./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI --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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- 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-5e519f3 [2022-11-03 02:21:48,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:21:48,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:21:48,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:21:48,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:21:48,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:21:48,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:21:48,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:21:48,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:21:48,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:21:48,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:21:48,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:21:48,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:21:48,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:21:48,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:21:48,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:21:48,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:21:48,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:21:48,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:21:48,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:21:48,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:21:48,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:21:48,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:21:48,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:21:48,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:21:48,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:21:48,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:21:48,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:21:48,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:21:48,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:21:48,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:21:48,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:21:48,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:21:48,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:21:48,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:21:48,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:21:48,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:21:48,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:21:48,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:21:48,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:21:48,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:21:48,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-03 02:21:48,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:21:48,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:21:48,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:21:48,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:21:48,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:21:48,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:21:48,337 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:21:48,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:21:48,338 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:21:48,338 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:21:48,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:21:48,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:21:48,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:21:48,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:21:48,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:21:48,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:21:48,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:21:48,341 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:21:48,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:21:48,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:21:48,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:21:48,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:21:48,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:21:48,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:21:48,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:21:48,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:21:48,344 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:21:48,344 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:21:48,344 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 02:21:48,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:21:48,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:21:48,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:21:48,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:21:48,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:21:48,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:21:48,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:21:48,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:21:48,348 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:21:48,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:21:48,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:21:48,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:21:48,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:21:48,349 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_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2022-11-03 02:21:48,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:21:48,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:21:48,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:21:48,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:21:48,706 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:21:48,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-11-03 02:21:48,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/data/4706921f3/7734b07e06fc4e108671fee9a4093f29/FLAGe36f5ba25 [2022-11-03 02:21:49,521 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:21:49,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-11-03 02:21:49,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/data/4706921f3/7734b07e06fc4e108671fee9a4093f29/FLAGe36f5ba25 [2022-11-03 02:21:49,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/data/4706921f3/7734b07e06fc4e108671fee9a4093f29 [2022-11-03 02:21:49,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:21:49,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:21:49,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:21:49,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:21:49,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:21:49,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:21:49" (1/1) ... [2022-11-03 02:21:49,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736ee235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:49, skipping insertion in model container [2022-11-03 02:21:49,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:21:49" (1/1) ... [2022-11-03 02:21:49,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:21:49,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:21:50,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:21:50,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:21:50,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:21:50,403 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:21:50,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50 WrapperNode [2022-11-03 02:21:50,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:21:50,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:21:50,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:21:50,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:21:50,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,454 INFO L138 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-11-03 02:21:50,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:21:50,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:21:50,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:21:50,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:21:50,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:21:50,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:21:50,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:21:50,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:21:50,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (1/1) ... [2022-11-03 02:21:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:21:50,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:21:50,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:21:50,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:21:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:21:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:21:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:21:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:21:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:21:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:21:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:21:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:21:50,757 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:21:50,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:21:51,020 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:21:51,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:21:51,074 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:21:51,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:51 BoogieIcfgContainer [2022-11-03 02:21:51,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:21:51,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:21:51,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:21:51,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:21:51,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:21:49" (1/3) ... [2022-11-03 02:21:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc77825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:51, skipping insertion in model container [2022-11-03 02:21:51,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:21:50" (2/3) ... [2022-11-03 02:21:51,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc77825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:51, skipping insertion in model container [2022-11-03 02:21:51,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:51" (3/3) ... [2022-11-03 02:21:51,089 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer.i [2022-11-03 02:21:51,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:21:51,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-03 02:21:51,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:21:51,206 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;@41142438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:21:51,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-03 02:21:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 51 states have internal predecessors, (56), 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) [2022-11-03 02:21:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-03 02:21:51,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:51,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-03 02:21:51,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:51,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:51,243 INFO L85 PathProgramCache]: Analyzing trace with hash 3879, now seen corresponding path program 1 times [2022-11-03 02:21:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:51,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682480952] [2022-11-03 02:21:51,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:51,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:51,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682480952] [2022-11-03 02:21:51,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682480952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:51,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:51,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:21:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592430832] [2022-11-03 02:21:51,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:51,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:21:51,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:51,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:21:51,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:51,628 INFO L87 Difference]: Start difference. First operand has 52 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 51 states have internal predecessors, (56), 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 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 02:21:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:51,796 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2022-11-03 02:21:51,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-03 02:21:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:51,808 INFO L225 Difference]: With dead ends: 54 [2022-11-03 02:21:51,809 INFO L226 Difference]: Without dead ends: 52 [2022-11-03 02:21:51,811 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 [2022-11-03 02:21:51,815 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 35 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:51,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 20 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-03 02:21:51,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2022-11-03 02:21:51,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 46 states have internal predecessors, (52), 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) [2022-11-03 02:21:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-11-03 02:21:51,858 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 2 [2022-11-03 02:21:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:51,858 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-11-03 02:21:51,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 02:21:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-11-03 02:21:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-03 02:21:51,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:51,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-03 02:21:51,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:21:51,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:51,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:51,862 INFO L85 PathProgramCache]: Analyzing trace with hash 3880, now seen corresponding path program 1 times [2022-11-03 02:21:51,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:51,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589150133] [2022-11-03 02:21:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:52,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:52,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589150133] [2022-11-03 02:21:52,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589150133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:52,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:52,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:21:52,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927175237] [2022-11-03 02:21:52,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:52,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:21:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:52,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:21:52,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:52,063 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 02:21:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:52,215 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-11-03 02:21:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-03 02:21:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:52,218 INFO L225 Difference]: With dead ends: 48 [2022-11-03 02:21:52,218 INFO L226 Difference]: Without dead ends: 48 [2022-11-03 02:21:52,222 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 [2022-11-03 02:21:52,224 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:52,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 39 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-03 02:21:52,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2022-11-03 02:21:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 41 states have internal predecessors, (47), 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) [2022-11-03 02:21:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-11-03 02:21:52,235 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 2 [2022-11-03 02:21:52,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:52,235 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-11-03 02:21:52,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 02:21:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-11-03 02:21:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:21:52,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:52,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:52,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:21:52,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1730509016, now seen corresponding path program 1 times [2022-11-03 02:21:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:52,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944887014] [2022-11-03 02:21:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:52,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:52,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:52,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944887014] [2022-11-03 02:21:52,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944887014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:52,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:52,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:52,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622134179] [2022-11-03 02:21:52,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:52,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:21:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:52,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:21:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:52,374 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:21:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:52,478 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-11-03 02:21:52,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:21:52,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 02:21:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:52,480 INFO L225 Difference]: With dead ends: 69 [2022-11-03 02:21:52,480 INFO L226 Difference]: Without dead ends: 69 [2022-11-03 02:21:52,481 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 [2022-11-03 02:21:52,482 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 47 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:52,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 34 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-03 02:21:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 43. [2022-11-03 02:21:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 42 states have internal predecessors, (48), 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) [2022-11-03 02:21:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-11-03 02:21:52,489 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 8 [2022-11-03 02:21:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:52,490 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-11-03 02:21:52,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:21:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-03 02:21:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:21:52,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:52,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:52,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:21:52,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:52,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1730507620, now seen corresponding path program 1 times [2022-11-03 02:21:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:52,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783650757] [2022-11-03 02:21:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:52,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:52,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783650757] [2022-11-03 02:21:52,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783650757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:52,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:52,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:52,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067942172] [2022-11-03 02:21:52,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:52,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:21:52,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:52,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:21:52,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:52,611 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-03 02:21:52,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:52,712 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2022-11-03 02:21:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:21:52,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-11-03 02:21:52,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:52,714 INFO L225 Difference]: With dead ends: 48 [2022-11-03 02:21:52,714 INFO L226 Difference]: Without dead ends: 48 [2022-11-03 02:21:52,715 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 [2022-11-03 02:21:52,716 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:52,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 22 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:52,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-03 02:21:52,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-11-03 02:21:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.7) internal successors, (51), 43 states have internal predecessors, (51), 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) [2022-11-03 02:21:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2022-11-03 02:21:52,723 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 8 [2022-11-03 02:21:52,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:52,723 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2022-11-03 02:21:52,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-03 02:21:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-03 02:21:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:21:52,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:52,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:52,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:21:52,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:52,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:52,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1730507621, now seen corresponding path program 1 times [2022-11-03 02:21:52,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:52,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060661353] [2022-11-03 02:21:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:53,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:53,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060661353] [2022-11-03 02:21:53,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060661353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:53,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:53,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:21:53,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227493916] [2022-11-03 02:21:53,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:53,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:21:53,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:53,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:21:53,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:53,011 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:21:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:53,156 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2022-11-03 02:21:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:21:53,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 02:21:53,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:53,158 INFO L225 Difference]: With dead ends: 74 [2022-11-03 02:21:53,158 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:21:53,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:21:53,160 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 34 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:53,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 40 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:21:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 59. [2022-11-03 02:21:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 58 states have internal predecessors, (71), 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) [2022-11-03 02:21:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-03 02:21:53,180 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 8 [2022-11-03 02:21:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:53,181 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-03 02:21:53,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 02:21:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-03 02:21:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:21:53,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:53,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:53,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:21:53,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:53,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash 866437451, now seen corresponding path program 1 times [2022-11-03 02:21:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:53,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089522042] [2022-11-03 02:21:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:53,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:53,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089522042] [2022-11-03 02:21:53,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089522042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:53,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:53,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:53,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605379397] [2022-11-03 02:21:53,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:53,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:21:53,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:53,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:21:53,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:53,412 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-03 02:21:53,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:53,499 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2022-11-03 02:21:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:53,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2022-11-03 02:21:53,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:53,507 INFO L225 Difference]: With dead ends: 58 [2022-11-03 02:21:53,507 INFO L226 Difference]: Without dead ends: 58 [2022-11-03 02:21:53,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:53,514 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:53,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:53,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-03 02:21:53,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-03 02:21:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 57 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) [2022-11-03 02:21:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2022-11-03 02:21:53,524 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 10 [2022-11-03 02:21:53,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:53,524 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2022-11-03 02:21:53,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-03 02:21:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2022-11-03 02:21:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:21:53,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:53,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:53,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:21:53,526 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:53,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:53,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1463010864, now seen corresponding path program 1 times [2022-11-03 02:21:53,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:53,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180941625] [2022-11-03 02:21:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:53,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:53,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:53,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180941625] [2022-11-03 02:21:53,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180941625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:53,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:53,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:21:53,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565946807] [2022-11-03 02:21:53,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:53,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:21:53,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:21:53,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:21:53,935 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand has 6 states, 6 states have (on average 2.0) 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) [2022-11-03 02:21:54,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:54,144 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2022-11-03 02:21:54,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:21:54,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) 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 [2022-11-03 02:21:54,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:54,147 INFO L225 Difference]: With dead ends: 63 [2022-11-03 02:21:54,147 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 02:21:54,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:21:54,153 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 41 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:54,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 61 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 02:21:54,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 53. [2022-11-03 02:21:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.525) internal successors, (61), 52 states have internal predecessors, (61), 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) [2022-11-03 02:21:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-11-03 02:21:54,174 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 12 [2022-11-03 02:21:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:54,175 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-11-03 02:21:54,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) 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) [2022-11-03 02:21:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-11-03 02:21:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:21:54,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:54,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:54,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:21:54,177 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:54,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1462999879, now seen corresponding path program 1 times [2022-11-03 02:21:54,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:54,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130668602] [2022-11-03 02:21:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:54,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:54,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130668602] [2022-11-03 02:21:54,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130668602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:54,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:54,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:21:54,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528283622] [2022-11-03 02:21:54,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:54,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:21:54,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:54,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:21:54,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:21:54,265 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2022-11-03 02:21:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:54,373 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-03 02:21:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:21:54,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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 [2022-11-03 02:21:54,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:54,380 INFO L225 Difference]: With dead ends: 69 [2022-11-03 02:21:54,380 INFO L226 Difference]: Without dead ends: 69 [2022-11-03 02:21:54,381 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 [2022-11-03 02:21:54,384 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:54,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 50 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-03 02:21:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2022-11-03 02:21:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 61 states have internal predecessors, (77), 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) [2022-11-03 02:21:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2022-11-03 02:21:54,407 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 12 [2022-11-03 02:21:54,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:54,407 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2022-11-03 02:21:54,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2022-11-03 02:21:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2022-11-03 02:21:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:21:54,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:54,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:54,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:21:54,409 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:54,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1098836238, now seen corresponding path program 1 times [2022-11-03 02:21:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:54,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581163862] [2022-11-03 02:21:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:54,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:54,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581163862] [2022-11-03 02:21:54,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581163862] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:21:54,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472585995] [2022-11-03 02:21:54,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:54,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:21:54,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:21:54,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:21:54,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:21:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:54,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:21:54,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:21:54,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-03 02:21:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:54,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:21:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:54,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472585995] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:21:54,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2000884594] [2022-11-03 02:21:54,920 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-03 02:21:54,920 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:21:54,927 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:21:54,934 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:21:54,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:21:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:21:55,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:21:55,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:21:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:21:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:21:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:21:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:21:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:21:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:21:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:21:55,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:21:55,699 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:21:57,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2000884594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:57,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:21:57,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 13 [2022-11-03 02:21:57,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24447502] [2022-11-03 02:21:57,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:57,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:21:57,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:57,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:21:57,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:21:57,911 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-11-03 02:21:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:58,391 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2022-11-03 02:21:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:21:58,392 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 15 [2022-11-03 02:21:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:58,394 INFO L225 Difference]: With dead ends: 78 [2022-11-03 02:21:58,394 INFO L226 Difference]: Without dead ends: 64 [2022-11-03 02:21:58,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:21:58,396 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:58,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 46 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:21:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-03 02:21:58,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-03 02:21:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 63 states have internal predecessors, (79), 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) [2022-11-03 02:21:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2022-11-03 02:21:58,402 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 15 [2022-11-03 02:21:58,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:58,403 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-11-03 02:21:58,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-11-03 02:21:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2022-11-03 02:21:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:21:58,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:58,405 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:58,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:21:58,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:21:58,628 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:58,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:58,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1447780460, now seen corresponding path program 1 times [2022-11-03 02:21:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:58,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582417462] [2022-11-03 02:21:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:58,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:58,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582417462] [2022-11-03 02:21:58,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582417462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:58,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:58,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:21:58,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523834170] [2022-11-03 02:21:58,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:58,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:21:58,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:58,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:21:58,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:21:58,795 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-03 02:21:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:58,904 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2022-11-03 02:21:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:21:58,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-11-03 02:21:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:58,905 INFO L225 Difference]: With dead ends: 72 [2022-11-03 02:21:58,906 INFO L226 Difference]: Without dead ends: 72 [2022-11-03 02:21:58,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:21:58,910 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 37 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:58,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 44 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:21:58,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-03 02:21:58,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2022-11-03 02:21:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 59 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) [2022-11-03 02:21:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2022-11-03 02:21:58,933 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 15 [2022-11-03 02:21:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:58,934 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2022-11-03 02:21:58,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-03 02:21:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-11-03 02:21:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:21:58,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:58,935 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:58,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:21:58,936 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:58,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1986639017, now seen corresponding path program 1 times [2022-11-03 02:21:58,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:58,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417783092] [2022-11-03 02:21:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:58,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:21:59,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:59,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417783092] [2022-11-03 02:21:59,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417783092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:59,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:59,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:21:59,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686644969] [2022-11-03 02:21:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:59,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:21:59,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:59,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:21:59,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:21:59,435 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 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) [2022-11-03 02:21:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:59,656 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2022-11-03 02:21:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:21:59,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 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 [2022-11-03 02:21:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:59,658 INFO L225 Difference]: With dead ends: 76 [2022-11-03 02:21:59,658 INFO L226 Difference]: Without dead ends: 76 [2022-11-03 02:21:59,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:21:59,660 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 56 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:59,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 82 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:21:59,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-03 02:21:59,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 60. [2022-11-03 02:21:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4375) internal successors, (69), 59 states have internal predecessors, (69), 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) [2022-11-03 02:21:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2022-11-03 02:21:59,664 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 19 [2022-11-03 02:21:59,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:59,664 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2022-11-03 02:21:59,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 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) [2022-11-03 02:21:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-11-03 02:21:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:21:59,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:59,666 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:59,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:21:59,666 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:21:59,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:59,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1456267282, now seen corresponding path program 1 times [2022-11-03 02:21:59,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:59,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821546206] [2022-11-03 02:21:59,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:59,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:00,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:00,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821546206] [2022-11-03 02:22:00,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821546206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:00,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:00,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:22:00,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234179202] [2022-11-03 02:22:00,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:00,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:22:00,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:22:00,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:22:00,091 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 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) [2022-11-03 02:22:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:00,322 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2022-11-03 02:22:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:22:00,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 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 [2022-11-03 02:22:00,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:00,324 INFO L225 Difference]: With dead ends: 75 [2022-11-03 02:22:00,324 INFO L226 Difference]: Without dead ends: 75 [2022-11-03 02:22:00,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:22:00,325 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 47 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:00,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 61 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:22:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-03 02:22:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2022-11-03 02:22:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 59 states have internal predecessors, (68), 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) [2022-11-03 02:22:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2022-11-03 02:22:00,328 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 20 [2022-11-03 02:22:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:00,328 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2022-11-03 02:22:00,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 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) [2022-11-03 02:22:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2022-11-03 02:22:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:22:00,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:00,329 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] [2022-11-03 02:22:00,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:22:00,330 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:00,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:00,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2100354617, now seen corresponding path program 1 times [2022-11-03 02:22:00,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:00,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733541117] [2022-11-03 02:22:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:00,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:00,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733541117] [2022-11-03 02:22:00,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733541117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:00,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:00,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:22:00,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754685719] [2022-11-03 02:22:00,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:00,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:22:00,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:00,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:22:00,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:22:00,792 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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) [2022-11-03 02:22:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:00,996 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-11-03 02:22:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:22:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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 [2022-11-03 02:22:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:00,999 INFO L225 Difference]: With dead ends: 61 [2022-11-03 02:22:01,000 INFO L226 Difference]: Without dead ends: 61 [2022-11-03 02:22:01,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:22:01,001 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:01,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 53 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:22:01,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-03 02:22:01,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-11-03 02:22:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 59 states have internal predecessors, (67), 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) [2022-11-03 02:22:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2022-11-03 02:22:01,006 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 21 [2022-11-03 02:22:01,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:01,007 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2022-11-03 02:22:01,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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) [2022-11-03 02:22:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-03 02:22:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:22:01,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:01,008 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] [2022-11-03 02:22:01,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:22:01,009 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:01,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1013749287, now seen corresponding path program 1 times [2022-11-03 02:22:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:01,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353284026] [2022-11-03 02:22:01,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:01,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:01,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353284026] [2022-11-03 02:22:01,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353284026] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:01,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330206338] [2022-11-03 02:22:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:01,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:01,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:01,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:22:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:01,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 02:22:01,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:01,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:01,527 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:22:01,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:01,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:01,605 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:01,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 [2022-11-03 02:22:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:01,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:22:01,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330206338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:01,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:22:01,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 16 [2022-11-03 02:22:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282438330] [2022-11-03 02:22:01,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:01,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:22:01,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:22:01,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:22:01,655 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2022-11-03 02:22:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:01,941 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2022-11-03 02:22:01,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:22:01,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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 22 [2022-11-03 02:22:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:01,942 INFO L225 Difference]: With dead ends: 68 [2022-11-03 02:22:01,942 INFO L226 Difference]: Without dead ends: 67 [2022-11-03 02:22:01,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:22:01,943 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:01,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 90 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:22:01,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-03 02:22:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2022-11-03 02:22:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.375) internal successors, (66), 59 states have internal predecessors, (66), 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) [2022-11-03 02:22:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2022-11-03 02:22:01,947 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 22 [2022-11-03 02:22:01,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:01,948 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2022-11-03 02:22:01,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2022-11-03 02:22:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-11-03 02:22:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:22:01,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:01,949 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] [2022-11-03 02:22:01,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:22:02,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-03 02:22:02,176 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:02,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash 939258027, now seen corresponding path program 1 times [2022-11-03 02:22:02,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:02,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201714362] [2022-11-03 02:22:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:02,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:02,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201714362] [2022-11-03 02:22:02,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201714362] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:02,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346524094] [2022-11-03 02:22:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:02,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:02,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:02,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:02,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:22:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:02,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-03 02:22:02,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:02,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:02,656 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:22:02,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-03 02:22:02,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 02:22:02,738 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:22:02,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 28 [2022-11-03 02:22:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:02,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 25 [2022-11-03 02:22:02,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:02,853 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:02,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 15 [2022-11-03 02:22:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:02,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:22:03,778 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 Int) (v_ArrVal_528 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_31| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_31|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_31| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (= 0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_528) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_530) |v_ULTIMATE.start_main_~list~0#1.offset_31|))))) is different from false [2022-11-03 02:22:03,797 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:03,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 25 [2022-11-03 02:22:03,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 [2022-11-03 02:22:03,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:03,819 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:03,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 38 [2022-11-03 02:22:03,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:03,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 18 [2022-11-03 02:22:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:04,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346524094] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:22:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [926990588] [2022-11-03 02:22:04,075 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-03 02:22:04,076 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:22:04,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:22:04,077 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:22:04,077 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:22:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,167 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:22:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:22:04,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:22:04,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:22:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:22:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:22:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:04,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 47 [2022-11-03 02:22:04,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:04,866 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:22:04,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 186 treesize of output 140 [2022-11-03 02:22:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 63 treesize of output 74 [2022-11-03 02:22:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:04,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:04,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:04,982 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:22:04,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 152 [2022-11-03 02:22:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 72 treesize of output 86 [2022-11-03 02:22:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:05,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:05,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:05,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:05,166 INFO L356 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-11-03 02:22:05,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-11-03 02:22:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-11-03 02:22:05,697 INFO L356 Elim1Store]: treesize reduction 254, result has 14.2 percent of original size [2022-11-03 02:22:05,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 862 treesize of output 848 [2022-11-03 02:22:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:05,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:05,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,047 INFO L356 Elim1Store]: treesize reduction 422, result has 11.0 percent of original size [2022-11-03 02:22:06,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 943 treesize of output 591 [2022-11-03 02:22:06,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,337 INFO L356 Elim1Store]: treesize reduction 426, result has 10.1 percent of original size [2022-11-03 02:22:06,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 32 case distinctions, treesize of input 943 treesize of output 785 [2022-11-03 02:22:06,437 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:22:06,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 947 treesize of output 930 [2022-11-03 02:22:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,830 INFO L356 Elim1Store]: treesize reduction 474, result has 8.7 percent of original size [2022-11-03 02:22:06,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 603 [2022-11-03 02:22:06,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:06,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:06,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,051 INFO L356 Elim1Store]: treesize reduction 486, result has 7.8 percent of original size [2022-11-03 02:22:07,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 39 case distinctions, treesize of input 952 treesize of output 797 [2022-11-03 02:22:07,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 951 treesize of output 930 [2022-11-03 02:22:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,581 INFO L356 Elim1Store]: treesize reduction 552, result has 8.9 percent of original size [2022-11-03 02:22:07,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 47 case distinctions, treesize of input 961 treesize of output 615 [2022-11-03 02:22:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 951 treesize of output 930 [2022-11-03 02:22:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:07,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:07,885 INFO L356 Elim1Store]: treesize reduction 576, result has 8.0 percent of original size [2022-11-03 02:22:07,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 963 treesize of output 811 [2022-11-03 02:22:08,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:08,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:08,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:08,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:22:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,106 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:08,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:08,124 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:08,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,438 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:08,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,575 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:08,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:08,719 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:22:08,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:22:09,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:22:09,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:09,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:09,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:09,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:09,378 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:22:09,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 455 treesize of output 442 [2022-11-03 02:22:09,427 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:09,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 443 treesize of output 440 [2022-11-03 02:22:09,479 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:09,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 435 treesize of output 432 [2022-11-03 02:22:10,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:10,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:10,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:10,651 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:22:12,392 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2182#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-03 02:22:12,393 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:22:12,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:22:12,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 20 [2022-11-03 02:22:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625464608] [2022-11-03 02:22:12,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:22:12,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:22:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:12,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:22:12,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1171, Unknown=2, NotChecked=70, Total=1406 [2022-11-03 02:22:12,395 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 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) [2022-11-03 02:22:13,074 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (forall ((v_ArrVal_530 Int) (v_ArrVal_528 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_31| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_31|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_31| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (= 0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_528) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_530) |v_ULTIMATE.start_main_~list~0#1.offset_31|))))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0))) is different from false [2022-11-03 02:22:13,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:13,505 INFO L93 Difference]: Finished difference Result 128 states and 143 transitions. [2022-11-03 02:22:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:22:13,506 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 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 [2022-11-03 02:22:13,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:13,507 INFO L225 Difference]: With dead ends: 128 [2022-11-03 02:22:13,507 INFO L226 Difference]: Without dead ends: 128 [2022-11-03 02:22:13,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=225, Invalid=1760, Unknown=3, NotChecked=174, Total=2162 [2022-11-03 02:22:13,509 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 75 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 227 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:13,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 338 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 356 Invalid, 0 Unknown, 227 Unchecked, 0.3s Time] [2022-11-03 02:22:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-03 02:22:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 75. [2022-11-03 02:22:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 74 states have internal predecessors, (83), 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) [2022-11-03 02:22:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2022-11-03 02:22:13,513 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 22 [2022-11-03 02:22:13,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:13,514 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2022-11-03 02:22:13,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 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) [2022-11-03 02:22:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2022-11-03 02:22:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:22:13,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:13,515 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] [2022-11-03 02:22:13,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:22:13,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-03 02:22:13,732 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:13,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:13,733 INFO L85 PathProgramCache]: Analyzing trace with hash 939256631, now seen corresponding path program 1 times [2022-11-03 02:22:13,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:13,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144795858] [2022-11-03 02:22:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:14,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:14,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144795858] [2022-11-03 02:22:14,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144795858] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:14,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186704965] [2022-11-03 02:22:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:14,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:14,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:22:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 02:22:14,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:14,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:14,285 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:22:14,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:14,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:14,347 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:22:14,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:14,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 26 [2022-11-03 02:22:14,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:14,475 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:14,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 16 [2022-11-03 02:22:14,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:14,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:22:15,068 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:15,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 53 [2022-11-03 02:22:15,150 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_616 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_42| Int)) (or (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_616) |c_ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_42|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_42|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_42| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_prenex_2 Int) (v_prenex_1 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_1) |c_ULTIMATE.start_main_~y~0#1.base|) v_prenex_2) |c_ULTIMATE.start_main_~y~0#1.base|)) (not (<= v_prenex_2 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_2))))) is different from false [2022-11-03 02:22:15,174 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:15,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 19 [2022-11-03 02:22:15,184 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:15,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 02:22:15,233 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:15,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:22:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:15,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186704965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:22:15,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [995346788] [2022-11-03 02:22:15,313 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-03 02:22:15,313 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:22:15,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:22:15,314 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:22:15,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:22:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:22:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:22:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:22:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:22:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:22:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:22:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 56 [2022-11-03 02:22:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:15,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,012 INFO L356 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-11-03 02:22:16,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 239 treesize of output 189 [2022-11-03 02:22:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,049 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:22:16,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 141 [2022-11-03 02:22:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,152 INFO L356 Elim1Store]: treesize reduction 55, result has 19.1 percent of original size [2022-11-03 02:22:16,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 248 treesize of output 201 [2022-11-03 02:22:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,192 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:22:16,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 162 treesize of output 153 [2022-11-03 02:22:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:16,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,308 INFO L356 Elim1Store]: treesize reduction 80, result has 22.3 percent of original size [2022-11-03 02:22:16,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 257 treesize of output 213 [2022-11-03 02:22:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,359 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:22:16,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 167 [2022-11-03 02:22:16,832 INFO L356 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-11-03 02:22:16,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 781 treesize of output 769 [2022-11-03 02:22:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:16,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:16,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,141 INFO L356 Elim1Store]: treesize reduction 330, result has 9.8 percent of original size [2022-11-03 02:22:17,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 33 case distinctions, treesize of input 854 treesize of output 563 [2022-11-03 02:22:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,372 INFO L356 Elim1Store]: treesize reduction 578, result has 10.0 percent of original size [2022-11-03 02:22:17,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 29 case distinctions, treesize of input 854 treesize of output 785 [2022-11-03 02:22:17,431 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:22:17,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 858 treesize of output 841 [2022-11-03 02:22:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,750 INFO L356 Elim1Store]: treesize reduction 378, result has 7.1 percent of original size [2022-11-03 02:22:17,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 39 case distinctions, treesize of input 863 treesize of output 575 [2022-11-03 02:22:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 862 treesize of output 841 [2022-11-03 02:22:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:17,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:17,994 INFO L356 Elim1Store]: treesize reduction 654, result has 8.0 percent of original size [2022-11-03 02:22:17,994 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 863 treesize of output 797 [2022-11-03 02:22:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,400 INFO L356 Elim1Store]: treesize reduction 446, result has 7.9 percent of original size [2022-11-03 02:22:18,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 15 new quantified variables, introduced 47 case distinctions, treesize of input 872 treesize of output 587 [2022-11-03 02:22:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:18,659 INFO L356 Elim1Store]: treesize reduction 760, result has 8.0 percent of original size [2022-11-03 02:22:18,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 44 case distinctions, treesize of input 874 treesize of output 811 [2022-11-03 02:22:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 862 treesize of output 841 [2022-11-03 02:22:18,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:18,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:18,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,870 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:18,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:18,888 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:18,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:18,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:22:19,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:19,206 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:19,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:19,318 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:19,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:19,460 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:22:19,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:22:20,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:20,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:20,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:22:20,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:20,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:20,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:20,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:20,387 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:22:20,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 643 treesize of output 622 [2022-11-03 02:22:20,426 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:20,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 627 treesize of output 612 [2022-11-03 02:22:20,487 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:20,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 615 treesize of output 600 [2022-11-03 02:22:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:20,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:21,000 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:21,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 794 treesize of output 763 [2022-11-03 02:22:21,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:21,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:21,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:21,048 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:21,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 778 treesize of output 747 [2022-11-03 02:22:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:21,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 761 treesize of output 732 [2022-11-03 02:22:21,347 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:22:23,207 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2569#(and (not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:22:23,207 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:22:23,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:22:23,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21 [2022-11-03 02:22:23,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134725716] [2022-11-03 02:22:23,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:22:23,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 02:22:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 02:22:23,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1225, Unknown=1, NotChecked=72, Total=1482 [2022-11-03 02:22:23,210 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 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) [2022-11-03 02:22:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:24,032 INFO L93 Difference]: Finished difference Result 87 states and 93 transitions. [2022-11-03 02:22:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:22:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 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 [2022-11-03 02:22:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:24,034 INFO L225 Difference]: With dead ends: 87 [2022-11-03 02:22:24,034 INFO L226 Difference]: Without dead ends: 87 [2022-11-03 02:22:24,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=338, Invalid=2017, Unknown=1, NotChecked=94, Total=2450 [2022-11-03 02:22:24,037 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 53 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:24,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 139 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 394 Invalid, 0 Unknown, 93 Unchecked, 0.3s Time] [2022-11-03 02:22:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-03 02:22:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 79. [2022-11-03 02:22:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 78 states have internal predecessors, (90), 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) [2022-11-03 02:22:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2022-11-03 02:22:24,045 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 22 [2022-11-03 02:22:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:24,046 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2022-11-03 02:22:24,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 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) [2022-11-03 02:22:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2022-11-03 02:22:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:22:24,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:24,054 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] [2022-11-03 02:22:24,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:22:24,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-03 02:22:24,260 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:24,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:24,261 INFO L85 PathProgramCache]: Analyzing trace with hash 939256632, now seen corresponding path program 1 times [2022-11-03 02:22:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:24,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727432681] [2022-11-03 02:22:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:24,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:24,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727432681] [2022-11-03 02:22:24,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727432681] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:24,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652797099] [2022-11-03 02:22:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:24,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:24,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:22:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:24,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 02:22:24,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:24,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:24,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,005 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:22:25,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,093 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:22:25,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 37 [2022-11-03 02:22:25,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:25,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:25,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:25,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 26 [2022-11-03 02:22:25,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:25,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-03 02:22:25,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:25,245 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:25,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 16 [2022-11-03 02:22:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:25,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:22:29,505 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_ArrVal_711 (Array Int Int)) (v_ArrVal_710 (Array Int Int)) (v_ArrVal_714 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_54| Int) (v_ArrVal_712 Int)) (or (<= (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_710) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_714) |v_ULTIMATE.start_main_~list~0#1.offset_54|) 4) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_711) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_712) |v_ULTIMATE.start_main_~list~0#1.offset_54|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_54| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_54|)))) (forall ((v_ArrVal_710 (Array Int Int)) (v_ArrVal_714 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_54| Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_710) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_714) |v_ULTIMATE.start_main_~list~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_54| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_54|)))))) is different from false [2022-11-03 02:22:29,530 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:29,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 24 [2022-11-03 02:22:29,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 36 [2022-11-03 02:22:29,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,550 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:29,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2022-11-03 02:22:29,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 02:22:29,593 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:29,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 48 [2022-11-03 02:22:29,606 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:29,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 40 [2022-11-03 02:22:29,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 33 [2022-11-03 02:22:29,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 [2022-11-03 02:22:29,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:29,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 02:22:29,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:29,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-03 02:22:35,886 WARN L234 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 25 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:22:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:40,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652797099] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:22:40,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [119190620] [2022-11-03 02:22:40,102 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-03 02:22:40,102 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:22:40,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:22:40,103 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:22:40,103 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:22:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:22:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:22:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:22:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:22:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:22:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:22:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 56 [2022-11-03 02:22:40,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:40,694 INFO L356 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-11-03 02:22:40,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 224 treesize of output 178 [2022-11-03 02:22:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,727 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:22:40,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 130 [2022-11-03 02:22:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:40,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:40,836 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:22:40,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 152 [2022-11-03 02:22:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 72 treesize of output 86 [2022-11-03 02:22:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:40,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:40,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:40,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:41,008 INFO L356 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-11-03 02:22:41,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-11-03 02:22:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-11-03 02:22:41,517 INFO L356 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-11-03 02:22:41,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 692 treesize of output 690 [2022-11-03 02:22:41,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:41,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:41,729 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:22:41,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-11-03 02:22:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:41,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:41,858 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:22:41,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-11-03 02:22:41,912 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:22:41,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 769 treesize of output 752 [2022-11-03 02:22:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,127 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:22:42,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-11-03 02:22:42,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,239 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:22:42,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-11-03 02:22:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:22:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,562 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:22:42,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-11-03 02:22:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:42,712 INFO L356 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-11-03 02:22:42,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-11-03 02:22:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:22:42,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:42,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:42,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,916 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:42,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:42,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:22:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:42,945 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:42,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:43,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:43,232 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:43,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:43,340 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:22:43,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:43,480 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:22:43,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:22:43,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:43,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:43,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:22:43,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:43,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:43,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:43,958 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:43,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 373 treesize of output 370 [2022-11-03 02:22:44,000 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:22:44,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 369 treesize of output 356 [2022-11-03 02:22:44,039 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:44,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 357 treesize of output 354 [2022-11-03 02:22:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:44,542 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:44,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 975 treesize of output 928 [2022-11-03 02:22:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 950 treesize of output 913 [2022-11-03 02:22:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:44,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:44,633 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:44,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 951 treesize of output 904 [2022-11-03 02:22:44,900 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:22:46,863 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2923#(and (or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:22:46,863 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:22:46,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:22:46,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 20 [2022-11-03 02:22:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104390995] [2022-11-03 02:22:46,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:22:46,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 02:22:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 02:22:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1237, Unknown=2, NotChecked=72, Total=1482 [2022-11-03 02:22:46,866 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 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) [2022-11-03 02:22:48,442 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |c_#length| |c_ULTIMATE.start_main_~y~0#1.base|)) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (forall ((v_ArrVal_711 (Array Int Int)) (v_ArrVal_710 (Array Int Int)) (v_ArrVal_714 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_54| Int) (v_ArrVal_712 Int)) (or (<= (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_710) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_714) |v_ULTIMATE.start_main_~list~0#1.offset_54|) 4) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_711) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_712) |v_ULTIMATE.start_main_~list~0#1.offset_54|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_54| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_54|)))) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_710 (Array Int Int)) (v_ArrVal_714 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_54| Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_710) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_714) |v_ULTIMATE.start_main_~list~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_54| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_54|)))) (<= 13 (select |c_#length| |c_ULTIMATE.start_main_~list~0#1.base|)) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1))) is different from false [2022-11-03 02:22:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:49,119 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2022-11-03 02:22:49,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:22:49,120 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 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 [2022-11-03 02:22:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:49,121 INFO L225 Difference]: With dead ends: 136 [2022-11-03 02:22:49,121 INFO L226 Difference]: Without dead ends: 136 [2022-11-03 02:22:49,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=239, Invalid=1836, Unknown=3, NotChecked=178, Total=2256 [2022-11-03 02:22:49,123 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 101 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 248 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:49,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 289 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 552 Invalid, 0 Unknown, 248 Unchecked, 0.5s Time] [2022-11-03 02:22:49,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-03 02:22:49,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 107. [2022-11-03 02:22:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 106 states have internal predecessors, (126), 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) [2022-11-03 02:22:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2022-11-03 02:22:49,127 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 22 [2022-11-03 02:22:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:49,128 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2022-11-03 02:22:49,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 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) [2022-11-03 02:22:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2022-11-03 02:22:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:22:49,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:49,129 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] [2022-11-03 02:22:49,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:22:49,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:49,329 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:49,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1714033067, now seen corresponding path program 1 times [2022-11-03 02:22:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:49,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357554223] [2022-11-03 02:22:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:49,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:49,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357554223] [2022-11-03 02:22:49,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357554223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:49,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:49,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:22:49,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610517880] [2022-11-03 02:22:49,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:49,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:22:49,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:49,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:22:49,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:22:49,787 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 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) [2022-11-03 02:22:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:50,070 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2022-11-03 02:22:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:22:50,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 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 [2022-11-03 02:22:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:50,072 INFO L225 Difference]: With dead ends: 122 [2022-11-03 02:22:50,072 INFO L226 Difference]: Without dead ends: 122 [2022-11-03 02:22:50,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:22:50,073 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 61 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:50,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 54 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:22:50,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-03 02:22:50,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 107. [2022-11-03 02:22:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 106 states have internal predecessors, (126), 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) [2022-11-03 02:22:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2022-11-03 02:22:50,077 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 24 [2022-11-03 02:22:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:50,077 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2022-11-03 02:22:50,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 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) [2022-11-03 02:22:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2022-11-03 02:22:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:22:50,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:50,078 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, 1, 1] [2022-11-03 02:22:50,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:22:50,079 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:22:50,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2081668364, now seen corresponding path program 1 times [2022-11-03 02:22:50,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:50,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128654530] [2022-11-03 02:22:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:50,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:50,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128654530] [2022-11-03 02:22:50,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128654530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:22:50,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31492693] [2022-11-03 02:22:50,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:22:50,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:22:50,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:22:50,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:22:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:50,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-03 02:22:50,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:22:50,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:50,570 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:22:50,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-03 02:22:50,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 02:22:50,646 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:22:50,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 28 [2022-11-03 02:22:50,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:50,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 25 [2022-11-03 02:22:50,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:50,751 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:50,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 15 [2022-11-03 02:22:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:50,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:22:51,747 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_852 Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (or (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_852) |v_ULTIMATE.start_main_~list~0#1.offset_65|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_65| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_65|)))) is different from false [2022-11-03 02:22:51,761 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:51,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 25 [2022-11-03 02:22:51,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 [2022-11-03 02:22:51,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:51,779 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:51,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 38 [2022-11-03 02:22:51,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:51,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 18 [2022-11-03 02:22:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:22:51,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31492693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:22:51,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2032451251] [2022-11-03 02:22:51,948 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-03 02:22:51,948 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:22:51,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:22:51,949 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:22:51,949 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:22:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:51,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:22:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 30 [2022-11-03 02:22:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:22:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:22:52,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:52,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:22:52,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:52,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:52,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:22:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 48 [2022-11-03 02:22:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 52 [2022-11-03 02:22:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-03 02:22:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 54 [2022-11-03 02:22:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2022-11-03 02:22:52,619 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:22:52,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 256 treesize of output 178 [2022-11-03 02:22:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:52,716 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:22:52,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 265 treesize of output 190 [2022-11-03 02:22:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 68 treesize of output 82 [2022-11-03 02:22:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 72 [2022-11-03 02:22:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:52,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:52,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:52,998 INFO L356 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-03 02:22:52,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 327 treesize of output 239 [2022-11-03 02:22:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 94 [2022-11-03 02:22:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:22:53,706 INFO L356 Elim1Store]: treesize reduction 492, result has 11.2 percent of original size [2022-11-03 02:22:53,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 966 treesize of output 962 [2022-11-03 02:22:53,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:53,947 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:22:53,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 1107 treesize of output 639 [2022-11-03 02:22:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:53,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,138 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:22:54,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1107 treesize of output 1093 [2022-11-03 02:22:54,199 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:22:54,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 1111 treesize of output 1094 [2022-11-03 02:22:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,424 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:22:54,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 1116 treesize of output 651 [2022-11-03 02:22:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1115 treesize of output 1094 [2022-11-03 02:22:54,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:54,596 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:22:54,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1116 treesize of output 1105 [2022-11-03 02:22:54,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,389 INFO L356 Elim1Store]: treesize reduction 560, result has 9.2 percent of original size [2022-11-03 02:22:55,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 1121 treesize of output 1116 [2022-11-03 02:22:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,737 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:22:55,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 1283 treesize of output 749 [2022-11-03 02:22:55,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1297 treesize of output 1276 [2022-11-03 02:22:55,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:55,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:55,946 INFO L356 Elim1Store]: treesize reduction 266, result has 11.9 percent of original size [2022-11-03 02:22:55,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 1307 treesize of output 1299 [2022-11-03 02:22:56,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:22:56,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,140 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:22:56,208 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:22:56,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:22:56,227 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:22:56,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 26 treesize of output 29 [2022-11-03 02:22:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,255 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:56,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:22:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:56,287 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:22:56,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 [2022-11-03 02:22:56,487 INFO L356 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2022-11-03 02:22:56,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 43 [2022-11-03 02:22:56,555 INFO L356 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-11-03 02:22:56,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 33 [2022-11-03 02:22:56,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,770 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:22:56,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:22:56,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:56,915 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:22:56,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:22:57,090 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:22:57,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:22:57,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:57,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:57,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:22:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:57,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:57,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:57,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:22:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:57,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,858 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:57,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 578 treesize of output 555 [2022-11-03 02:22:57,907 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:22:57,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 570 treesize of output 549 [2022-11-03 02:22:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:22:57,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:22:57,946 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:22:57,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 554 treesize of output 531 [2022-11-03 02:22:58,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:58,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:58,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:58,550 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:22:58,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:58,579 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-03 02:22:58,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:22:58,606 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:23:00,657 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3622#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-03 02:23:00,657 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:23:00,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:23:00,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 20 [2022-11-03 02:23:00,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662004444] [2022-11-03 02:23:00,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:23:00,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:23:00,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:00,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:23:00,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1457, Unknown=2, NotChecked=78, Total=1722 [2022-11-03 02:23:00,660 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 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) [2022-11-03 02:23:01,300 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1) (forall ((v_ArrVal_852 Int) (v_ArrVal_850 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_65| Int)) (or (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_850) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_852) |v_ULTIMATE.start_main_~list~0#1.offset_65|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_65| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_65|))))) is different from false [2022-11-03 02:23:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:01,771 INFO L93 Difference]: Finished difference Result 148 states and 168 transitions. [2022-11-03 02:23:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:23:01,772 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 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 26 [2022-11-03 02:23:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:01,773 INFO L225 Difference]: With dead ends: 148 [2022-11-03 02:23:01,773 INFO L226 Difference]: Without dead ends: 148 [2022-11-03 02:23:01,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=250, Invalid=2107, Unknown=3, NotChecked=190, Total=2550 [2022-11-03 02:23:01,775 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 60 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 199 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:01,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 187 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 422 Invalid, 0 Unknown, 199 Unchecked, 0.4s Time] [2022-11-03 02:23:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-03 02:23:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 104. [2022-11-03 02:23:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 103 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) [2022-11-03 02:23:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2022-11-03 02:23:01,779 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 26 [2022-11-03 02:23:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:01,779 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2022-11-03 02:23:01,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 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) [2022-11-03 02:23:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2022-11-03 02:23:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:23:01,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:01,781 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, 1, 1] [2022-11-03 02:23:01,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-03 02:23:02,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:23:02,000 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:23:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:02,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2081666968, now seen corresponding path program 1 times [2022-11-03 02:23:02,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:02,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252748475] [2022-11-03 02:23:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:02,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:02,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252748475] [2022-11-03 02:23:02,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252748475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:23:02,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930354827] [2022-11-03 02:23:02,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:02,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:23:02,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:23:02,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:23:02,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:23:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:03,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-03 02:23:03,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:23:03,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,066 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:23:03,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,102 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:23:03,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,136 INFO L356 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2022-11-03 02:23:03,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:23:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:03,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 30 [2022-11-03 02:23:03,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:03,370 INFO L356 Elim1Store]: treesize reduction 10, result has 68.8 percent of original size [2022-11-03 02:23:03,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 41 [2022-11-03 02:23:03,485 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:23:03,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:03,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:23:21,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:21,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 415 treesize of output 465 [2022-11-03 02:23:22,593 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (let ((.cse0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse0) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse0) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (let ((.cse2 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= v_prenex_3 .cse2) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse2) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse3 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= v_prenex_3 .cse3) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse3) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse4 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3))) (let ((.cse5 (select .cse4 v_prenex_5))) (or (not (= (select .cse4 8) .cse5)) (= v_prenex_3 .cse5) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse6 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse6) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse6) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (forall ((v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))))) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse7 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse7) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse7) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))))) (or (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3)))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse8 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3))) (let ((.cse9 (select .cse8 v_prenex_5))) (or (not (= (select .cse8 8) .cse9)) (= v_prenex_3 .cse9) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse9) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((v_prenex_3 Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (v_prenex_5 Int) (v_prenex_4 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))))))) is different from false [2022-11-03 02:23:22,819 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:22,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 23 treesize of output 24 [2022-11-03 02:23:22,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 36 [2022-11-03 02:23:22,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:22,835 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:22,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2022-11-03 02:23:22,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:22,841 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 02:23:22,864 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 48 treesize of output 1 [2022-11-03 02:23:22,873 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 71 treesize of output 1 [2022-11-03 02:23:22,882 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2022-11-03 02:23:22,892 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 1 [2022-11-03 02:23:22,900 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 68 treesize of output 1 [2022-11-03 02:23:22,907 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 91 treesize of output 1 [2022-11-03 02:23:22,917 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 71 treesize of output 1 [2022-11-03 02:23:22,926 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 1 [2022-11-03 02:23:22,936 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 1 [2022-11-03 02:23:22,946 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2022-11-03 02:23:22,956 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:22,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2022-11-03 02:23:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:23,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930354827] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:23:23,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1450031414] [2022-11-03 02:23:23,042 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-03 02:23:23,042 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:23:23,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:23:23,043 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:23:23,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:23:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:23,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:23,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:23:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:23,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 30 [2022-11-03 02:23:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:23:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:23:23,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:23,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:23:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:23,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:23:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 48 [2022-11-03 02:23:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-03 02:23:23,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 52 [2022-11-03 02:23:23,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 61 [2022-11-03 02:23:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:23,670 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:23:23,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 270 treesize of output 180 [2022-11-03 02:23:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 61 treesize of output 72 [2022-11-03 02:23:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:23,774 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:23:23,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 279 treesize of output 192 [2022-11-03 02:23:23,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 84 [2022-11-03 02:23:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:23,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2022-11-03 02:23:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:23,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:24,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:24,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:24,057 INFO L356 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-11-03 02:23:24,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 345 treesize of output 241 [2022-11-03 02:23:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-11-03 02:23:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:24,708 INFO L356 Elim1Store]: treesize reduction 492, result has 11.2 percent of original size [2022-11-03 02:23:24,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 966 treesize of output 962 [2022-11-03 02:23:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:24,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:24,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:24,991 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:23:24,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 1107 treesize of output 639 [2022-11-03 02:23:25,065 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:23:25,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 1111 treesize of output 1094 [2022-11-03 02:23:25,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,289 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:23:25,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1107 treesize of output 1093 [2022-11-03 02:23:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,597 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:23:25,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 1116 treesize of output 651 [2022-11-03 02:23:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1115 treesize of output 1094 [2022-11-03 02:23:25,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:25,797 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:23:25,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1116 treesize of output 1105 [2022-11-03 02:23:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,436 INFO L356 Elim1Store]: treesize reduction 560, result has 9.2 percent of original size [2022-11-03 02:23:26,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 1121 treesize of output 1116 [2022-11-03 02:23:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,738 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:23:26,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 1283 treesize of output 749 [2022-11-03 02:23:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:26,905 INFO L356 Elim1Store]: treesize reduction 266, result has 11.9 percent of original size [2022-11-03 02:23:26,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 1307 treesize of output 1299 [2022-11-03 02:23:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:26,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1297 treesize of output 1276 [2022-11-03 02:23:27,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:23:27,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:27,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,176 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:23:27,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:23:27,192 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:27,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 26 treesize of output 29 [2022-11-03 02:23:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,217 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:27,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 [2022-11-03 02:23:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:27,237 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:27,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 [2022-11-03 02:23:27,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:23:27,430 INFO L356 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2022-11-03 02:23:27,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 43 [2022-11-03 02:23:27,505 INFO L356 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-11-03 02:23:27,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 33 [2022-11-03 02:23:27,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,654 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:23:27,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:23:27,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:27,783 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:23:27,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:23:27,954 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:23:27,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:23:28,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:23:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:28,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:28,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:28,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:28,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:28,475 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:23:28,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 474 treesize of output 471 [2022-11-03 02:23:28,516 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:23:28,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 466 treesize of output 463 [2022-11-03 02:23:28,555 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:23:28,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 462 treesize of output 449 [2022-11-03 02:23:28,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:28,875 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:28,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 503 treesize of output 492 [2022-11-03 02:23:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:28,919 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:28,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 495 treesize of output 484 [2022-11-03 02:23:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:28,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 486 treesize of output 465 [2022-11-03 02:23:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,164 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:23:29,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 480 treesize of output 463 [2022-11-03 02:23:29,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,673 INFO L356 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-11-03 02:23:29,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 22 treesize of output 29 [2022-11-03 02:23:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:29,738 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 02:23:29,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-11-03 02:23:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,785 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 02:23:29,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-11-03 02:23:29,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,825 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:29,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:29,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:29,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,915 INFO L356 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-11-03 02:23:29,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 29 [2022-11-03 02:23:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:29,968 INFO L356 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-11-03 02:23:29,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 29 [2022-11-03 02:23:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:30,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 20 [2022-11-03 02:23:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,084 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 02:23:30,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 22 treesize of output 1 [2022-11-03 02:23:30,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:30,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,165 INFO L356 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-03 02:23:30,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 1 [2022-11-03 02:23:30,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:30,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:30,357 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:23:33,063 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4097#(and (not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:23:33,063 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:23:33,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:23:33,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 32 [2022-11-03 02:23:33,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004535504] [2022-11-03 02:23:33,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:23:33,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 02:23:33,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 02:23:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=2641, Unknown=6, NotChecked=106, Total=3080 [2022-11-03 02:23:33,066 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 states have internal predecessors, (64), 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) [2022-11-03 02:23:35,229 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|)) (.cse1 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (let ((.cse0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse0) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse0) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (= (select |c_#valid| .cse2) 1) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (let ((.cse3 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= v_prenex_3 .cse3) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse3) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse4 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= v_prenex_3 .cse4) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse4) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse5 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3))) (let ((.cse6 (select .cse5 v_prenex_5))) (or (not (= (select .cse5 8) .cse6)) (= v_prenex_3 .cse6) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (= .cse2 |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse7 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse7) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse7) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (forall ((v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))))) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (not (= .cse2 |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_prenex_3 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse8 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| .cse8) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| .cse8) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|))))))))) (or (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_prenex_5 Int) (v_prenex_3 Int) (v_prenex_4 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3)))) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (let ((.cse9 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3))) (let ((.cse10 (select .cse9 v_prenex_5))) (or (not (= (select .cse9 8) .cse10)) (= v_prenex_3 .cse10) (= |c_ULTIMATE.start_main_~list~0#1.base| .cse10) (not (<= v_prenex_5 |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 v_prenex_5)))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((v_prenex_3 Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (v_prenex_5 Int) (v_prenex_4 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3))) (forall ((v_prenex_3 Int)) (or (forall ((v_prenex_5 Int) (v_prenex_4 (Array Int Int))) (= |c_ULTIMATE.start_main_~list~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_4) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_3) v_prenex_5))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_3) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_18| Int) (v_ArrVal_944 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_77| Int)) (or (not (= |c_ULTIMATE.start_main_~y~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_944) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) |v_ULTIMATE.start_main_~list~0#1.offset_77|))) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_18|) (= |v_ULTIMATE.start_main_#t~malloc8#1.base_18| v_prenex_3) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_77|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_77| |c_ULTIMATE.start_main_~y~0#1.offset|)))))))) is different from false [2022-11-03 02:23:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:35,833 INFO L93 Difference]: Finished difference Result 112 states and 128 transitions. [2022-11-03 02:23:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:23:35,834 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 states have internal predecessors, (64), 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 26 [2022-11-03 02:23:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:35,835 INFO L225 Difference]: With dead ends: 112 [2022-11-03 02:23:35,835 INFO L226 Difference]: Without dead ends: 112 [2022-11-03 02:23:35,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=473, Invalid=3560, Unknown=7, NotChecked=250, Total=4290 [2022-11-03 02:23:35,837 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 264 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:35,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 165 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 397 Invalid, 0 Unknown, 264 Unchecked, 0.3s Time] [2022-11-03 02:23:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-03 02:23:35,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2022-11-03 02:23:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 101 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) [2022-11-03 02:23:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2022-11-03 02:23:35,845 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 26 [2022-11-03 02:23:35,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:35,846 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2022-11-03 02:23:35,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 1.9393939393939394) internal successors, (64), 33 states have internal predecessors, (64), 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) [2022-11-03 02:23:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2022-11-03 02:23:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:23:35,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:35,849 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, 1, 1] [2022-11-03 02:23:35,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:23:36,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:23:36,050 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:23:36,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2081666969, now seen corresponding path program 1 times [2022-11-03 02:23:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:36,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133628594] [2022-11-03 02:23:36,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:36,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:36,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133628594] [2022-11-03 02:23:36,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133628594] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:23:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778885585] [2022-11-03 02:23:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:36,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:23:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:23:36,650 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:23:36,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 02:23:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:36,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-03 02:23:36,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:23:36,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:36,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:36,928 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:23:36,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:36,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:36,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:36,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:37,038 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:23:37,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 44 [2022-11-03 02:23:37,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:37,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 18 [2022-11-03 02:23:37,118 INFO L356 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-11-03 02:23:37,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-03 02:23:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:37,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:37,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 26 [2022-11-03 02:23:37,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:37,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-03 02:23:37,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:37,277 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:37,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 16 [2022-11-03 02:23:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:37,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:23:48,873 WARN L234 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:48,915 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:48,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 87 treesize of output 105 [2022-11-03 02:23:49,056 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_prenex_75 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_75) (forall ((v_prenex_73 (Array Int Int)) (v_prenex_74 Int) (v_ArrVal_1045 (Array Int Int)) (v_ArrVal_1047 Int) (v_ArrVal_1049 Int) (v_prenex_72 Int)) (or (<= (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_73) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_prenex_74) v_prenex_72) 4) (select (store |c_#length| v_prenex_75 v_ArrVal_1047) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1045) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_1049) v_prenex_72))) (not (<= 0 v_prenex_72)) (not (<= v_prenex_72 |c_ULTIMATE.start_main_~y~0#1.offset|)))))) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_90| Int) (v_ArrVal_1046 (Array Int Int)) (v_ArrVal_1048 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1046) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_1048) |v_ULTIMATE.start_main_~list~0#1.offset_90|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_90| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_90|)))))) is different from false [2022-11-03 02:23:49,081 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:49,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 24 [2022-11-03 02:23:49,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 36 [2022-11-03 02:23:49,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,098 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:49,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2022-11-03 02:23:49,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 02:23:49,137 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:49,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 50 treesize of output 51 [2022-11-03 02:23:49,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 44 [2022-11-03 02:23:49,155 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:49,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 38 [2022-11-03 02:23:49,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 35 treesize of output 31 [2022-11-03 02:23:49,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2022-11-03 02:23:49,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-11-03 02:23:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:23:49,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778885585] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:23:49,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2123737397] [2022-11-03 02:23:49,561 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-03 02:23:49,561 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:23:49,562 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:23:49,562 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:23:49,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:23:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:23:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:23:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:23:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:23:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:23:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 48 [2022-11-03 02:23:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 56 [2022-11-03 02:23:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:49,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 54 [2022-11-03 02:23:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 70 [2022-11-03 02:23:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,219 INFO L356 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2022-11-03 02:23:50,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 323 treesize of output 229 [2022-11-03 02:23:50,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,251 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:23:50,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 151 treesize of output 139 [2022-11-03 02:23:50,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,321 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:23:50,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 279 treesize of output 192 [2022-11-03 02:23:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 84 [2022-11-03 02:23:50,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 74 [2022-11-03 02:23:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:23:50,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:50,579 INFO L356 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-11-03 02:23:50,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 345 treesize of output 241 [2022-11-03 02:23:50,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:50,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-11-03 02:23:51,175 INFO L356 Elim1Store]: treesize reduction 492, result has 11.2 percent of original size [2022-11-03 02:23:51,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 966 treesize of output 962 [2022-11-03 02:23:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,405 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:23:51,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 1107 treesize of output 639 [2022-11-03 02:23:51,463 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:23:51,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 1111 treesize of output 1094 [2022-11-03 02:23:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,610 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:23:51,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 1107 treesize of output 1093 [2022-11-03 02:23:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:51,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,876 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:23:51,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 1116 treesize of output 651 [2022-11-03 02:23:51,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:51,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:52,039 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:23:52,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1116 treesize of output 1105 [2022-11-03 02:23:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1115 treesize of output 1094 [2022-11-03 02:23:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,706 INFO L356 Elim1Store]: treesize reduction 560, result has 9.2 percent of original size [2022-11-03 02:23:52,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 1121 treesize of output 1116 [2022-11-03 02:23:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:52,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:52,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:53,015 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:23:53,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 1283 treesize of output 749 [2022-11-03 02:23:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1297 treesize of output 1276 [2022-11-03 02:23:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:53,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:53,216 INFO L356 Elim1Store]: treesize reduction 266, result has 11.9 percent of original size [2022-11-03 02:23:53,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 1307 treesize of output 1299 [2022-11-03 02:23:53,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:23:53,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:53,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:23:53,460 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 02:23:53,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 26 treesize of output 45 [2022-11-03 02:23:53,510 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:23:53,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:23:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,536 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:53,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:53,555 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:23:53,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 [2022-11-03 02:23:53,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:23:53,754 INFO L356 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2022-11-03 02:23:53,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 43 [2022-11-03 02:23:53,829 INFO L356 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-11-03 02:23:53,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 33 [2022-11-03 02:23:53,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:54,028 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:23:54,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:23:54,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:54,152 INFO L356 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2022-11-03 02:23:54,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 29 [2022-11-03 02:23:54,306 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:23:54,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:23:54,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:54,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:54,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:54,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:23:54,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:23:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:54,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:54,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:54,720 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:23:54,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 411 treesize of output 404 [2022-11-03 02:23:54,757 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:23:54,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 407 treesize of output 394 [2022-11-03 02:23:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:54,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:54,795 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:23:54,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 395 treesize of output 388 [2022-11-03 02:23:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:55,262 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:55,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 794 treesize of output 753 [2022-11-03 02:23:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 769 treesize of output 740 [2022-11-03 02:23:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:23:55,348 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:55,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 770 treesize of output 729 [2022-11-03 02:23:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:55,625 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:23:55,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 727 treesize of output 680 [2022-11-03 02:23:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,298 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:56,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:56,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,364 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:56,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:23:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:23:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,617 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:56,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:56,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,865 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:56,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:56,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:56,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:57,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2022-11-03 02:23:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:57,074 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:23:57,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:23:57,209 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:24:00,364 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4531#(and (or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:24:00,365 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:24:00,365 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:24:00,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 26 [2022-11-03 02:24:00,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397812728] [2022-11-03 02:24:00,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:24:00,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 02:24:00,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:00,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 02:24:00,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=2015, Unknown=2, NotChecked=92, Total=2352 [2022-11-03 02:24:00,367 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand has 28 states, 27 states have (on average 2.888888888888889) internal successors, (78), 27 states have internal predecessors, (78), 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) [2022-11-03 02:24:02,518 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|))) (let ((.cse3 (select |c_#length| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse0 (select |c_#length| .cse2)) (.cse1 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select |c_#length| |c_ULTIMATE.start_main_~y~0#1.base|) 13) (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 .cse0) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (forall ((v_prenex_75 Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_75) (forall ((v_prenex_73 (Array Int Int)) (v_prenex_74 Int) (v_ArrVal_1045 (Array Int Int)) (v_ArrVal_1047 Int) (v_ArrVal_1049 Int) (v_prenex_72 Int)) (or (<= (+ (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_prenex_73) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_prenex_74) v_prenex_72) 4) (select (store |c_#length| v_prenex_75 v_ArrVal_1047) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1045) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_ArrVal_1049) v_prenex_72))) (not (<= 0 v_prenex_72)) (not (<= v_prenex_72 |c_ULTIMATE.start_main_~y~0#1.offset|)))))) (= (select |c_#valid| .cse2) 1) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= .cse3 13) (= .cse2 |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (<= 13 .cse3) (not (= .cse2 |c_ULTIMATE.start_main_~y~0#1.base|)) (= 13 .cse0) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_90| Int) (v_ArrVal_1046 (Array Int Int)) (v_ArrVal_1048 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1046) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_ArrVal_1048) |v_ULTIMATE.start_main_~list~0#1.offset_90|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_90| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_90|))))))) is different from false [2022-11-03 02:24:03,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:03,872 INFO L93 Difference]: Finished difference Result 217 states and 250 transitions. [2022-11-03 02:24:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:24:03,873 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.888888888888889) internal successors, (78), 27 states have internal predecessors, (78), 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 26 [2022-11-03 02:24:03,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:03,874 INFO L225 Difference]: With dead ends: 217 [2022-11-03 02:24:03,874 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 02:24:03,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=397, Invalid=3390, Unknown=3, NotChecked=242, Total=4032 [2022-11-03 02:24:03,876 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 93 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 421 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:03,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 329 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 644 Invalid, 0 Unknown, 421 Unchecked, 0.6s Time] [2022-11-03 02:24:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 02:24:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 136. [2022-11-03 02:24:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 135 states have internal predecessors, (158), 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) [2022-11-03 02:24:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2022-11-03 02:24:03,882 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 26 [2022-11-03 02:24:03,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:03,882 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2022-11-03 02:24:03,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.888888888888889) internal successors, (78), 27 states have internal predecessors, (78), 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) [2022-11-03 02:24:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2022-11-03 02:24:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:24:03,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:03,884 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:24:03,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:24:04,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:24:04,096 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:24:04,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:04,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1221816285, now seen corresponding path program 1 times [2022-11-03 02:24:04,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:04,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533180929] [2022-11-03 02:24:04,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:04,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:05,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:05,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533180929] [2022-11-03 02:24:05,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533180929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:24:05,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073264614] [2022-11-03 02:24:05,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:05,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:24:05,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:24:05,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:24:05,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 02:24:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:05,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-03 02:24:05,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:24:05,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,399 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:24:05,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:05,513 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:24:05,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 50 [2022-11-03 02:24:05,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 38 treesize of output 36 [2022-11-03 02:24:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:05,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:05,614 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:24:05,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 59 treesize of output 48 [2022-11-03 02:24:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:05,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 43 treesize of output 48 [2022-11-03 02:24:06,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:06,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:06,199 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:24:06,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 34 [2022-11-03 02:24:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:06,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:24:44,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:44,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:44,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:44,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:44,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:44,993 INFO L356 Elim1Store]: treesize reduction 206, result has 50.8 percent of original size [2022-11-03 02:24:44,994 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 3377 treesize of output 1894 [2022-11-03 02:24:45,204 INFO L356 Elim1Store]: treesize reduction 239, result has 21.4 percent of original size [2022-11-03 02:24:45,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 27452 treesize of output 6871 [2022-11-03 02:24:45,457 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-11-03 02:24:45,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3223 treesize of output 2971 [2022-11-03 02:24:45,591 INFO L356 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-11-03 02:24:45,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2981 treesize of output 2729 [2022-11-03 02:24:45,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 4 [2022-11-03 02:24:45,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 4 [2022-11-03 02:24:50,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,152 INFO L356 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2022-11-03 02:24:50,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 132 treesize of output 128 [2022-11-03 02:24:50,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 32 [2022-11-03 02:24:50,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,240 INFO L356 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-03 02:24:50,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 722 treesize of output 1 [2022-11-03 02:24:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:24:50,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073264614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:24:50,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16826612] [2022-11-03 02:24:50,332 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-03 02:24:50,333 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:24:50,333 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:24:50,333 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:24:50,334 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:24:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:24:50,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:24:50,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:24:50,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:50,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 30 [2022-11-03 02:24:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:24:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:24:50,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:24:50,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:50,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:50,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:24:50,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:24:50,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:50,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-03 02:24:50,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 51 [2022-11-03 02:24:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:50,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,878 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:24:50,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 88 [2022-11-03 02:24:50,933 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:24:50,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 184 treesize of output 138 [2022-11-03 02:24:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:50,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 68 treesize of output 82 [2022-11-03 02:24:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,028 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:24:51,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 150 [2022-11-03 02:24:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:24:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,182 INFO L356 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-03 02:24:51,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 20 case distinctions, treesize of input 197 treesize of output 162 [2022-11-03 02:24:51,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-11-03 02:24:51,625 INFO L356 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-11-03 02:24:51,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 692 treesize of output 690 [2022-11-03 02:24:51,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,817 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:24:51,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-11-03 02:24:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:51,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,001 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:24:52,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-11-03 02:24:52,063 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:24:52,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 769 treesize of output 752 [2022-11-03 02:24:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,243 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:24:52,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-11-03 02:24:52,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,371 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:24:52,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-11-03 02:24:52,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:24:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,645 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:24:52,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-11-03 02:24:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:52,802 INFO L356 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-11-03 02:24:52,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-11-03 02:24:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:24:52,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:24:52,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:52,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:52,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:52,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:24:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:24:52,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,001 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:24:53,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:24:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,020 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:24:53,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:24:53,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,289 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:24:53,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,399 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:24:53,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,572 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:24:53,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:24:53,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:24:53,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:53,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:24:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:53,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:24:54,198 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:24:54,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 528 treesize of output 513 [2022-11-03 02:24:54,255 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:24:54,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 520 treesize of output 499 [2022-11-03 02:24:54,301 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:24:54,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 504 treesize of output 489 [2022-11-03 02:24:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:54,620 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:24:54,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 558 treesize of output 535 [2022-11-03 02:24:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:24:54,665 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:24:54,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 546 treesize of output 523 [2022-11-03 02:24:54,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:54,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 533 treesize of output 508 [2022-11-03 02:24:54,821 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:24:59,360 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5124#(and (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 0 (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem11#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (or (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_~list~0#1.offset_113| Int) (|v_ULTIMATE.start_main_~list~0#1.base_105| Int)) (and (<= (+ |v_ULTIMATE.start_main_~list~0#1.offset_113| 4) (select |#length| |v_ULTIMATE.start_main_~list~0#1.base_105|)) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_105|) |v_ULTIMATE.start_main_~list~0#1.offset_113|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_105|) |v_ULTIMATE.start_main_~list~0#1.offset_113|) |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_105|) 1) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_113|))) (= |ULTIMATE.start_main_#t~mem11#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (<= 0 |#StackHeapBarrier|) (not (= |ULTIMATE.start_main_#t~mem11#1.offset| 0)) (= |#NULL.base| 0))' at error location [2022-11-03 02:24:59,360 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:24:59,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:24:59,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 33 [2022-11-03 02:24:59,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486519196] [2022-11-03 02:24:59,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:24:59,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 02:24:59,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:59,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 02:24:59,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=2572, Unknown=10, NotChecked=0, Total=2862 [2022-11-03 02:24:59,363 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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) [2022-11-03 02:25:02,307 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse6 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse4 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse14 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse4 .cse14 |c_ULTIMATE.start_main_~y~0#1.offset|))) (.cse7 (select .cse6 |c_ULTIMATE.start_main_~y~0#1.offset|)) (.cse9 (select .cse8 0))) (let ((.cse3 (select |c_#memory_$Pointer$.offset| .cse9)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse2 (select |c_#memory_$Pointer$.offset| .cse7)) (.cse5 (select .cse8 |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse15 (select .cse12 |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select .cse0 .cse1) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 12)) (= |c_ULTIMATE.start_main_~y~0#1.offset| (select .cse2 4)) (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select .cse3 4) 0) (= (select .cse4 |c_ULTIMATE.start_main_~list~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (= (select .cse3 8) 12) (= (select .cse0 |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= 12 (select (select |c_#memory_$Pointer$.offset| .cse5) 8)) (= (select .cse2 8) 12) (= (select .cse6 .cse1) |c_ULTIMATE.start_main_~y~0#1.base|) (= .cse7 (select (select |c_#memory_$Pointer$.base| .cse7) 8)) (not (= .cse7 |c_ULTIMATE.start_main_~y~0#1.base|)) (<= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (= 12 (select .cse4 8)) (= (select (select |c_#memory_$Pointer$.base| .cse5) 8) .cse5) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1) (= (select .cse4 0) 0) (= (select .cse8 8) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= .cse9 |c_ULTIMATE.start_main_~list~0#1.base|)) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_104| Int) (v_ArrVal_1145 Int) (v_ArrVal_1149 Int) (v_ArrVal_1148 Int)) (let ((.cse13 (store .cse15 .cse1 v_ArrVal_1148))) (let ((.cse10 (select .cse13 |v_ULTIMATE.start_main_~list~0#1.offset_104|))) (let ((.cse11 (select (select (store .cse12 |c_ULTIMATE.start_main_~y~0#1.base| .cse13) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse8 .cse14 v_ArrVal_1145)) |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_ArrVal_1149) |v_ULTIMATE.start_main_~list~0#1.offset_104|)) (+ .cse10 8)))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_104|)) (not (<= 0 .cse10)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_104| |c_ULTIMATE.start_main_~y~0#1.offset|)) (= .cse11 (+ .cse10 12)) (= .cse11 0)))))) (= (select (select |c_#memory_$Pointer$.base| .cse9) 8) .cse9) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_104| Int) (v_ArrVal_1145 Int) (v_ArrVal_1149 Int) (v_ArrVal_1148 Int)) (let ((.cse17 (store .cse15 .cse1 v_ArrVal_1148)) (.cse20 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse8 .cse14 v_ArrVal_1145)))) (let ((.cse21 (store (select .cse20 |c_ULTIMATE.start_main_~y~0#1.base|) .cse1 v_ArrVal_1149)) (.cse16 (select .cse17 |v_ULTIMATE.start_main_~list~0#1.offset_104|))) (let ((.cse19 (+ .cse16 8)) (.cse18 (select .cse21 |v_ULTIMATE.start_main_~list~0#1.offset_104|))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_104|)) (not (<= 0 .cse16)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_104| |c_ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select (store .cse12 |c_ULTIMATE.start_main_~y~0#1.base| .cse17) .cse18) .cse19) 0) (= (select (select (store .cse20 |c_ULTIMATE.start_main_~y~0#1.base| .cse21) .cse18) .cse19) .cse18)))))))))) is different from false [2022-11-03 02:25:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:03,190 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2022-11-03 02:25:03,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:25:03,194 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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 26 [2022-11-03 02:25:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:03,195 INFO L225 Difference]: With dead ends: 212 [2022-11-03 02:25:03,196 INFO L226 Difference]: Without dead ends: 212 [2022-11-03 02:25:03,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 46.1s TimeCoverageRelationStatistics Valid=481, Invalid=3934, Unknown=11, NotChecked=130, Total=4556 [2022-11-03 02:25:03,198 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 54 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 311 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:03,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 333 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 360 Invalid, 0 Unknown, 311 Unchecked, 0.5s Time] [2022-11-03 02:25:03,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-03 02:25:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 171. [2022-11-03 02:25:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 159 states have (on average 1.2578616352201257) internal successors, (200), 170 states have internal predecessors, (200), 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) [2022-11-03 02:25:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 200 transitions. [2022-11-03 02:25:03,204 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 200 transitions. Word has length 26 [2022-11-03 02:25:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:03,205 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 200 transitions. [2022-11-03 02:25:03,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 33 states have internal predecessors, (73), 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) [2022-11-03 02:25:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 200 transitions. [2022-11-03 02:25:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:25:03,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:03,206 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] [2022-11-03 02:25:03,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:03,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-03 02:25:03,420 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:25:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1221805300, now seen corresponding path program 1 times [2022-11-03 02:25:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569752091] [2022-11-03 02:25:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:03,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:03,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569752091] [2022-11-03 02:25:03,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569752091] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:25:03,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238500082] [2022-11-03 02:25:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:03,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:03,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:03,754 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 02:25:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:03,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:25:03,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:03,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:04,029 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:25:04,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:04,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:04,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:04,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 40 [2022-11-03 02:25:04,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:04,368 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:04,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 30 [2022-11-03 02:25:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:04,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:06,157 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_116| Int) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1238 Int)) (or (< (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1236) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1238) |v_ULTIMATE.start_main_~list~0#1.offset_116|) |c_#StackHeapBarrier|) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_116| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_116|)))) is different from false [2022-11-03 02:25:06,170 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:06,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 24 [2022-11-03 02:25:06,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 36 [2022-11-03 02:25:06,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:06,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2022-11-03 02:25:06,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:06,197 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:06,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2022-11-03 02:25:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:06,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238500082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:06,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [904178679] [2022-11-03 02:25:06,437 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-03 02:25:06,437 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:06,438 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:06,438 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:06,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:06,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 30 [2022-11-03 02:25:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:25:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:06,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 38 [2022-11-03 02:25:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:06,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:25:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:06,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 42 treesize of output 43 [2022-11-03 02:25:06,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:25:06,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 44 treesize of output 52 [2022-11-03 02:25:06,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 53 treesize of output 56 [2022-11-03 02:25:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:06,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,001 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:25:07,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 198 treesize of output 152 [2022-11-03 02:25:07,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,050 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:07,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 92 [2022-11-03 02:25:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:07,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,148 INFO L356 Elim1Store]: treesize reduction 55, result has 19.1 percent of original size [2022-11-03 02:25:07,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 164 [2022-11-03 02:25:07,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,185 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:07,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 104 [2022-11-03 02:25:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,279 INFO L356 Elim1Store]: treesize reduction 74, result has 18.7 percent of original size [2022-11-03 02:25:07,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 204 treesize of output 164 [2022-11-03 02:25:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2022-11-03 02:25:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:07,692 INFO L356 Elim1Store]: treesize reduction 226, result has 14.4 percent of original size [2022-11-03 02:25:07,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 692 treesize of output 690 [2022-11-03 02:25:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,884 INFO L356 Elim1Store]: treesize reduction 104, result has 17.5 percent of original size [2022-11-03 02:25:07,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 765 treesize of output 505 [2022-11-03 02:25:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:07,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,022 INFO L356 Elim1Store]: treesize reduction 200, result has 14.5 percent of original size [2022-11-03 02:25:08,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 765 treesize of output 751 [2022-11-03 02:25:08,084 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:25:08,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 769 treesize of output 752 [2022-11-03 02:25:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,322 INFO L356 Elim1Store]: treesize reduction 112, result has 11.8 percent of original size [2022-11-03 02:25:08,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 37 case distinctions, treesize of input 774 treesize of output 517 [2022-11-03 02:25:08,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,442 INFO L356 Elim1Store]: treesize reduction 220, result has 10.9 percent of original size [2022-11-03 02:25:08,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 774 treesize of output 763 [2022-11-03 02:25:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:25:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,723 INFO L356 Elim1Store]: treesize reduction 146, result has 14.1 percent of original size [2022-11-03 02:25:08,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 783 treesize of output 529 [2022-11-03 02:25:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:08,880 INFO L356 Elim1Store]: treesize reduction 272, result has 11.7 percent of original size [2022-11-03 02:25:08,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 785 treesize of output 777 [2022-11-03 02:25:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:08,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 773 treesize of output 752 [2022-11-03 02:25:08,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:08,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:25:09,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,071 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:09,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,089 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:09,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:09,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:25:09,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,347 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:09,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,450 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:09,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,593 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:25:09,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:25:09,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:25:09,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:09,949 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:25:09,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 407 treesize of output 394 [2022-11-03 02:25:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:09,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:09,990 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:25:09,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 395 treesize of output 388 [2022-11-03 02:25:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:10,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:10,042 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:25:10,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 387 treesize of output 380 [2022-11-03 02:25:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:11,247 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:11,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 2820 treesize of output 2611 [2022-11-03 02:25:11,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:11,349 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:11,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 2724 treesize of output 2515 [2022-11-03 02:25:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:11,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2627 treesize of output 2526 [2022-11-03 02:25:12,142 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:15,292 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5728#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (not (< |ULTIMATE.start_main_~y~0#1.base| |#StackHeapBarrier|)) (= |#NULL.offset| 0) (exists ((|v_ULTIMATE.start_main_~list~0#1.offset_125| Int) (|v_ULTIMATE.start_main_~list~0#1.base_116| Int)) (and (<= (+ |v_ULTIMATE.start_main_~list~0#1.offset_125| 4) (select |#length| |v_ULTIMATE.start_main_~list~0#1.base_116|)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_116|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_116|) |v_ULTIMATE.start_main_~list~0#1.offset_125|)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_125|) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_116|) |v_ULTIMATE.start_main_~list~0#1.offset_125|)))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:25:15,293 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:15,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:25:15,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 19 [2022-11-03 02:25:15,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915729821] [2022-11-03 02:25:15,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:15,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:25:15,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:15,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:25:15,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1192, Unknown=2, NotChecked=72, Total=1482 [2022-11-03 02:25:15,295 INFO L87 Difference]: Start difference. First operand 171 states and 200 transitions. Second operand has 21 states, 20 states have (on average 2.65) internal successors, (53), 20 states have internal predecessors, (53), 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) [2022-11-03 02:25:16,697 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (<= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (<= (+ |c_ULTIMATE.start_main_~y~0#1.base| 1) |c_#StackHeapBarrier|) (<= (+ |c_ULTIMATE.start_main_~list~0#1.base| 1) |c_#StackHeapBarrier|) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_116| Int) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1238 Int)) (or (< (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1236) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1238) |v_ULTIMATE.start_main_~list~0#1.offset_116|) |c_#StackHeapBarrier|) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_116| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_116|)))) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|))) is different from false [2022-11-03 02:25:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:17,452 INFO L93 Difference]: Finished difference Result 207 states and 238 transitions. [2022-11-03 02:25:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:25:17,453 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.65) internal successors, (53), 20 states have internal predecessors, (53), 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 26 [2022-11-03 02:25:17,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:17,454 INFO L225 Difference]: With dead ends: 207 [2022-11-03 02:25:17,454 INFO L226 Difference]: Without dead ends: 207 [2022-11-03 02:25:17,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=306, Invalid=2051, Unknown=3, NotChecked=190, Total=2550 [2022-11-03 02:25:17,456 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 270 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:17,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 164 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 303 Invalid, 0 Unknown, 270 Unchecked, 0.4s Time] [2022-11-03 02:25:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-11-03 02:25:17,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 197. [2022-11-03 02:25:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 185 states have (on average 1.2432432432432432) internal successors, (230), 196 states have internal predecessors, (230), 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) [2022-11-03 02:25:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 230 transitions. [2022-11-03 02:25:17,462 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 230 transitions. Word has length 26 [2022-11-03 02:25:17,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:17,462 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 230 transitions. [2022-11-03 02:25:17,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.65) internal successors, (53), 20 states have internal predecessors, (53), 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) [2022-11-03 02:25:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 230 transitions. [2022-11-03 02:25:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:25:17,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:17,464 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] [2022-11-03 02:25:17,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:17,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-03 02:25:17,680 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:25:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash -658569870, now seen corresponding path program 1 times [2022-11-03 02:25:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707687167] [2022-11-03 02:25:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:17,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:17,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707687167] [2022-11-03 02:25:18,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707687167] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:25:18,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916394540] [2022-11-03 02:25:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:18,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:18,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:18,004 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:18,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-03 02:25:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:18,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-03 02:25:18,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:18,270 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:25:18,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-03 02:25:18,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-03 02:25:18,355 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:25:18,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 28 [2022-11-03 02:25:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 25 [2022-11-03 02:25:18,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:18,472 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:18,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 15 [2022-11-03 02:25:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:18,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:20,018 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1370 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_127| Int) (v_ArrVal_1368 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_127|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1368) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1370) |v_ULTIMATE.start_main_~list~0#1.offset_127|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_127| |c_ULTIMATE.start_main_~y~0#1.offset|)))) is different from false [2022-11-03 02:25:20,028 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:20,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 25 [2022-11-03 02:25:20,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 [2022-11-03 02:25:20,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:20,060 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:20,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 38 [2022-11-03 02:25:20,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:20,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 18 [2022-11-03 02:25:20,249 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-03 02:25:20,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 12 [2022-11-03 02:25:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-03 02:25:20,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916394540] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:20,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1649264300] [2022-11-03 02:25:20,264 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-03 02:25:20,264 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:20,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:20,266 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:20,266 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:25:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:25:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:25:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:25:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 48 [2022-11-03 02:25:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:20,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 56 [2022-11-03 02:25:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 54 [2022-11-03 02:25:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:20,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:25:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:25:21,157 INFO L356 Elim1Store]: treesize reduction 212, result has 14.5 percent of original size [2022-11-03 02:25:21,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 653 treesize of output 639 [2022-11-03 02:25:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,357 INFO L356 Elim1Store]: treesize reduction 240, result has 15.8 percent of original size [2022-11-03 02:25:21,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 case distinctions, treesize of input 727 treesize of output 531 [2022-11-03 02:25:21,417 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:25:21,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 731 treesize of output 714 [2022-11-03 02:25:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,597 INFO L356 Elim1Store]: treesize reduction 250, result has 14.1 percent of original size [2022-11-03 02:25:21,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 case distinctions, treesize of input 727 treesize of output 645 [2022-11-03 02:25:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,848 INFO L356 Elim1Store]: treesize reduction 284, result has 11.8 percent of original size [2022-11-03 02:25:21,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 736 treesize of output 543 [2022-11-03 02:25:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,013 INFO L356 Elim1Store]: treesize reduction 302, result has 10.1 percent of original size [2022-11-03 02:25:22,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 new quantified variables, introduced 17 case distinctions, treesize of input 736 treesize of output 657 [2022-11-03 02:25:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 735 treesize of output 714 [2022-11-03 02:25:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,368 INFO L356 Elim1Store]: treesize reduction 248, result has 11.1 percent of original size [2022-11-03 02:25:22,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 741 treesize of output 726 [2022-11-03 02:25:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,740 INFO L356 Elim1Store]: treesize reduction 354, result has 11.7 percent of original size [2022-11-03 02:25:22,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 841 treesize of output 623 [2022-11-03 02:25:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,921 INFO L356 Elim1Store]: treesize reduction 374, result has 10.3 percent of original size [2022-11-03 02:25:22,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 865 treesize of output 789 [2022-11-03 02:25:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 855 treesize of output 834 [2022-11-03 02:25:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:23,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:23,234 INFO L356 Elim1Store]: treesize reduction 354, result has 11.7 percent of original size [2022-11-03 02:25:23,235 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 745 treesize of output 555 [2022-11-03 02:25:23,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 735 treesize of output 714 [2022-11-03 02:25:23,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:23,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:23,494 INFO L356 Elim1Store]: treesize reduction 382, result has 10.1 percent of original size [2022-11-03 02:25:23,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 747 treesize of output 671 [2022-11-03 02:25:23,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:25:23,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:23,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:23,733 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:25:23,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:25:23,760 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:23,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 26 treesize of output 29 [2022-11-03 02:25:23,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:25:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,794 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:23,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 [2022-11-03 02:25:23,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,815 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:23,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 [2022-11-03 02:25:23,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,838 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:23,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:23,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:25:23,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,863 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:23,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,047 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:25:24,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:25:24,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:25:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,500 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:25:24,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 429 treesize of output 422 [2022-11-03 02:25:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,552 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:25:24,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 421 treesize of output 414 [2022-11-03 02:25:24,601 INFO L356 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-03 02:25:24,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 417 treesize of output 404 [2022-11-03 02:25:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,883 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:24,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 451 treesize of output 434 [2022-11-03 02:25:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,921 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:24,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 439 treesize of output 422 [2022-11-03 02:25:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 426 treesize of output 409 [2022-11-03 02:25:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,153 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:25:25,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 420 treesize of output 411 [2022-11-03 02:25:25,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,554 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:25:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,611 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,639 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,665 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,763 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,811 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:25:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,884 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,923 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 25 [2022-11-03 02:25:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:25,967 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:25,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:25:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:26,040 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:26,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 25 [2022-11-03 02:25:26,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,346 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:26,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,464 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:26,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,501 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:30,157 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6363#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0))' at error location [2022-11-03 02:25:30,157 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:30,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:25:30,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 21 [2022-11-03 02:25:30,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981412959] [2022-11-03 02:25:30,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:30,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:25:30,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:30,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:25:30,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1357, Unknown=2, NotChecked=76, Total=1640 [2022-11-03 02:25:30,160 INFO L87 Difference]: Start difference. First operand 197 states and 230 transitions. Second operand has 21 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 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) [2022-11-03 02:25:31,400 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0)) (forall ((v_ArrVal_1370 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_127| Int) (v_ArrVal_1368 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_127|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1368) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1370) |v_ULTIMATE.start_main_~list~0#1.offset_127|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_127| |c_ULTIMATE.start_main_~y~0#1.offset|))))) is different from false [2022-11-03 02:25:32,871 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0)) (not (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) 0)) (forall ((v_ArrVal_1370 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_127| Int) (v_ArrVal_1368 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_127|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1368) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1370) |v_ULTIMATE.start_main_~list~0#1.offset_127|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_127| |c_ULTIMATE.start_main_~y~0#1.offset|))))) is different from false [2022-11-03 02:25:34,036 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|))) (let ((.cse0 (select .cse1 0))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (not (= .cse0 0)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (<= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0)) (not (= (select .cse1 |c_ULTIMATE.start_main_~list~0#1.offset|) 0)) (forall ((v_ArrVal_1370 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_127| Int) (v_ArrVal_1368 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_127|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1368) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1370) |v_ULTIMATE.start_main_~list~0#1.offset_127|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_127| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (not (= .cse0 |c_ULTIMATE.start_main_~list~0#1.base|))))) is different from false [2022-11-03 02:25:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:34,310 INFO L93 Difference]: Finished difference Result 224 states and 254 transitions. [2022-11-03 02:25:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:25:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 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 [2022-11-03 02:25:34,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:34,312 INFO L225 Difference]: With dead ends: 224 [2022-11-03 02:25:34,312 INFO L226 Difference]: Without dead ends: 224 [2022-11-03 02:25:34,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=336, Invalid=2327, Unknown=5, NotChecked=412, Total=3080 [2022-11-03 02:25:34,313 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 123 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 167 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:34,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 132 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 256 Invalid, 0 Unknown, 167 Unchecked, 0.3s Time] [2022-11-03 02:25:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-11-03 02:25:34,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 177. [2022-11-03 02:25:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 165 states have (on average 1.2545454545454546) internal successors, (207), 176 states have internal predecessors, (207), 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) [2022-11-03 02:25:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 207 transitions. [2022-11-03 02:25:34,320 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 207 transitions. Word has length 29 [2022-11-03 02:25:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:34,320 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 207 transitions. [2022-11-03 02:25:34,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 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) [2022-11-03 02:25:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 207 transitions. [2022-11-03 02:25:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:25:34,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:34,322 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:34,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:34,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:34,536 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:25:34,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:34,537 INFO L85 PathProgramCache]: Analyzing trace with hash -658571265, now seen corresponding path program 1 times [2022-11-03 02:25:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:34,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629672035] [2022-11-03 02:25:34,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:35,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:35,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629672035] [2022-11-03 02:25:35,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629672035] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:25:35,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944888350] [2022-11-03 02:25:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:35,389 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-03 02:25:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:35,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-03 02:25:35,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:35,721 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:25:35,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,742 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:25:35,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,867 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:25:35,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 37 [2022-11-03 02:25:35,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 26 [2022-11-03 02:25:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:36,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:36,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-03 02:25:36,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:36,060 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:36,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 16 [2022-11-03 02:25:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:36,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:44,377 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_ArrVal_1503 (Array Int Int)) (v_ArrVal_1502 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int) (v_ArrVal_1504 Int)) (or (<= (+ 4 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1502) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_1504) |v_ULTIMATE.start_main_~list~0#1.offset_138|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_ArrVal_1503 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse0 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))))) is different from false [2022-11-03 02:25:44,400 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:44,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 48 [2022-11-03 02:25:44,411 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:44,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 40 [2022-11-03 02:25:44,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 68 [2022-11-03 02:25:44,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 126 treesize of output 120 [2022-11-03 02:25:44,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,448 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:44,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 56 [2022-11-03 02:25:44,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 42 [2022-11-03 02:25:44,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,481 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:44,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 82 treesize of output 84 [2022-11-03 02:25:44,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 62 treesize of output 58 [2022-11-03 02:25:44,579 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:44,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 24 [2022-11-03 02:25:44,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 [2022-11-03 02:25:44,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-11-03 02:25:50,839 WARN L234 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 25 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:25:55,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 44 [2022-11-03 02:25:55,047 INFO L356 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2022-11-03 02:25:55,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 44 treesize of output 57 [2022-11-03 02:25:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-03 02:25:55,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944888350] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:55,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [753904487] [2022-11-03 02:25:55,124 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-03 02:25:55,124 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:55,125 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:55,125 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:55,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:25:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:25:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:25:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:25:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 48 [2022-11-03 02:25:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 54 [2022-11-03 02:25:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 56 [2022-11-03 02:25:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:25:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:25:55,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:55,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:25:56,057 INFO L356 Elim1Store]: treesize reduction 212, result has 14.5 percent of original size [2022-11-03 02:25:56,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 638 treesize of output 630 [2022-11-03 02:25:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:56,345 INFO L356 Elim1Store]: treesize reduction 240, result has 15.8 percent of original size [2022-11-03 02:25:56,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 case distinctions, treesize of input 712 treesize of output 520 [2022-11-03 02:25:56,414 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:25:56,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 716 treesize of output 699 [2022-11-03 02:25:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:56,621 INFO L356 Elim1Store]: treesize reduction 250, result has 14.1 percent of original size [2022-11-03 02:25:56,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 case distinctions, treesize of input 712 treesize of output 634 [2022-11-03 02:25:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:56,853 INFO L356 Elim1Store]: treesize reduction 284, result has 11.8 percent of original size [2022-11-03 02:25:56,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 721 treesize of output 532 [2022-11-03 02:25:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:56,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:57,031 INFO L356 Elim1Store]: treesize reduction 302, result has 10.1 percent of original size [2022-11-03 02:25:57,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 new quantified variables, introduced 17 case distinctions, treesize of input 721 treesize of output 646 [2022-11-03 02:25:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 720 treesize of output 699 [2022-11-03 02:25:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,394 INFO L356 Elim1Store]: treesize reduction 248, result has 11.1 percent of original size [2022-11-03 02:25:57,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 726 treesize of output 717 [2022-11-03 02:25:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:57,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:57,716 INFO L356 Elim1Store]: treesize reduction 354, result has 11.7 percent of original size [2022-11-03 02:25:57,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 826 treesize of output 612 [2022-11-03 02:25:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:57,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:57,911 INFO L356 Elim1Store]: treesize reduction 374, result has 10.3 percent of original size [2022-11-03 02:25:57,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 850 treesize of output 778 [2022-11-03 02:25:57,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:57,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 840 treesize of output 819 [2022-11-03 02:25:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,233 INFO L356 Elim1Store]: treesize reduction 354, result has 11.7 percent of original size [2022-11-03 02:25:58,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 730 treesize of output 544 [2022-11-03 02:25:58,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,447 INFO L356 Elim1Store]: treesize reduction 382, result has 10.1 percent of original size [2022-11-03 02:25:58,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 732 treesize of output 660 [2022-11-03 02:25:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 720 treesize of output 699 [2022-11-03 02:25:58,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:25:58,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:25:58,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,691 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 02:25:58,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 26 treesize of output 45 [2022-11-03 02:25:58,756 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:25:58,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:25:58,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:25:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,792 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:58,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 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 [2022-11-03 02:25:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,816 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:58,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 [2022-11-03 02:25:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,841 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:58,841 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:25:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,867 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:58,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:25:59,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,169 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:59,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,270 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:25:59,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,405 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:25:59,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 169 treesize of output 203 [2022-11-03 02:25:59,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:25:59,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:59,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:25:59,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:59,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 9 [2022-11-03 02:26:00,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:00,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:26:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:00,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:26:00,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:00,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 12 treesize of output 1 [2022-11-03 02:26:00,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:00,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:00,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:00,295 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-03 02:26:00,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 33 [2022-11-03 02:26:00,314 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:00,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 26 [2022-11-03 02:26:00,348 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:26:03,357 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7017#(and (or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 02:26:03,357 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:26:03,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:26:03,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 29 [2022-11-03 02:26:03,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274673026] [2022-11-03 02:26:03,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:26:03,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-03 02:26:03,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:03,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-03 02:26:03,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1901, Unknown=2, NotChecked=90, Total=2256 [2022-11-03 02:26:03,360 INFO L87 Difference]: Start difference. First operand 177 states and 207 transitions. Second operand has 30 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 30 states have internal predecessors, (82), 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) [2022-11-03 02:26:05,590 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#length| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse1 (select |c_#length| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 .cse0) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (<= .cse1 13) (<= .cse0 13) (<= 12 .cse1) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_1503 (Array Int Int)) (v_ArrVal_1502 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int) (v_ArrVal_1504 Int)) (or (<= (+ 4 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1502) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1504) |v_ULTIMATE.start_main_~list~0#1.offset_138|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (<= 13 .cse1) (forall ((v_ArrVal_1503 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1))) is different from false [2022-11-03 02:26:08,037 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#length| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse1 (select |c_#length| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 .cse0) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (<= .cse0 13) (<= 12 .cse1) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_1503 (Array Int Int)) (v_ArrVal_1502 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int) (v_ArrVal_1504 Int)) (or (<= (+ 4 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1502) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1504) |v_ULTIMATE.start_main_~list~0#1.offset_138|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (<= 13 .cse1) (forall ((v_ArrVal_1503 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1))) is different from false [2022-11-03 02:26:10,146 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|))) (let ((.cse1 (select |c_#length| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse2 (select |c_#length| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse3 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse4 (select .cse5 0))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select .cse0 |c_ULTIMATE.start_main_~list~0#1.offset|) 0) (<= 13 .cse1) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (<= .cse1 13) (<= 12 .cse2) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_1503 (Array Int Int)) (v_ArrVal_1502 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int) (v_ArrVal_1504 Int)) (or (<= (+ 4 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse3 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (select |c_#length| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1502) |c_ULTIMATE.start_main_~y~0#1.base|) .cse3 v_ArrVal_1504) |v_ULTIMATE.start_main_~list~0#1.offset_138|))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (<= 13 .cse2) (<= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (forall ((v_ArrVal_1503 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_138| Int) (v_ArrVal_1505 Int)) (or (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1503) |c_ULTIMATE.start_main_~y~0#1.base|) .cse3 v_ArrVal_1505) |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_138|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_138| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (<= 12 (select |c_#length| .cse4)) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1) (= (select .cse0 0) 0) (<= 13 (select |c_#length| (select .cse5 |c_ULTIMATE.start_main_~list~0#1.offset|))) (not (= .cse4 |c_ULTIMATE.start_main_~list~0#1.base|))))) is different from false [2022-11-03 02:26:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:10,647 INFO L93 Difference]: Finished difference Result 205 states and 234 transitions. [2022-11-03 02:26:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:26:10,648 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 30 states have internal predecessors, (82), 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 [2022-11-03 02:26:10,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:10,649 INFO L225 Difference]: With dead ends: 205 [2022-11-03 02:26:10,649 INFO L226 Difference]: Without dead ends: 205 [2022-11-03 02:26:10,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=489, Invalid=2944, Unknown=5, NotChecked=468, Total=3906 [2022-11-03 02:26:10,651 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 162 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 199 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:10,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 195 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 345 Invalid, 0 Unknown, 199 Unchecked, 0.4s Time] [2022-11-03 02:26:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-03 02:26:10,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 138. [2022-11-03 02:26:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 126 states have (on average 1.2619047619047619) internal successors, (159), 137 states have internal predecessors, (159), 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) [2022-11-03 02:26:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2022-11-03 02:26:10,656 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 29 [2022-11-03 02:26:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:10,657 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2022-11-03 02:26:10,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 30 states have internal predecessors, (82), 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) [2022-11-03 02:26:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2022-11-03 02:26:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:26:10,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:10,658 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:10,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:26:10,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:26:10,872 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:26:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:10,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1046253019, now seen corresponding path program 2 times [2022-11-03 02:26:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:10,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022223336] [2022-11-03 02:26:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:11,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022223336] [2022-11-03 02:26:11,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022223336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:26:11,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074784316] [2022-11-03 02:26:11,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:26:11,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:26:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:11,567 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:26:11,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 02:26:11,897 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:26:11,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:26:11,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-03 02:26:11,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:11,979 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-03 02:26:11,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 44 [2022-11-03 02:26:12,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:12,146 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:26:12,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 53 [2022-11-03 02:26:12,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:12,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 44 [2022-11-03 02:26:12,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:12,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2022-11-03 02:26:12,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 25 treesize of output 32 [2022-11-03 02:26:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:13,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:26:15,406 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_149| Int) (v_ArrVal_1596 (Array Int Int)) (v_ArrVal_1597 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_149| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_149|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| 0) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1596) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1597) |v_ULTIMATE.start_main_~list~0#1.offset_149|) 0) |c_ULTIMATE.start_main_old_#valid#1|))) is different from false [2022-11-03 02:26:15,422 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:15,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 34 [2022-11-03 02:26:15,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 60 treesize of output 56 [2022-11-03 02:26:15,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:15,449 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:15,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 31 [2022-11-03 02:26:15,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:15,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 17 [2022-11-03 02:26:27,760 WARN L234 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 41 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:26:33,935 WARN L234 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:26:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:40,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074784316] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:26:40,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [284279343] [2022-11-03 02:26:40,148 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-03 02:26:40,148 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:26:40,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:26:40,149 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:26:40,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:26:40,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:26:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-11-03 02:26:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 37 treesize of output 42 [2022-11-03 02:26:40,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-03 02:26:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 45 [2022-11-03 02:26:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 50 treesize of output 58 [2022-11-03 02:26:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-03 02:26:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2022-11-03 02:26:40,755 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-03 02:26:40,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 case distinctions, treesize of input 184 treesize of output 138 [2022-11-03 02:26:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:40,835 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:26:40,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 150 [2022-11-03 02:26:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 68 treesize of output 82 [2022-11-03 02:26:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:40,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:40,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:41,019 INFO L356 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-03 02:26:41,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 new quantified variables, introduced 20 case distinctions, treesize of input 197 treesize of output 162 [2022-11-03 02:26:41,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-11-03 02:26:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 21 [2022-11-03 02:26:41,524 INFO L356 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-03 02:26:41,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 707 treesize of output 701 [2022-11-03 02:26:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:41,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:42,338 INFO L356 Elim1Store]: treesize reduction 756, result has 9.4 percent of original size [2022-11-03 02:26:42,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 4 disjoint index pairs (out of 78 index pairs), introduced 14 new quantified variables, introduced 85 case distinctions, treesize of input 1008 treesize of output 742 [2022-11-03 02:26:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:42,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:42,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:43,249 INFO L356 Elim1Store]: treesize reduction 902, result has 9.8 percent of original size [2022-11-03 02:26:43,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 4 disjoint index pairs (out of 78 index pairs), introduced 16 new quantified variables, introduced 77 case distinctions, treesize of input 1008 treesize of output 1004 [2022-11-03 02:26:43,338 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-03 02:26:43,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 992 treesize of output 975 [2022-11-03 02:26:47,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 [2022-11-03 02:26:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 24 [2022-11-03 02:26:47,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-03 02:26:47,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,831 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:47,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:47,855 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:47,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 34 [2022-11-03 02:26:47,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:26:48,039 INFO L356 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-03 02:26:48,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 160 treesize of output 194 [2022-11-03 02:26:48,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:48,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:48,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 20 [2022-11-03 02:26:48,201 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,349 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:26:48,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,456 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-03 02:26:48,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:48,486 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:26:51,535 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7615#(and (<= 0 |#NULL.base|) (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (<= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= |#NULL.base| 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~list~0#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0))' at error location [2022-11-03 02:26:51,535 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:26:51,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:26:51,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 14] total 32 [2022-11-03 02:26:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474610507] [2022-11-03 02:26:51,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:26:51,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 02:26:51,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:51,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 02:26:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=2380, Unknown=3, NotChecked=100, Total=2756 [2022-11-03 02:26:51,540 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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) [2022-11-03 02:26:53,309 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_ULTIMATE.start_main_old_#valid#1| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse1 (select |c_ULTIMATE.start_main_old_#valid#1| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= .cse0 0) (= |c_ULTIMATE.start_main_old_#valid#1| (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| .cse0) |c_ULTIMATE.start_main_~list~0#1.base| .cse1)) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((|v_ULTIMATE.start_main_~list~0#1.offset_149| Int) (v_ArrVal_1596 (Array Int Int)) (v_ArrVal_1597 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_149| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_149|)) (= (store (store |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base| 0) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1596) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_1597) |v_ULTIMATE.start_main_~list~0#1.offset_149|) 0) |c_ULTIMATE.start_main_old_#valid#1|))) (= .cse1 0))) is different from false [2022-11-03 02:26:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:54,033 INFO L93 Difference]: Finished difference Result 145 states and 167 transitions. [2022-11-03 02:26:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:26:54,034 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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 [2022-11-03 02:26:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:54,035 INFO L225 Difference]: With dead ends: 145 [2022-11-03 02:26:54,035 INFO L226 Difference]: Without dead ends: 144 [2022-11-03 02:26:54,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=347, Invalid=2963, Unknown=4, NotChecked=226, Total=3540 [2022-11-03 02:26:54,036 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 35 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 298 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:54,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 238 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 351 Invalid, 0 Unknown, 298 Unchecked, 0.5s Time] [2022-11-03 02:26:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-03 02:26:54,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2022-11-03 02:26:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 130 states have (on average 1.2538461538461538) internal successors, (163), 141 states have internal predecessors, (163), 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) [2022-11-03 02:26:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 163 transitions. [2022-11-03 02:26:54,041 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 163 transitions. Word has length 29 [2022-11-03 02:26:54,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:54,042 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 163 transitions. [2022-11-03 02:26:54,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.4242424242424243) internal successors, (80), 33 states have internal predecessors, (80), 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) [2022-11-03 02:26:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 163 transitions. [2022-11-03 02:26:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:26:54,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:54,043 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:54,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:26:54,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-03 02:26:54,248 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 24 more)] === [2022-11-03 02:26:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1046251623, now seen corresponding path program 2 times [2022-11-03 02:26:54,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:54,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256689227] [2022-11-03 02:26:54,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:55,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:55,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256689227] [2022-11-03 02:26:55,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256689227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:26:55,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218805706] [2022-11-03 02:26:55,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:26:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:26:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:55,122 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:26:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a824cea-d526-4128-a5b1-014b92cdfb9b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 02:26:55,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:26:55,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:26:55,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-03 02:26:55,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:55,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:55,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:55,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,621 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:26:55,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:55,765 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:55,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 69 treesize of output 50 [2022-11-03 02:26:55,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 26 [2022-11-03 02:26:55,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:55,864 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:55,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 41 [2022-11-03 02:26:55,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:56,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:56,283 INFO L356 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-03 02:26:56,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 42 [2022-11-03 02:26:56,296 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:56,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:56,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:26:57,158 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_ArrVal_1706 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int)) (or (forall ((v_subst_1 Int)) (or (not (<= 0 v_subst_1)) (= (select (let ((.cse0 (store .cse1 .cse2 v_ArrVal_1706))) (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base| .cse0) (select .cse0 |v_ULTIMATE.start_main_~list~0#1.offset_162|))) v_subst_1) 0) (< 0 v_subst_1))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_ArrVal_1706 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int) (v_ArrVal_1707 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (forall ((v_subst_2 Int)) (or (< 0 v_subst_2) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base| v_ArrVal_1707) (select (store .cse1 .cse2 v_ArrVal_1706) |v_ULTIMATE.start_main_~list~0#1.offset_162|)) v_subst_2) 0) (not (<= 0 v_subst_2)))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|)))))) is different from false [2022-11-03 02:26:57,261 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8)) (.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse0 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (and (forall ((v_ArrVal_1706 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int) (v_ArrVal_1701 Int) (v_ArrVal_1707 (Array Int Int)) (v_ArrVal_1703 Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|)) (forall ((v_subst_2 Int)) (or (< 0 v_subst_2) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse0 v_ArrVal_1701)) |c_ULTIMATE.start_main_~y~0#1.base| v_ArrVal_1707) (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse1 .cse0 v_ArrVal_1703)) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1706) |v_ULTIMATE.start_main_~list~0#1.offset_162|)) v_subst_2) 0) (not (<= 0 v_subst_2)))))) (forall ((v_ArrVal_1706 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int) (v_ArrVal_1703 Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (forall ((v_subst_1 Int)) (or (not (<= 0 v_subst_1)) (< 0 v_subst_1) (= (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse1 .cse0 v_ArrVal_1703)))) (let ((.cse4 (store (select .cse3 |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1706))) (select (store .cse3 |c_ULTIMATE.start_main_~y~0#1.base| .cse4) (select .cse4 |v_ULTIMATE.start_main_~list~0#1.offset_162|)))) v_subst_1) 0))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|)))))) is different from false [2022-11-03 02:26:57,336 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset| |c_ULTIMATE.start_main_~list~0#1.base|)))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)) (.cse2 (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8))) (and (forall ((v_ArrVal_1706 Int) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int) (v_ArrVal_1703 Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (forall ((v_subst_1 Int)) (or (not (<= 0 v_subst_1)) (= (select (let ((.cse0 (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store .cse4 .cse5 v_ArrVal_1703)))) (let ((.cse1 (store (select .cse0 |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1706))) (select (store .cse0 |c_ULTIMATE.start_main_~y~0#1.base| .cse1) (select .cse1 |v_ULTIMATE.start_main_~list~0#1.offset_162|)))) v_subst_1) 0) (< 0 v_subst_1))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|)))) (forall ((v_ArrVal_1706 Int) (v_ArrVal_1698 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_162| Int) (v_ArrVal_1701 Int) (v_ArrVal_1707 (Array Int Int)) (v_ArrVal_1703 Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_162|)) (forall ((v_subst_2 Int)) (or (< 0 v_subst_2) (= (select (select (store (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~y~0#1.base| v_ArrVal_1698))) (store .cse6 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse5 v_ArrVal_1701))) |c_ULTIMATE.start_main_~y~0#1.base| v_ArrVal_1707) (select (store (select (store .cse3 |c_ULTIMATE.start_main_~list~0#1.base| (store .cse4 .cse5 v_ArrVal_1703)) |c_ULTIMATE.start_main_~y~0#1.base|) .cse2 v_ArrVal_1706) |v_ULTIMATE.start_main_~list~0#1.offset_162|)) v_subst_2) 0) (not (<= 0 v_subst_2)))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_162| |c_ULTIMATE.start_main_~y~0#1.offset|))))))) is different from false [2022-11-03 02:27:00,830 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:27:00,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 167 treesize of output 160 [2022-11-03 02:27:00,932 INFO L356 Elim1Store]: treesize reduction 56, result has 54.1 percent of original size [2022-11-03 02:27:00,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 99 [2022-11-03 02:27:00,964 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:27:00,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1484 treesize of output 1435 [2022-11-03 02:27:01,001 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:27:01,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1484 treesize of output 1300 [2022-11-03 02:27:01,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1230 treesize of output 1182 [2022-11-03 02:27:01,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1278 treesize of output 1250 [2022-11-03 02:27:01,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 4 [2022-11-03 02:27:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:01,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 364 treesize of output 362 [2022-11-03 02:27:01,367 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:27:01,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 908 treesize of output 904 [2022-11-03 02:27:02,241 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:27:02,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 37 [2022-11-03 02:27:02,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:02,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:02,428 INFO L356 Elim1Store]: treesize reduction 179, result has 24.5 percent of original size [2022-11-03 02:27:02,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 481412 treesize of output 73292 [2022-11-03 02:27:03,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:03,944 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-03 02:27:03,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 79924 treesize of output 69304 [2022-11-03 02:27:04,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:04,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 57176 treesize of output 49114 [2022-11-03 02:27:05,316 INFO L356 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-03 02:27:05,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37207 treesize of output 32103