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:56,414 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:56,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 12:02:56,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:56,597 INFO L321 Elim1Store]: treesize reduction 88, result has 40.1 percent of original size [2022-12-14 12:02:56,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 90 treesize of output 118 [2022-12-14 12:02:56,671 INFO L321 Elim1Store]: treesize reduction 70, result has 43.1 percent of original size [2022-12-14 12:02:56,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 110 treesize of output 126 [2022-12-14 12:02:56,685 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:56,686 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:56,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-14 12:02:56,717 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 12:02:56,885 INFO L321 Elim1Store]: treesize reduction 158, result has 31.9 percent of original size [2022-12-14 12:02:56,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 568 treesize of output 588 [2022-12-14 12:02:57,633 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:57,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 151 [2022-12-14 12:02:57,697 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:57,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:57,748 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:57,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:57,795 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:57,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:57,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:57,843 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:57,879 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:57,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:57,923 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:57,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:57,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:57,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:02:58,014 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,124 INFO L321 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2022-12-14 12:02:58,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2022-12-14 12:02:58,192 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,245 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,292 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,352 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,400 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,480 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,533 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 1 [2022-12-14 12:02:58,584 INFO L321 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-12-14 12:02:58,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 1 [2022-12-14 12:02:58,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:02:58,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:58,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:02:58,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:02:58,732 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:02:58,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 12:02:58,752 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:02:58,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:02:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:58,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:02:58,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2022-12-14 12:02:58,797 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:03:02,574 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12884#(and (not (= (select |#valid| |ULTIMATE.start_main_~data~0#1.base|) 1)) (or (and (= 0 |ULTIMATE.start_main_~data~0#1.offset|) (= |#NULL.offset| 0) (not (= |ULTIMATE.start_main_~data~0#1.base| 0)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~item~0#1.base|) (<= 0 |ULTIMATE.start_main_~lItem~0#1.offset|) (= |ULTIMATE.start_main_~item2~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_~data~0#1.base_110| Int) (|v_ULTIMATE.start_main_~data~0#1.offset_100| Int)) (and (<= 0 |v_ULTIMATE.start_main_~data~0#1.offset_100|) (= |ULTIMATE.start_main_~data~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~data~0#1.base_110|) |v_ULTIMATE.start_main_~data~0#1.offset_100|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~data~0#1.base_110|) |v_ULTIMATE.start_main_~data~0#1.offset_100|) |ULTIMATE.start_main_~data~0#1.offset|) (<= (+ |v_ULTIMATE.start_main_~data~0#1.offset_100| 4) (select |#length| |v_ULTIMATE.start_main_~data~0#1.base_110|)) (= (select |#valid| |v_ULTIMATE.start_main_~data~0#1.base_110|) 1))) (<= |ULTIMATE.start_main_~item~0#1.base| 0) (<= |ULTIMATE.start_main_~lItem~0#1.offset| 0) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= |#NULL.base| 0) (= |ULTIMATE.start_main_~dst~0#1.offset| 0) (= |ULTIMATE.start_main_~item2~0#1.offset| 0) (= |ULTIMATE.start_main_~dst~0#1.base| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))))' at error location [2022-12-14 12:03:02,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:03:02,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:03:02,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 12] total 32 [2022-12-14 12:03:02,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840095263] [2022-12-14 12:03:02,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:03:02,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-12-14 12:03:02,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:03:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-12-14 12:03:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=2926, Unknown=5, NotChecked=222, Total=3422 [2022-12-14 12:03:02,575 INFO L87 Difference]: Start difference. First operand 160 states and 221 transitions. Second operand has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:03:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:03:04,053 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2022-12-14 12:03:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 12:03:04,053 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 12:03:04,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:03:04,054 INFO L225 Difference]: With dead ends: 226 [2022-12-14 12:03:04,054 INFO L226 Difference]: Without dead ends: 226 [2022-12-14 12:03:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=667, Invalid=5655, Unknown=6, NotChecked=314, Total=6642 [2022-12-14 12:03:04,055 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 247 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 248 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:03:04,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 856 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1282 Invalid, 0 Unknown, 248 Unchecked, 0.8s Time] [2022-12-14 12:03:04,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-12-14 12:03:04,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 159. [2022-12-14 12:03:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 121 states have (on average 1.8016528925619835) internal successors, (218), 158 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:03:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 218 transitions. [2022-12-14 12:03:04,057 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 218 transitions. Word has length 37 [2022-12-14 12:03:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:03:04,057 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 218 transitions. [2022-12-14 12:03:04,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.84375) internal successors, (91), 32 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:03:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2022-12-14 12:03:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 12:03:04,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:03:04,057 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:03:04,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 12:03:04,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-12-14 12:03:04,259 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 59 more)] === [2022-12-14 12:03:04,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:03:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash 880683646, now seen corresponding path program 1 times [2022-12-14 12:03:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:03:04,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013256396] [2022-12-14 12:03:04,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:03:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:03:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:03:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:03:04,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:03:04,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013256396] [2022-12-14 12:03:04,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013256396] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:03:04,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907910666] [2022-12-14 12:03:04,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:03:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:03:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:03:04,710 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:03:04,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41c0ad1-ccaa-4500-afe0-b7e81a2b959e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 12:03:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:03:04,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 64 conjunts are in the unsatisfiable core [2022-12-14 12:03:04,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:03:04,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:03:04,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:03:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:04,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 12:03:04,951 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:03:04,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:03:04,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:03:04,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:03:04,996 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:03:04,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 12:03:05,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2022-12-14 12:03:05,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 12:03:05,139 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:03:05,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 32 [2022-12-14 12:03:05,297 INFO L321 Elim1Store]: treesize reduction 68, result has 18.1 percent of original size [2022-12-14 12:03:05,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 32 [2022-12-14 12:03:05,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:03:05,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-12-14 12:03:05,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:03:05,567 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:03:05,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 19 [2022-12-14 12:03:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:03:05,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:03:05,594 INFO L321 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-12-14 12:03:05,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2022-12-14 12:03:29,875 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:03:29,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 539 treesize of output 246 [2022-12-14 12:03:30,753 INFO L321 Elim1Store]: treesize reduction 734, result has 15.6 percent of original size [2022-12-14 12:03:30,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 19 new quantified variables, introduced 66 case distinctions, treesize of input 643233 treesize of output 581931 [2022-12-14 12:04:00,106 WARN L233 SmtUtils]: Spent 29.34s on a formula simplification. DAG size of input: 3356 DAG size of output: 3336 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:04:01,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:04:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:04:01,930 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:04:01,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 636121 treesize of output 608405 [2022-12-14 12:04:22,037 WARN L233 SmtUtils]: Spent 20.10s on a formula simplification. DAG size of input: 3089 DAG size of output: 3086 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 12:05:31,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158123 treesize of output 157803