./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 --- 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-38b53e6 [2022-11-26 00:06:29,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:06:29,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:06:29,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:06:29,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:06:29,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:06:29,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:06:29,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:06:29,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:06:29,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:06:29,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:06:29,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:06:29,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:06:29,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:06:29,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:06:29,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:06:29,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:06:29,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:06:29,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:06:29,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:06:29,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:06:29,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:06:29,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:06:29,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:06:29,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:06:29,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:06:29,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:06:29,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:06:29,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:06:29,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:06:29,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:06:29,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:06:29,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:06:29,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:06:29,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:06:29,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:06:29,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:06:29,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:06:29,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:06:29,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:06:29,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:06:29,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:06:29,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:06:29,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:06:29,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:06:29,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:06:29,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:06:29,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:06:29,341 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:06:29,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:06:29,341 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:06:29,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:06:29,343 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:06:29,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:06:29,344 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:06:29,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:06:29,344 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:06:29,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:06:29,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:06:29,345 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:06:29,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:06:29,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:06:29,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:06:29,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:06:29,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:06:29,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:06:29,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:06:29,349 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:06:29,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:06:29,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:06:29,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:06:29,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:06:29,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:06:29,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:06:29,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:06:29,352 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:06:29,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:06:29,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:06:29,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:06:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:06:29,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:06:29,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:06:29,354 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_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 [2022-11-26 00:06:29,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:06:29,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:06:29,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:06:29,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:06:29,704 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:06:29,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2022-11-26 00:06:32,815 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:06:33,093 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:06:33,111 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2022-11-26 00:06:33,124 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/data/f75a8e194/dd1a95745c5948eaad26e8bad256907b/FLAGf0fbfc0ad [2022-11-26 00:06:33,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/data/f75a8e194/dd1a95745c5948eaad26e8bad256907b [2022-11-26 00:06:33,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:06:33,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:06:33,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:06:33,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:06:33,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:06:33,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b17ce5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33, skipping insertion in model container [2022-11-26 00:06:33,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:06:33,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:06:33,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:06:33,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:06:33,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:06:33,630 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:06:33,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33 WrapperNode [2022-11-26 00:06:33,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:06:33,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:06:33,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:06:33,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:06:33,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,688 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2022-11-26 00:06:33,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:06:33,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:06:33,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:06:33,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:06:33,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,722 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:06:33,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:06:33,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:06:33,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:06:33,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (1/1) ... [2022-11-26 00:06:33,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:06:33,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:33,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:06:33,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:06:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:06:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:06:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:06:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:06:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:06:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:06:33,996 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:06:33,998 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:06:34,209 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:06:34,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:06:34,325 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:06:34,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:34 BoogieIcfgContainer [2022-11-26 00:06:34,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:06:34,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:06:34,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:06:34,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:06:34,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:06:33" (1/3) ... [2022-11-26 00:06:34,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe7d752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:34, skipping insertion in model container [2022-11-26 00:06:34,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:33" (2/3) ... [2022-11-26 00:06:34,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe7d752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:34, skipping insertion in model container [2022-11-26 00:06:34,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:34" (3/3) ... [2022-11-26 00:06:34,337 INFO L112 eAbstractionObserver]: Analyzing ICFG c.07-alloca.i [2022-11-26 00:06:34,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:06:34,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:06:34,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:06:34,413 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5494f97e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:06:34,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:06:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-11-26 00:06:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:06:34,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:34,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:06:34,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:06:34,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:34,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2284137, now seen corresponding path program 1 times [2022-11-26 00:06:34,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:34,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342404511] [2022-11-26 00:06:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:36,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:36,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342404511] [2022-11-26 00:06:36,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342404511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:36,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:36,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:36,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461845434] [2022-11-26 00:06:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:36,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:06:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:06:36,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:36,780 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 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 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:36,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:36,872 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-11-26 00:06:36,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:06:36,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:06:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:36,886 INFO L225 Difference]: With dead ends: 21 [2022-11-26 00:06:36,886 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:06:36,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:36,897 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:36,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:06:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:06:36,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 00:06:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-11-26 00:06:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-26 00:06:36,936 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4 [2022-11-26 00:06:36,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:36,937 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-26 00:06:36,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-26 00:06:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:06:36,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:36,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:06:36,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:06:36,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:06:36,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:36,942 INFO L85 PathProgramCache]: Analyzing trace with hash 70808306, now seen corresponding path program 1 times [2022-11-26 00:06:36,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:36,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670119277] [2022-11-26 00:06:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:36,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:37,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:37,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670119277] [2022-11-26 00:06:37,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670119277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:37,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:37,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:37,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512816948] [2022-11-26 00:06:37,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:37,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:06:37,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:37,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:06:37,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:37,665 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:37,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:37,703 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-26 00:06:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:06:37,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:06:37,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:37,704 INFO L225 Difference]: With dead ends: 14 [2022-11-26 00:06:37,704 INFO L226 Difference]: Without dead ends: 13 [2022-11-26 00:06:37,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:06:37,706 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:37,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 11 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-26 00:06:37,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-26 00:06:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 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) [2022-11-26 00:06:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-26 00:06:37,710 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 5 [2022-11-26 00:06:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:37,711 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-26 00:06:37,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-26 00:06:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:06:37,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:37,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:06:37,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:06:37,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:06:37,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:37,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2099909749, now seen corresponding path program 1 times [2022-11-26 00:06:37,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:37,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920192034] [2022-11-26 00:06:37,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:37,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:38,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:38,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920192034] [2022-11-26 00:06:38,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920192034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:38,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:38,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:06:38,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263430241] [2022-11-26 00:06:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:38,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:06:38,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:38,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:06:38,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:06:38,213 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-11-26 00:06:38,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:38,361 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-26 00:06:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:06:38,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2022-11-26 00:06:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:38,362 INFO L225 Difference]: With dead ends: 13 [2022-11-26 00:06:38,362 INFO L226 Difference]: Without dead ends: 12 [2022-11-26 00:06:38,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:06:38,370 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:38,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:38,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-26 00:06:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-26 00:06:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.2) internal successors, (12), 11 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) [2022-11-26 00:06:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-26 00:06:38,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2022-11-26 00:06:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:38,380 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-26 00:06:38,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-11-26 00:06:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-26 00:06:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:06:38,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:38,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:38,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:06:38,382 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:06:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:38,384 INFO L85 PathProgramCache]: Analyzing trace with hash -672692716, now seen corresponding path program 1 times [2022-11-26 00:06:38,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:38,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463245999] [2022-11-26 00:06:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:38,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:39,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:39,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463245999] [2022-11-26 00:06:39,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463245999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:39,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:39,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:06:39,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370426815] [2022-11-26 00:06:39,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:39,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:06:39,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:39,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:06:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:06:39,504 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:39,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:39,621 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-11-26 00:06:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:06:39,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:06:39,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:39,623 INFO L225 Difference]: With dead ends: 18 [2022-11-26 00:06:39,623 INFO L226 Difference]: Without dead ends: 17 [2022-11-26 00:06:39,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:06:39,624 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:39,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:39,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-26 00:06:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-26 00:06:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 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) [2022-11-26 00:06:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-26 00:06:39,629 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2022-11-26 00:06:39,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:39,630 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-26 00:06:39,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-26 00:06:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:06:39,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:39,631 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:39,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:06:39,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:06:39,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash 128780383, now seen corresponding path program 1 times [2022-11-26 00:06:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:39,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673904136] [2022-11-26 00:06:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:41,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:41,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673904136] [2022-11-26 00:06:41,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673904136] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:41,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954507658] [2022-11-26 00:06:41,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:41,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:41,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:41,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:41,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:06:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:41,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-26 00:06:41,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:41,827 INFO L321 Elim1Store]: treesize reduction 182, result has 34.8 percent of original size [2022-11-26 00:06:41,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 54 treesize of output 176 [2022-11-26 00:06:41,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-26 00:06:41,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2022-11-26 00:06:41,930 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:41,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 138 [2022-11-26 00:06:42,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:06:42,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:06:42,314 INFO L321 Elim1Store]: treesize reduction 53, result has 13.1 percent of original size [2022-11-26 00:06:42,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 47 [2022-11-26 00:06:42,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-26 00:06:43,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:43,483 INFO L321 Elim1Store]: treesize reduction 151, result has 35.2 percent of original size [2022-11-26 00:06:43,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 16035 treesize of output 13946 [2022-11-26 00:06:45,062 INFO L321 Elim1Store]: treesize reduction 145, result has 35.0 percent of original size [2022-11-26 00:06:45,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 14787 treesize of output 13821 [2022-11-26 00:06:49,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 245 [2022-11-26 00:06:53,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-26 00:06:53,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-26 00:06:53,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-26 00:06:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:53,423 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 1 [2022-11-26 00:06:53,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-11-26 00:06:53,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-26 00:06:53,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:06:53,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-26 00:06:53,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-11-26 00:06:53,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-11-26 00:06:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:53,916 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 1 [2022-11-26 00:06:53,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 59 [2022-11-26 00:06:54,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 118 [2022-11-26 00:06:54,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2022-11-26 00:06:54,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:06:54,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 118 [2022-11-26 00:06:54,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:54,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 34 [2022-11-26 00:06:54,750 INFO L321 Elim1Store]: treesize reduction 71, result has 37.2 percent of original size [2022-11-26 00:06:54,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 87 [2022-11-26 00:06:55,366 INFO L321 Elim1Store]: treesize reduction 48, result has 44.8 percent of original size [2022-11-26 00:06:55,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 97 [2022-11-26 00:06:56,096 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:06:56,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 130 treesize of output 170 [2022-11-26 00:06:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:56,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:03,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954507658] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:03,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1101239855] [2022-11-26 00:07:03,946 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:07:03,947 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:03,963 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:03,976 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:03,977 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:04,244 INFO L321 Elim1Store]: treesize reduction 244, result has 7.9 percent of original size [2022-11-26 00:07:04,245 INFO L350 Elim1Store]: Elim1 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 89 treesize of output 89 [2022-11-26 00:07:04,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:07:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2022-11-26 00:07:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 62 [2022-11-26 00:07:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2022-11-26 00:07:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 73 [2022-11-26 00:07:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 79 [2022-11-26 00:07:05,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,064 INFO L321 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2022-11-26 00:07:06,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 576 treesize of output 532 [2022-11-26 00:07:06,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,708 INFO L321 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2022-11-26 00:07:06,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 590 treesize of output 534 [2022-11-26 00:07:07,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,645 INFO L321 Elim1Store]: treesize reduction 337, result has 9.7 percent of original size [2022-11-26 00:07:07,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 677 treesize of output 593 [2022-11-26 00:07:08,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:08,489 INFO L321 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-11-26 00:07:08,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 619 treesize of output 560 [2022-11-26 00:07:08,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 525 treesize of output 511 [2022-11-26 00:07:08,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:08,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 519 [2022-11-26 00:07:08,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 523 treesize of output 513 [2022-11-26 00:07:09,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:07:09,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:09,319 INFO L321 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-11-26 00:07:09,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 45 [2022-11-26 00:07:09,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:09,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:09,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:09,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:09,702 INFO L321 Elim1Store]: treesize reduction 170, result has 27.7 percent of original size [2022-11-26 00:07:09,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 166 treesize of output 159 [2022-11-26 00:07:11,108 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:07:11,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 243 treesize of output 202 [2022-11-26 00:07:11,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-26 00:07:11,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 157 [2022-11-26 00:07:11,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:07:11,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,546 INFO L321 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-11-26 00:07:11,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 45 [2022-11-26 00:07:11,768 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:14,022 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '263#(and (<= 0 (+ |ULTIMATE.start_test_fun_#in~tmp#1| 2147483648)) (<= |ULTIMATE.start_main_#t~nondet20#1| 2147483647) (<= |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_test_fun_~j#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#in~i#1| 2147483647) (<= |ULTIMATE.start_test_fun_~i#1| 2147483647) (= |ULTIMATE.start_test_fun_#t~malloc6#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~k#1|)) (= |ULTIMATE.start_test_fun_#t~malloc2#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_~k_ref~0#1.offset|) (<= |ULTIMATE.start_main_#t~nondet17#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet17#1|)) (<= 0 (+ |ULTIMATE.start_test_fun_~tmp#1| 2147483648)) (<= 0 |ULTIMATE.start_test_fun_#t~malloc4#1.base|) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~i#1|)) (<= 0 |ULTIMATE.start_test_fun_~i_ref~0#1.base|) (= |ULTIMATE.start_test_fun_#t~malloc5#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_#t~malloc2#1.base|) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~j#1|)) (<= 0 |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|) (<= |ULTIMATE.start_main_#t~nondet19#1| 2147483647) (<= 0 |ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_~i_ref~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_test_fun_~i#1| 2147483648)) (= |ULTIMATE.start_test_fun_#t~malloc3#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_~j_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_~tmp#1| 2147483647) (<= |ULTIMATE.start_test_fun_~j_ref~0#1.offset| 0) (not (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem14#1|))) (<= 0 |ULTIMATE.start_test_fun_~i_ref~0#1.offset|) (<= 0 |ULTIMATE.start_test_fun_~c~0#1.base|) (<= |ULTIMATE.start_main_#t~nondet18#1| 2147483647) (<= 0 |ULTIMATE.start_test_fun_#t~malloc6#1.base|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet20#1|)) (= |ULTIMATE.start_test_fun_#t~malloc4#1.offset| 0) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet19#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet18#1|)) (<= 0 |ULTIMATE.start_test_fun_#t~malloc3#1.base|) (<= |ULTIMATE.start_test_fun_~c~0#1.offset| 0) (<= |ULTIMATE.start_test_fun_~k_ref~0#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_~c~0#1.offset|) (<= |ULTIMATE.start_test_fun_~j#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_fun_~k#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_test_fun_~k_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_#in~j#1| 2147483647) (<= 0 |ULTIMATE.start_test_fun_#t~malloc5#1.base|) (<= |ULTIMATE.start_test_fun_#in~k#1| 2147483647) (<= |ULTIMATE.start_test_fun_~k#1| 2147483647) (<= |ULTIMATE.start_test_fun_#in~tmp#1| 2147483647) (<= 0 |ULTIMATE.start_test_fun_~j_ref~0#1.offset|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:07:14,022 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:07:14,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:07:14,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 17 [2022-11-26 00:07:14,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006083026] [2022-11-26 00:07:14,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:07:14,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-26 00:07:14,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:14,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-26 00:07:14,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=491, Unknown=8, NotChecked=0, Total=600 [2022-11-26 00:07:14,026 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:15,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:15,746 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-26 00:07:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:07:15,746 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:07:15,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:15,747 INFO L225 Difference]: With dead ends: 26 [2022-11-26 00:07:15,748 INFO L226 Difference]: Without dead ends: 25 [2022-11-26 00:07:15,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=216, Invalid=826, Unknown=14, NotChecked=0, Total=1056 [2022-11-26 00:07:15,749 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 20 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:15,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 16 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 66 Invalid, 7 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:07:15,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-26 00:07:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-11-26 00:07:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-26 00:07:15,756 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 10 [2022-11-26 00:07:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:15,757 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-26 00:07:15,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-26 00:07:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:07:15,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:15,758 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1] [2022-11-26 00:07:15,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:07:15,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:15,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:07:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1090653278, now seen corresponding path program 1 times [2022-11-26 00:07:15,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:15,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895150662] [2022-11-26 00:07:15,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:16,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895150662] [2022-11-26 00:07:16,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895150662] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:07:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972260620] [2022-11-26 00:07:16,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:16,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:16,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:16,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:07:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-26 00:07:16,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:16,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-11-26 00:07:17,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:07:17,107 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:17,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-26 00:07:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:17,532 INFO L321 Elim1Store]: treesize reduction 59, result has 47.3 percent of original size [2022-11-26 00:07:17,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 77 [2022-11-26 00:07:18,401 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:07:18,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 176 [2022-11-26 00:07:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:19,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:20,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1688 treesize of output 1632 [2022-11-26 00:07:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:20,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972260620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:20,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [561524227] [2022-11-26 00:07:20,833 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:07:20,833 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:20,833 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:20,834 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:20,834 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:20,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:20,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:20,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:20,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,075 INFO L321 Elim1Store]: treesize reduction 150, result has 29.6 percent of original size [2022-11-26 00:07:21,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 70 [2022-11-26 00:07:21,231 INFO L321 Elim1Store]: treesize reduction 164, result has 11.4 percent of original size [2022-11-26 00:07:21,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:07:21,427 INFO L321 Elim1Store]: treesize reduction 244, result has 7.9 percent of original size [2022-11-26 00:07:21,428 INFO L350 Elim1Store]: Elim1 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 89 treesize of output 89 [2022-11-26 00:07:21,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,070 INFO L321 Elim1Store]: treesize reduction 170, result has 27.7 percent of original size [2022-11-26 00:07:22,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 129 [2022-11-26 00:07:22,554 INFO L321 Elim1Store]: treesize reduction 59, result has 47.8 percent of original size [2022-11-26 00:07:22,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 177 treesize of output 183 [2022-11-26 00:07:22,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:07:22,730 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:22,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,781 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 139 [2022-11-26 00:07:22,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,872 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 132 [2022-11-26 00:07:22,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,992 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 73 [2022-11-26 00:07:23,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,026 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 66 [2022-11-26 00:07:23,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 104 [2022-11-26 00:07:23,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 96 [2022-11-26 00:07:23,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,401 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 103 [2022-11-26 00:07:23,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 111 [2022-11-26 00:07:26,083 INFO L321 Elim1Store]: treesize reduction 75, result has 40.9 percent of original size [2022-11-26 00:07:26,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 3112 treesize of output 2604 [2022-11-26 00:07:26,569 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-26 00:07:26,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-26 00:07:26,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:07:26,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,798 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,828 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:07:26,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:26,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-26 00:07:26,946 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:26,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:26,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2022-11-26 00:07:27,032 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,063 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,103 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:27,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2022-11-26 00:07:27,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:07:27,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:27,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-26 00:07:27,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,365 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:27,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2022-11-26 00:07:27,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:07:27,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:27,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-26 00:07:27,563 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:27,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:27,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2022-11-26 00:07:31,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 125 [2022-11-26 00:07:31,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 119 [2022-11-26 00:07:31,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 111 [2022-11-26 00:07:31,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:07:31,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 171 [2022-11-26 00:07:31,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 85 [2022-11-26 00:07:31,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-26 00:07:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:31,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 79 [2022-11-26 00:07:32,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 264 [2022-11-26 00:07:32,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 437 [2022-11-26 00:07:32,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-11-26 00:07:32,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:32,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 122 [2022-11-26 00:07:33,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 128 [2022-11-26 00:07:33,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-11-26 00:07:33,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 87 [2022-11-26 00:07:33,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:33,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 929 treesize of output 424 [2022-11-26 00:07:34,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:34,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:34,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:34,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2121 treesize of output 1706 [2022-11-26 00:07:35,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:35,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:35,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 284 [2022-11-26 00:07:44,560 INFO L321 Elim1Store]: treesize reduction 75, result has 40.9 percent of original size [2022-11-26 00:07:44,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 13373 treesize of output 10343 [2022-11-26 00:08:07,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:07,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:07,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:07,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1000 treesize of output 306 [2022-11-26 00:08:08,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 480 treesize of output 225 [2022-11-26 00:08:08,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 92 [2022-11-26 00:08:08,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:08,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 400 [2022-11-26 00:08:09,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1278 treesize of output 1 [2022-11-26 00:08:09,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:09,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 362 treesize of output 284 [2022-11-26 00:08:10,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:10,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:10,086 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 103 [2022-11-26 00:08:10,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:10,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:10,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:10,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 477 [2022-11-26 00:08:10,507 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:11,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 559 treesize of output 321 [2022-11-26 00:08:11,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 83 [2022-11-26 00:08:11,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:11,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:11,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 758 treesize of output 349 [2022-11-26 00:08:12,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1723 treesize of output 1 [2022-11-26 00:08:12,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:12,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1150 treesize of output 456 [2022-11-26 00:08:17,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:17,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:17,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:17,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2875 treesize of output 1303 [2022-11-26 00:08:17,291 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:17,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:17,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:17,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 9 [2022-11-26 00:08:17,505 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:17,591 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:17,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:17,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:17,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:18,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:18,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 559 treesize of output 321 [2022-11-26 00:08:18,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:18,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 83 [2022-11-26 00:08:19,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:19,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 702 treesize of output 410 [2022-11-26 00:08:19,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:19,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1357 treesize of output 1114 [2022-11-26 00:08:21,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 448 treesize of output 250 [2022-11-26 00:08:21,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 00:08:21,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 00:08:21,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 00:08:21,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:21,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 38 [2022-11-26 00:08:21,607 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:21,714 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:22,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 116 [2022-11-26 00:08:22,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 118 [2022-11-26 00:08:22,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 62 [2022-11-26 00:08:22,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 45 [2022-11-26 00:08:22,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:22,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 426 treesize of output 325 [2022-11-26 00:08:26,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:26,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:26,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:26,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 572 treesize of output 307 [2022-11-26 00:08:26,488 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:26,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:26,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:26,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2022-11-26 00:08:26,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:28,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:28,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:28,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:28,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3407 treesize of output 88 [2022-11-26 00:08:29,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:29,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:29,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:29,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 893 treesize of output 1 [2022-11-26 00:08:30,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:30,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2022-11-26 00:08:30,516 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:31,028 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:31,117 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:31,248 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:31,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:31,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2022-11-26 00:09:13,502 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 20934 conjuctions. This might take some time... [2022-11-26 00:13:49,885 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 20934 conjuctions. [2022-11-26 00:13:51,234 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 20934 conjuctions. This might take some time... [2022-11-26 00:17:52,183 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 20934 conjuctions. [2022-11-26 00:17:56,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:56,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:56,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:56,444 INFO L321 Elim1Store]: treesize reduction 99, result has 27.7 percent of original size [2022-11-26 00:17:56,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 91 [2022-11-26 00:17:56,531 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:17:56,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 55 treesize of output 36 [2022-11-26 00:17:56,547 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:17:56,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:56,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-11-26 00:17:57,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:17:57,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:57,261 INFO L321 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-11-26 00:17:57,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 45 [2022-11-26 00:17:57,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:57,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:57,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:57,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:57,624 INFO L321 Elim1Store]: treesize reduction 170, result has 27.7 percent of original size [2022-11-26 00:17:57,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 166 treesize of output 159 [2022-11-26 00:17:58,542 INFO L321 Elim1Store]: treesize reduction 59, result has 47.8 percent of original size [2022-11-26 00:17:58,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 288 treesize of output 288 [2022-11-26 00:17:58,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-26 00:17:58,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 185 [2022-11-26 00:17:58,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,808 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 183 [2022-11-26 00:17:58,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,906 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 183 [2022-11-26 00:17:58,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:58,959 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 208 [2022-11-26 00:17:59,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 216 [2022-11-26 00:17:59,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,088 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 368 treesize of output 320 [2022-11-26 00:17:59,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,314 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 176 [2022-11-26 00:17:59,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,410 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 176 [2022-11-26 00:17:59,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,504 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 313 [2022-11-26 00:17:59,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 209 [2022-11-26 00:17:59,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:17:59,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 201 [2022-11-26 00:17:59,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:18:00,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:18:00,071 INFO L321 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-11-26 00:18:00,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 45 [2022-11-26 00:18:00,309 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:18:02,322 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '431#(and (<= 0 |ULTIMATE.start_test_fun_#t~malloc5#1.offset|) (<= 0 (+ |ULTIMATE.start_test_fun_#in~tmp#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#t~malloc4#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_#t~malloc2#1.offset|) (<= |ULTIMATE.start_main_#t~nondet20#1| 2147483647) (<= |ULTIMATE.start_test_fun_#t~malloc2#1.offset| 0) (<= |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_test_fun_~j#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#in~i#1| 2147483647) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~j_ref~0#1.base|) |ULTIMATE.start_test_fun_~j_ref~0#1.offset|) 2147483648)) (<= |ULTIMATE.start_test_fun_~i#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~k#1|)) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_test_fun_~k_ref~0#1.offset|) (<= |ULTIMATE.start_main_#t~nondet17#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet17#1|)) (<= 0 (+ |ULTIMATE.start_test_fun_~tmp#1| 2147483648)) (<= 0 |ULTIMATE.start_test_fun_#t~malloc4#1.base|) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~i#1|)) (<= 0 |ULTIMATE.start_test_fun_~i_ref~0#1.base|) (<= 0 |ULTIMATE.start_test_fun_#t~malloc2#1.base|) (<= 0 (+ 2147483648 |ULTIMATE.start_test_fun_#in~j#1|)) (<= 0 |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|) (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~j_ref~0#1.base|) |ULTIMATE.start_test_fun_~j_ref~0#1.offset|) 2147483647) (<= |ULTIMATE.start_main_#t~nondet19#1| 2147483647) (< 2147483648 |ULTIMATE.start_test_fun_#t~mem15#1|) (<= 0 |ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_~i_ref~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_test_fun_~i#1| 2147483648)) (<= 0 |ULTIMATE.start_test_fun_~j_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_~tmp#1| 2147483647) (<= |ULTIMATE.start_test_fun_~j_ref~0#1.offset| 0) (<= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_test_fun_~k_ref~0#1.base|) |ULTIMATE.start_test_fun_~k_ref~0#1.offset|) |ULTIMATE.start_test_fun_#t~mem15#1|) (<= 0 |ULTIMATE.start_test_fun_~i_ref~0#1.offset|) (<= 0 |ULTIMATE.start_test_fun_~c~0#1.base|) (<= 0 |ULTIMATE.start_test_fun_#t~malloc3#1.offset|) (<= |ULTIMATE.start_main_#t~nondet18#1| 2147483647) (<= |ULTIMATE.start_test_fun_#t~malloc3#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_#t~malloc6#1.base|) (<= 0 |ULTIMATE.start_test_fun_#t~malloc6#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet20#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet19#1|)) (<= 0 (+ 2147483648 |ULTIMATE.start_main_#t~nondet18#1|)) (<= 0 |ULTIMATE.start_test_fun_#t~malloc3#1.base|) (<= |ULTIMATE.start_test_fun_~c~0#1.offset| 0) (<= |ULTIMATE.start_test_fun_~k_ref~0#1.offset| 0) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_test_fun_~c~0#1.offset|) (<= |ULTIMATE.start_test_fun_~j#1| 2147483647) (<= |ULTIMATE.start_test_fun_#t~malloc6#1.offset| 0) (<= 0 (+ |ULTIMATE.start_test_fun_~k#1| 2147483648)) (<= |ULTIMATE.start_test_fun_#t~malloc5#1.offset| 0) (<= 0 |ULTIMATE.start_test_fun_~k_ref~0#1.base|) (<= |ULTIMATE.start_test_fun_#in~j#1| 2147483647) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_test_fun_#t~malloc5#1.base|) (<= |ULTIMATE.start_test_fun_#in~k#1| 2147483647) (<= |ULTIMATE.start_test_fun_~k#1| 2147483647) (<= |ULTIMATE.start_test_fun_#in~tmp#1| 2147483647) (<= 0 |ULTIMATE.start_test_fun_~j_ref~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_test_fun_#t~malloc4#1.offset|))' at error location [2022-11-26 00:18:02,322 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:18:02,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:18:02,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 15 [2022-11-26 00:18:02,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651497103] [2022-11-26 00:18:02,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:18:02,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:18:02,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:18:02,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:18:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:18:02,324 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 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) [2022-11-26 00:18:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:03,084 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-26 00:18:03,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:18:03,085 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 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 13 [2022-11-26 00:18:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:03,086 INFO L225 Difference]: With dead ends: 24 [2022-11-26 00:18:03,086 INFO L226 Difference]: Without dead ends: 23 [2022-11-26 00:18:03,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:18:03,087 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:18:03,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 8 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:18:03,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-26 00:18:03,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-26 00:18:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 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) [2022-11-26 00:18:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-26 00:18:03,093 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 13 [2022-11-26 00:18:03,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:03,093 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-26 00:18:03,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 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) [2022-11-26 00:18:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-26 00:18:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:18:03,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:03,095 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1] [2022-11-26 00:18:03,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:03,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:03,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:18:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:03,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1341477579, now seen corresponding path program 2 times [2022-11-26 00:18:03,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:18:03,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038879157] [2022-11-26 00:18:03,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:18:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:18:04,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:18:04,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038879157] [2022-11-26 00:18:04,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038879157] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:18:04,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49227924] [2022-11-26 00:18:04,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:18:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:18:04,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:18:04,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:18:04,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002db106-2494-47d8-8773-25e0895c765d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:18:04,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-26 00:18:04,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:18:04,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-26 00:18:04,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:04,878 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-26 00:18:04,878 INFO L350 Elim1Store]: Elim1 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 125 treesize of output 117 [2022-11-26 00:18:05,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:18:05,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:18:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:05,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-11-26 00:18:05,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2022-11-26 00:18:05,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 16 [2022-11-26 00:18:05,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-26 00:18:05,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2022-11-26 00:18:05,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-26 00:18:05,580 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:18:05,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2022-11-26 00:18:05,750 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:18:05,751 INFO L350 Elim1Store]: Elim1 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 45 [2022-11-26 00:18:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:05,765 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:05,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 25 [2022-11-26 00:18:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:18:05,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:18:05,857 WARN L837 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1099 Int) (v_ArrVal_1098 (Array Int Int))) (or (not (<= (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset|) v_ArrVal_1099)) (< 0 (+ 2147483650 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| v_ArrVal_1099)) |c_ULTIMATE.start_test_fun_~i_ref~0#1.base| v_ArrVal_1098) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|))))) (not (< 0 (+ (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~k_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~k_ref~0#1.offset|) 2147483648)))) is different from false [2022-11-26 00:18:05,876 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1097 Int) (v_ArrVal_1099 Int) (v_ArrVal_1098 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~k_ref~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~k_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~k_ref~0#1.offset| v_ArrVal_1097)))) (or (not (<= (select (select .cse0 |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset|) v_ArrVal_1099)) (< 0 (+ (select (select (store (store .cse0 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| (store (select .cse0 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| v_ArrVal_1099)) |c_ULTIMATE.start_test_fun_~i_ref~0#1.base| v_ArrVal_1098) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|) 2147483650)) (not (< 0 (+ v_ArrVal_1097 2147483648)))))) is different from false [2022-11-26 00:18:05,914 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1097 Int) (v_ArrVal_1099 Int) (v_ArrVal_1098 (Array Int Int)) (v_ArrVal_1095 (Array Int Int))) (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~j_ref~0#1.base| v_ArrVal_1095))) (store .cse1 |c_ULTIMATE.start_test_fun_~k_ref~0#1.base| (store (select .cse1 |c_ULTIMATE.start_test_fun_~k_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~k_ref~0#1.offset| v_ArrVal_1097))))) (or (not (<= (select (select .cse0 |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset|) v_ArrVal_1099)) (< 0 (+ 2147483650 (select (select (store (store .cse0 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| (store (select .cse0 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| v_ArrVal_1099)) |c_ULTIMATE.start_test_fun_~i_ref~0#1.base| v_ArrVal_1098) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|))) (not (< 0 (+ v_ArrVal_1097 2147483648)))))) is different from false [2022-11-26 00:18:06,123 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1097 Int) (v_ArrVal_1099 Int) (v_ArrVal_1087 (Array Int Int)) (v_ArrVal_1098 (Array Int Int)) (|ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| Int) (v_ArrVal_1090 Int) (v_ArrVal_1095 (Array Int Int)) (v_ArrVal_1094 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~k_ref~0#1.base| v_ArrVal_1087))) (let ((.cse0 (store .cse3 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| (store (select .cse3 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| (select (select .cse3 |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset|))))) (let ((.cse1 (let ((.cse2 (store (store .cse0 |c_ULTIMATE.start_test_fun_~i_ref~0#1.base| (store (select (store .cse3 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| v_ArrVal_1094) |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset| v_ArrVal_1090)) |c_ULTIMATE.start_test_fun_~j_ref~0#1.base| v_ArrVal_1095))) (store .cse2 |c_ULTIMATE.start_test_fun_~k_ref~0#1.base| (store (select .cse2 |c_ULTIMATE.start_test_fun_~k_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~k_ref~0#1.offset| v_ArrVal_1097))))) (or (not (<= (select (select .cse0 |c_ULTIMATE.start_test_fun_~j_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~j_ref~0#1.offset|) v_ArrVal_1090)) (< 0 (+ 2147483650 (select (select (store (store .cse1 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base| (store (select .cse1 |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset| v_ArrVal_1099)) |c_ULTIMATE.start_test_fun_~i_ref~0#1.base| v_ArrVal_1098) |c_ULTIMATE.start_test_fun_~tmp_ref~0#1.base|) |ULTIMATE.start_test_fun_~tmp_ref~0#1.offset|))) (not (<= (select (select .cse1 |c_ULTIMATE.start_test_fun_~i_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~i_ref~0#1.offset|) v_ArrVal_1099)) (not (< 0 (+ v_ArrVal_1097 2147483648)))))))) is different from false [2022-11-26 00:18:06,188 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:06,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 526 treesize of output 318 [2022-11-26 00:18:09,663 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:09,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 373704 treesize of output 373184 [2022-11-26 00:18:10,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49966 treesize of output 47470 [2022-11-26 00:18:12,608 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:12,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51581 treesize of output 51015 [2022-11-26 00:18:15,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329718 treesize of output 309110 [2022-11-26 00:18:17,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 529 [2022-11-26 00:18:25,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-11-26 00:18:25,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2022-11-26 00:18:25,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-11-26 00:18:25,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2022-11-26 00:18:25,745 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-26 00:18:25,786 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-26 00:18:25,814 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-26 00:18:25,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-11-26 00:18:25,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-11-26 00:18:26,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:18:26,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:18:26,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2022-11-26 00:18:26,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:18:26,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:18:52,829 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 429 DAG size of output: 429 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-26 00:18:59,659 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 429 DAG size of output: 429 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)