/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 01:58:43,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 01:58:43,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 01:58:43,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 01:58:43,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 01:58:43,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 01:58:43,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 01:58:43,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 01:58:43,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 01:58:43,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 01:58:43,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 01:58:43,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 01:58:43,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 01:58:43,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 01:58:43,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 01:58:43,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 01:58:43,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 01:58:43,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 01:58:43,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 01:58:43,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 01:58:43,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 01:58:43,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 01:58:43,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 01:58:43,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 01:58:43,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 01:58:43,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 01:58:43,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 01:58:43,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 01:58:43,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 01:58:43,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 01:58:43,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 01:58:43,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 01:58:43,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 01:58:43,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 01:58:43,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 01:58:43,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 01:58:43,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 01:58:43,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 01:58:43,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 01:58:43,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 01:58:43,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 01:58:43,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-19 01:58:43,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 01:58:43,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 01:58:43,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 01:58:43,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 01:58:43,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 01:58:43,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 01:58:43,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 01:58:43,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 01:58:43,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:58:43,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 01:58:43,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 01:58:43,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 01:58:43,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 01:58:43,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 01:58:43,982 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 01:58:44,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 01:58:44,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 01:58:44,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 01:58:44,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 01:58:44,204 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 01:58:44,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2022-01-19 01:58:44,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a094edd/3b429c5ae78e4902ba948dd87f275701/FLAGb1c279b28 [2022-01-19 01:58:44,614 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 01:58:44,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2022-01-19 01:58:44,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a094edd/3b429c5ae78e4902ba948dd87f275701/FLAGb1c279b28 [2022-01-19 01:58:45,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a094edd/3b429c5ae78e4902ba948dd87f275701 [2022-01-19 01:58:45,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 01:58:45,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 01:58:45,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 01:58:45,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 01:58:45,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 01:58:45,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d3476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45, skipping insertion in model container [2022-01-19 01:58:45,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 01:58:45,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 01:58:45,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-01-19 01:58:45,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:58:45,252 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 01:58:45,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2022-01-19 01:58:45,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:58:45,292 INFO L208 MainTranslator]: Completed translation [2022-01-19 01:58:45,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45 WrapperNode [2022-01-19 01:58:45,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 01:58:45,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 01:58:45,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 01:58:45,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 01:58:45,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,345 INFO L137 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2022-01-19 01:58:45,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 01:58:45,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 01:58:45,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 01:58:45,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 01:58:45,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 01:58:45,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 01:58:45,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 01:58:45,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 01:58:45,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (1/1) ... [2022-01-19 01:58:45,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:58:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:58:45,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 01:58:45,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 01:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 01:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 01:58:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 01:58:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 01:58:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 01:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 01:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 01:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 01:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 01:58:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 01:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 01:58:45,463 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 01:58:45,562 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 01:58:45,563 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 01:58:46,012 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 01:58:46,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 01:58:46,226 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-19 01:58:46,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:58:46 BoogieIcfgContainer [2022-01-19 01:58:46,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 01:58:46,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 01:58:46,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 01:58:46,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 01:58:46,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 01:58:45" (1/3) ... [2022-01-19 01:58:46,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ddfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:58:46, skipping insertion in model container [2022-01-19 01:58:46,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:58:45" (2/3) ... [2022-01-19 01:58:46,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606ddfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:58:46, skipping insertion in model container [2022-01-19 01:58:46,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:58:46" (3/3) ... [2022-01-19 01:58:46,235 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2022-01-19 01:58:46,239 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 01:58:46,239 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 01:58:46,239 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 01:58:46,285 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,286 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,287 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,288 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,291 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,298 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,307 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,308 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,310 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,316 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,329 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,329 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,332 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,332 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,332 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,332 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,332 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,333 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,334 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,334 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,334 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,334 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,335 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,336 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:58:46,339 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 01:58:46,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 01:58:46,393 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 01:58:46,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 01:58:46,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 196 transitions, 416 flow [2022-01-19 01:58:46,495 INFO L129 PetriNetUnfolder]: 16/193 cut-off events. [2022-01-19 01:58:46,495 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 01:58:46,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 193 events. 16/193 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 110 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2022-01-19 01:58:46,499 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 196 transitions, 416 flow [2022-01-19 01:58:46,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 182 transitions, 382 flow [2022-01-19 01:58:46,533 INFO L129 PetriNetUnfolder]: 16/181 cut-off events. [2022-01-19 01:58:46,534 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 01:58:46,534 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:58:46,534 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:58:46,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:58:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:58:46,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1467499087, now seen corresponding path program 1 times [2022-01-19 01:58:46,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:58:46,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915396258] [2022-01-19 01:58:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:46,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:58:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:58:46,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:58:46,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915396258] [2022-01-19 01:58:46,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915396258] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:58:46,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:58:46,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 01:58:46,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995947113] [2022-01-19 01:58:46,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:58:46,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 01:58:46,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:58:46,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 01:58:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 01:58:46,812 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 196 [2022-01-19 01:58:46,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 182 transitions, 382 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:46,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:58:46,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 196 [2022-01-19 01:58:46,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:58:46,922 INFO L129 PetriNetUnfolder]: 42/316 cut-off events. [2022-01-19 01:58:46,923 INFO L130 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2022-01-19 01:58:46,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 316 events. 42/316 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 812 event pairs, 15 based on Foata normal form. 42/325 useless extension candidates. Maximal degree in co-relation 229. Up to 59 conditions per place. [2022-01-19 01:58:46,929 INFO L132 encePairwiseOnDemand]: 185/196 looper letters, 9 selfloop transitions, 0 changer transitions 6/171 dead transitions. [2022-01-19 01:58:46,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 171 transitions, 378 flow [2022-01-19 01:58:46,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 01:58:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 01:58:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 370 transitions. [2022-01-19 01:58:46,945 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9438775510204082 [2022-01-19 01:58:46,945 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 370 transitions. [2022-01-19 01:58:46,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 370 transitions. [2022-01-19 01:58:46,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:58:46,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 370 transitions. [2022-01-19 01:58:46,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 185.0) internal successors, (370), 2 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:46,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:46,961 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:46,963 INFO L186 Difference]: Start difference. First operand has 176 places, 182 transitions, 382 flow. Second operand 2 states and 370 transitions. [2022-01-19 01:58:46,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 171 transitions, 378 flow [2022-01-19 01:58:46,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 171 transitions, 366 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 01:58:46,976 INFO L242 Difference]: Finished difference. Result has 171 places, 165 transitions, 336 flow [2022-01-19 01:58:46,977 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=336, PETRI_PLACES=171, PETRI_TRANSITIONS=165} [2022-01-19 01:58:46,979 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -5 predicate places. [2022-01-19 01:58:46,979 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 165 transitions, 336 flow [2022-01-19 01:58:46,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:46,980 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:58:46,980 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:58:46,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 01:58:46,980 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:58:46,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:58:46,981 INFO L85 PathProgramCache]: Analyzing trace with hash -2054653840, now seen corresponding path program 1 times [2022-01-19 01:58:46,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:58:46,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125960401] [2022-01-19 01:58:46,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:46,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:58:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:58:47,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:58:47,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125960401] [2022-01-19 01:58:47,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125960401] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:58:47,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:58:47,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 01:58:47,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916437604] [2022-01-19 01:58:47,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:58:47,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 01:58:47,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:58:47,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 01:58:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 01:58:47,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 196 [2022-01-19 01:58:47,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 165 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:58:47,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 196 [2022-01-19 01:58:47,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:58:47,581 INFO L129 PetriNetUnfolder]: 396/884 cut-off events. [2022-01-19 01:58:47,581 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-01-19 01:58:47,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1498 conditions, 884 events. 396/884 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3802 event pairs, 109 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 1495. Up to 305 conditions per place. [2022-01-19 01:58:47,589 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 51 selfloop transitions, 6 changer transitions 0/174 dead transitions. [2022-01-19 01:58:47,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 174 transitions, 470 flow [2022-01-19 01:58:47,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 01:58:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 01:58:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 838 transitions. [2022-01-19 01:58:47,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7125850340136054 [2022-01-19 01:58:47,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 838 transitions. [2022-01-19 01:58:47,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 838 transitions. [2022-01-19 01:58:47,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:58:47,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 838 transitions. [2022-01-19 01:58:47,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,601 INFO L186 Difference]: Start difference. First operand has 171 places, 165 transitions, 336 flow. Second operand 6 states and 838 transitions. [2022-01-19 01:58:47,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 174 transitions, 470 flow [2022-01-19 01:58:47,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 174 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 01:58:47,608 INFO L242 Difference]: Finished difference. Result has 172 places, 166 transitions, 361 flow [2022-01-19 01:58:47,608 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=361, PETRI_PLACES=172, PETRI_TRANSITIONS=166} [2022-01-19 01:58:47,609 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -4 predicate places. [2022-01-19 01:58:47,609 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 166 transitions, 361 flow [2022-01-19 01:58:47,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,610 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:58:47,610 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:58:47,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 01:58:47,611 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:58:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:58:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash -450776262, now seen corresponding path program 1 times [2022-01-19 01:58:47,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:58:47,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919909778] [2022-01-19 01:58:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:58:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:58:47,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:58:47,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919909778] [2022-01-19 01:58:47,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919909778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:58:47,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:58:47,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 01:58:47,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396463962] [2022-01-19 01:58:47,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:58:47,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 01:58:47,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:58:47,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 01:58:47,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-19 01:58:47,869 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 196 [2022-01-19 01:58:47,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 166 transitions, 361 flow. Second operand has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:47,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:58:47,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 196 [2022-01-19 01:58:47,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:58:48,234 INFO L129 PetriNetUnfolder]: 398/910 cut-off events. [2022-01-19 01:58:48,234 INFO L130 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2022-01-19 01:58:48,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1749 conditions, 910 events. 398/910 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3696 event pairs, 199 based on Foata normal form. 1/721 useless extension candidates. Maximal degree in co-relation 1743. Up to 525 conditions per place. [2022-01-19 01:58:48,240 INFO L132 encePairwiseOnDemand]: 180/196 looper letters, 72 selfloop transitions, 11 changer transitions 23/205 dead transitions. [2022-01-19 01:58:48,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 205 transitions, 657 flow [2022-01-19 01:58:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 01:58:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 01:58:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1114 transitions. [2022-01-19 01:58:48,243 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6315192743764172 [2022-01-19 01:58:48,243 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1114 transitions. [2022-01-19 01:58:48,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1114 transitions. [2022-01-19 01:58:48,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:58:48,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1114 transitions. [2022-01-19 01:58:48,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:48,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:48,250 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:48,250 INFO L186 Difference]: Start difference. First operand has 172 places, 166 transitions, 361 flow. Second operand 9 states and 1114 transitions. [2022-01-19 01:58:48,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 205 transitions, 657 flow [2022-01-19 01:58:48,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 205 transitions, 645 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:58:48,257 INFO L242 Difference]: Finished difference. Result has 180 places, 168 transitions, 399 flow [2022-01-19 01:58:48,258 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=168} [2022-01-19 01:58:48,260 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2022-01-19 01:58:48,260 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 168 transitions, 399 flow [2022-01-19 01:58:48,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:48,261 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:58:48,261 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:58:48,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 01:58:48,261 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:58:48,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:58:48,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2061839142, now seen corresponding path program 1 times [2022-01-19 01:58:48,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:58:48,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498946076] [2022-01-19 01:58:48,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:48,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:58:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:58:48,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:58:48,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498946076] [2022-01-19 01:58:48,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498946076] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:58:48,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017811037] [2022-01-19 01:58:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:48,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:58:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:58:48,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:58:48,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 01:58:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:48,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 01:58:48,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:58:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:58:48,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:58:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:58:49,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017811037] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 01:58:49,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 01:58:49,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-19 01:58:49,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94443091] [2022-01-19 01:58:49,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:58:49,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 01:58:49,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:58:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 01:58:49,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-19 01:58:49,266 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 196 [2022-01-19 01:58:49,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 168 transitions, 399 flow. Second operand has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:49,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:58:49,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 196 [2022-01-19 01:58:49,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:58:49,407 INFO L129 PetriNetUnfolder]: 171/653 cut-off events. [2022-01-19 01:58:49,407 INFO L130 PetriNetUnfolder]: For 160/180 co-relation queries the response was YES. [2022-01-19 01:58:49,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 653 events. 171/653 cut-off events. For 160/180 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3024 event pairs, 80 based on Foata normal form. 20/627 useless extension candidates. Maximal degree in co-relation 1096. Up to 148 conditions per place. [2022-01-19 01:58:49,413 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 48 selfloop transitions, 7 changer transitions 0/177 dead transitions. [2022-01-19 01:58:49,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 177 transitions, 538 flow [2022-01-19 01:58:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 01:58:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 01:58:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1039 transitions. [2022-01-19 01:58:49,415 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7572886297376094 [2022-01-19 01:58:49,415 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1039 transitions. [2022-01-19 01:58:49,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1039 transitions. [2022-01-19 01:58:49,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:58:49,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1039 transitions. [2022-01-19 01:58:49,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 148.42857142857142) internal successors, (1039), 7 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:49,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:49,421 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:49,421 INFO L186 Difference]: Start difference. First operand has 180 places, 168 transitions, 399 flow. Second operand 7 states and 1039 transitions. [2022-01-19 01:58:49,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 177 transitions, 538 flow [2022-01-19 01:58:49,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 177 transitions, 512 flow, removed 3 selfloop flow, removed 7 redundant places. [2022-01-19 01:58:49,426 INFO L242 Difference]: Finished difference. Result has 180 places, 170 transitions, 407 flow [2022-01-19 01:58:49,427 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=170} [2022-01-19 01:58:49,427 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2022-01-19 01:58:49,427 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 170 transitions, 407 flow [2022-01-19 01:58:49,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:49,428 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:58:49,428 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:58:49,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 01:58:49,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:58:49,651 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:58:49,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:58:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash -880522480, now seen corresponding path program 1 times [2022-01-19 01:58:49,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:58:49,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100306894] [2022-01-19 01:58:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:49,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:58:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:58:51,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:58:51,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100306894] [2022-01-19 01:58:51,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100306894] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:58:51,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36036051] [2022-01-19 01:58:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:58:51,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:58:51,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:58:51,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:58:51,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 01:58:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:58:51,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 78 conjunts are in the unsatisfiable core [2022-01-19 01:58:51,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:58:53,993 INFO L353 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-01-19 01:58:53,994 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 57 [2022-01-19 01:58:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:58:54,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:58:55,387 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:58:55,387 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 128 [2022-01-19 01:58:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:58:57,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36036051] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:58:57,365 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:58:57,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 34, 23] total 79 [2022-01-19 01:58:57,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415809454] [2022-01-19 01:58:57,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:58:57,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-01-19 01:58:57,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:58:57,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-01-19 01:58:57,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=753, Invalid=5409, Unknown=0, NotChecked=0, Total=6162 [2022-01-19 01:58:57,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 196 [2022-01-19 01:58:57,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 170 transitions, 407 flow. Second operand has 79 states, 79 states have (on average 63.48101265822785) internal successors, (5015), 79 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:58:57,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:58:57,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 196 [2022-01-19 01:58:57,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:59:20,066 INFO L129 PetriNetUnfolder]: 15059/23794 cut-off events. [2022-01-19 01:59:20,067 INFO L130 PetriNetUnfolder]: For 8775/8775 co-relation queries the response was YES. [2022-01-19 01:59:20,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53434 conditions, 23794 events. 15059/23794 cut-off events. For 8775/8775 co-relation queries the response was YES. Maximal size of possible extension queue 1087. Compared 175156 event pairs, 1404 based on Foata normal form. 2/22420 useless extension candidates. Maximal degree in co-relation 53424. Up to 5409 conditions per place. [2022-01-19 01:59:20,225 INFO L132 encePairwiseOnDemand]: 140/196 looper letters, 750 selfloop transitions, 284 changer transitions 15/1102 dead transitions. [2022-01-19 01:59:20,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1102 transitions, 4988 flow [2022-01-19 01:59:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-01-19 01:59:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2022-01-19 01:59:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 7408 transitions. [2022-01-19 01:59:20,248 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.35656526761648055 [2022-01-19 01:59:20,248 INFO L72 ComplementDD]: Start complementDD. Operand 106 states and 7408 transitions. [2022-01-19 01:59:20,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 7408 transitions. [2022-01-19 01:59:20,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:59:20,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 106 states and 7408 transitions. [2022-01-19 01:59:20,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 107 states, 106 states have (on average 69.88679245283019) internal successors, (7408), 106 states have internal predecessors, (7408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:59:20,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 107 states, 107 states have (on average 196.0) internal successors, (20972), 107 states have internal predecessors, (20972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:59:20,304 INFO L81 ComplementDD]: Finished complementDD. Result has 107 states, 107 states have (on average 196.0) internal successors, (20972), 107 states have internal predecessors, (20972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:59:20,304 INFO L186 Difference]: Start difference. First operand has 180 places, 170 transitions, 407 flow. Second operand 106 states and 7408 transitions. [2022-01-19 01:59:20,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1102 transitions, 4988 flow [2022-01-19 01:59:20,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1102 transitions, 4913 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:59:20,391 INFO L242 Difference]: Finished difference. Result has 346 places, 454 transitions, 2337 flow [2022-01-19 01:59:20,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=106, PETRI_FLOW=2337, PETRI_PLACES=346, PETRI_TRANSITIONS=454} [2022-01-19 01:59:20,393 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 170 predicate places. [2022-01-19 01:59:20,393 INFO L470 AbstractCegarLoop]: Abstraction has has 346 places, 454 transitions, 2337 flow [2022-01-19 01:59:20,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 63.48101265822785) internal successors, (5015), 79 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:59:20,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:59:20,395 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:59:20,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 01:59:20,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:59:20,612 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:59:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:59:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1008029996, now seen corresponding path program 2 times [2022-01-19 01:59:20,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:59:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977580483] [2022-01-19 01:59:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:59:20,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:59:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:59:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:59:22,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:59:22,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977580483] [2022-01-19 01:59:22,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977580483] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:59:22,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532310099] [2022-01-19 01:59:22,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 01:59:22,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:59:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:59:22,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:59:22,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 01:59:22,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 01:59:22,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:59:22,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 102 conjunts are in the unsatisfiable core [2022-01-19 01:59:22,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:59:22,893 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 01:59:23,125 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-19 01:59:23,840 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-19 01:59:23,840 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-19 01:59:24,202 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-19 01:59:25,052 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 01:59:25,330 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 01:59:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:25,812 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2022-01-19 01:59:26,041 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:59:26,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 40 [2022-01-19 01:59:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:59:26,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:59:26,907 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))) c_~res1~0)) (forall ((v_ArrVal_176 (Array Int Int))) (<= c_~res1~0 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse3 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset))))))) (not (< ~M~0 c_~N~0)))) is different from false [2022-01-19 01:59:27,160 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= |c_thread1Thread1of1ForFork2_~tmp~0#1| (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))))) (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse3 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset)))) |c_thread1Thread1of1ForFork2_~tmp~0#1|))) (not (< ~M~0 c_~N~0)))) is different from false [2022-01-19 01:59:27,198 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse0 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse0)) c_~res1~0)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset)))))) (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)))) (let ((.cse5 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse5)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse5)) c_~res1~0))))))) is different from false [2022-01-19 01:59:27,441 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select .cse2 c_~B~0.base) (+ c_~B~0.offset .cse3)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) c_~res1~0))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse5 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset .cse5)) (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res1~0)) (let ((.cse6 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse7 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse6 c_~A~0.base) (+ c_~A~0.offset .cse7)) (select (select .cse6 c_~B~0.base) (+ .cse7 c_~B~0.offset)))))))))) is different from false [2022-01-19 01:59:27,609 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse0 c_~B~0.base) c_~B~0.offset)) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset))))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)))) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse5 c_~B~0.base) c_~B~0.offset)))))))) is different from false [2022-01-19 01:59:27,695 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select .cse0 c_~B~0.base) c_~B~0.offset) c_~res1~0) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset)) c_~res2~0))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)) c_~res2~0)) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) (select (select .cse5 c_~B~0.base) c_~B~0.offset) c_~res1~0))))))) is different from false [2022-01-19 01:59:28,057 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse0 |c_ULTIMATE.start_main_#t~ret19#1.base|) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) c_~res2~0 (select (select .cse1 |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ .cse2 |c_ULTIMATE.start_main_#t~ret19#1.offset|))))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) c_~res2~0 (select (select .cse3 |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ .cse4 |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse5 |c_ULTIMATE.start_main_#t~ret19#1.base|) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))))))) is different from false [2022-01-19 01:59:28,135 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) c_~res2~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (+ (select (select .cse2 c_~A~0.base) c_~A~0.offset) (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~res1~0)))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse3 c_~A~0.base) c_~A~0.offset) (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~res1~0) (let ((.cse4 (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse5 (* ~M~0 4))) (+ (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res2~0 (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))))))))) is different from false [2022-01-19 01:59:28,178 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) c_~res2~0)) (+ (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse2 c_~A~0.base) c_~A~0.offset) c_~res1~0)))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse3 c_~A~0.base) c_~A~0.offset) c_~res1~0) (let ((.cse4 (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse5 (* ~M~0 4))) (+ (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res2~0)))))))) is different from false [2022-01-19 01:59:42,627 INFO L353 Elim1Store]: treesize reduction 46, result has 60.0 percent of original size [2022-01-19 01:59:42,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 383 treesize of output 196 [2022-01-19 01:59:42,747 INFO L353 Elim1Store]: treesize reduction 98, result has 33.3 percent of original size [2022-01-19 01:59:42,749 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 1196155 treesize of output 1065119 [2022-01-19 01:59:45,086 INFO L353 Elim1Store]: treesize reduction 100, result has 32.0 percent of original size [2022-01-19 01:59:45,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 1364054 treesize of output 1331320 [2022-01-19 01:59:50,376 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:59:50,378 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1325981 treesize of output 1129390 [2022-01-19 01:59:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:52,949 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:59:52,952 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 1129373 treesize of output 1043182 [2022-01-19 01:59:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:55,508 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:59:55,510 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 1043165 treesize of output 860910 [2022-01-19 01:59:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:59:58,050 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:59:58,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 860893 treesize of output 815470 [2022-01-19 02:00:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 02:00:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 02:00:00,579 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:00:00,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 815453 treesize of output 793790 [2022-01-19 02:00:03,117 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:00:03,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 793773 treesize of output 744638 [2022-01-19 02:00:05,573 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2022-01-19 02:00:05,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 02:00:05,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 02:00:05,788 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-01-19 02:00:05,790 INFO L158 Benchmark]: Toolchain (without parser) took 80750.11ms. Allocated memory was 396.4MB in the beginning and 1.1GB in the end (delta: 698.4MB). Free memory was 343.0MB in the beginning and 265.3MB in the end (delta: 77.7MB). Peak memory consumption was 808.9MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,790 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 396.4MB. Free memory is still 359.2MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 02:00:05,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.37ms. Allocated memory was 396.4MB in the beginning and 476.1MB in the end (delta: 79.7MB). Free memory was 342.8MB in the beginning and 448.1MB in the end (delta: -105.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 476.1MB. Free memory was 448.1MB in the beginning and 445.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,791 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 476.1MB. Free memory was 445.0MB in the beginning and 442.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,791 INFO L158 Benchmark]: RCFGBuilder took 854.91ms. Allocated memory is still 476.1MB. Free memory was 442.9MB in the beginning and 391.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,792 INFO L158 Benchmark]: TraceAbstraction took 79560.23ms. Allocated memory was 476.1MB in the beginning and 1.1GB in the end (delta: 618.7MB). Free memory was 390.4MB in the beginning and 265.3MB in the end (delta: 125.1MB). Peak memory consumption was 777.9MB. Max. memory is 16.0GB. [2022-01-19 02:00:05,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 396.4MB. Free memory is still 359.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 249.37ms. Allocated memory was 396.4MB in the beginning and 476.1MB in the end (delta: 79.7MB). Free memory was 342.8MB in the beginning and 448.1MB in the end (delta: -105.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 476.1MB. Free memory was 448.1MB in the beginning and 445.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 476.1MB. Free memory was 445.0MB in the beginning and 442.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 854.91ms. Allocated memory is still 476.1MB. Free memory was 442.9MB in the beginning and 391.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.0GB. * TraceAbstraction took 79560.23ms. Allocated memory was 476.1MB in the beginning and 1.1GB in the end (delta: 618.7MB). Free memory was 390.4MB in the beginning and 265.3MB in the end (delta: 125.1MB). Peak memory consumption was 777.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-19 02:00:05,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...