/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 21:35:14,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 21:35:14,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 21:35:14,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 21:35:14,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 21:35:14,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 21:35:14,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 21:35:14,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 21:35:14,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 21:35:14,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 21:35:14,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 21:35:14,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 21:35:14,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 21:35:14,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 21:35:14,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 21:35:14,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 21:35:14,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 21:35:14,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 21:35:14,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 21:35:14,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 21:35:14,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 21:35:14,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 21:35:14,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 21:35:14,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 21:35:14,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 21:35:14,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 21:35:14,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 21:35:14,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 21:35:14,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-06 21:35:14,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 21:35:14,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 21:35:14,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 21:35:14,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 21:35:14,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 21:35:14,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 21:35:14,533 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 21:35:14,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 21:35:14,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 21:35:14,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 21:35:14,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 21:35:14,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 21:35:14,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 21:35:14,535 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-06 21:35:14,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-06 21:35:14,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 21:35:14,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 21:35:14,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 21:35:14,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 21:35:14,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 21:35:14,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:35:14,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 21:35:14,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 21:35:14,540 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-06 21:35:14,540 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-06 21:35:14,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 21:35:14,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-06 21:35:14,541 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 21:35:14,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 21:35:14,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 21:35:14,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 21:35:14,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 21:35:14,962 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 21:35:14,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c [2021-10-06 21:35:15,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c919894bb/48b3eee6907e4067bbfbb0ae04287b02/FLAG0f37347a0 [2021-10-06 21:35:15,815 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 21:35:15,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c [2021-10-06 21:35:15,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c919894bb/48b3eee6907e4067bbfbb0ae04287b02/FLAG0f37347a0 [2021-10-06 21:35:16,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c919894bb/48b3eee6907e4067bbfbb0ae04287b02 [2021-10-06 21:35:16,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 21:35:16,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-06 21:35:16,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 21:35:16,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 21:35:16,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 21:35:16,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ebb65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16, skipping insertion in model container [2021-10-06 21:35:16,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 21:35:16,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:35:16,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c[3294,3307] [2021-10-06 21:35:16,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:16,415 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-06 21:35:16,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:35:16,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c[3294,3307] [2021-10-06 21:35:16,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:16,452 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 21:35:16,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more/buffer-mult.wvr.c[3294,3307] [2021-10-06 21:35:16,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:35:16,507 INFO L208 MainTranslator]: Completed translation [2021-10-06 21:35:16,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16 WrapperNode [2021-10-06 21:35:16,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 21:35:16,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 21:35:16,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 21:35:16,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 21:35:16,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 21:35:16,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 21:35:16,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 21:35:16,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 21:35:16,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 21:35:16,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 21:35:16,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 21:35:16,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 21:35:16,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (1/1) ... [2021-10-06 21:35:16,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:35:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 21:35:16,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 21:35:16,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 21:35:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-06 21:35:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 21:35:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-06 21:35:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 21:35:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 21:35:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 21:35:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 21:35:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 21:35:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 21:35:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-06 21:35:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-06 21:35:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 21:35:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 21:35:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 21:35:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 21:35:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 21:35:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 21:35:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-06 21:35:16,736 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 21:35:18,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 21:35:18,422 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-06 21:35:18,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:35:18 BoogieIcfgContainer [2021-10-06 21:35:18,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 21:35:18,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 21:35:18,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 21:35:18,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 21:35:18,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:35:16" (1/3) ... [2021-10-06 21:35:18,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5607f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:35:18, skipping insertion in model container [2021-10-06 21:35:18,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:35:16" (2/3) ... [2021-10-06 21:35:18,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5607f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:35:18, skipping insertion in model container [2021-10-06 21:35:18,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:35:18" (3/3) ... [2021-10-06 21:35:18,433 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult.wvr.c [2021-10-06 21:35:18,438 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 21:35:18,438 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-06 21:35:18,438 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 21:35:18,477 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,478 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,478 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,479 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,480 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,480 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,480 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,482 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,482 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,483 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,483 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,483 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,483 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,484 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,484 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,484 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,484 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,484 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,485 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,485 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,485 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,485 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,485 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,486 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,486 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,486 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,487 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,487 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,487 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,487 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,487 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,488 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,488 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,488 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,488 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,488 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,489 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,489 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,489 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,490 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,490 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,490 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,490 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,491 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,491 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,491 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,491 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,492 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,492 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,492 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,492 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,492 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,493 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,493 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,493 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,497 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,498 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,498 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,498 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,500 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,500 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,501 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,501 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,501 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,501 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,504 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,504 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,504 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,504 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,504 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,505 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,507 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,507 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,507 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,508 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,508 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,508 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:35:18,515 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-06 21:35:18,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 21:35:18,609 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-06 21:35:18,610 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-10-06 21:35:18,646 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 21:35:18,660 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 208 transitions, 448 flow [2021-10-06 21:35:18,664 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 208 transitions, 448 flow [2021-10-06 21:35:18,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 208 transitions, 448 flow [2021-10-06 21:35:18,814 INFO L129 PetriNetUnfolder]: 16/204 cut-off events. [2021-10-06 21:35:18,814 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-06 21:35:18,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 204 events. 16/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 171 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2021-10-06 21:35:18,827 INFO L116 LiptonReduction]: Number of co-enabled transitions 2156 [2021-10-06 21:35:50,377 INFO L131 LiptonReduction]: Checked pairs total: 5690 [2021-10-06 21:35:50,377 INFO L133 LiptonReduction]: Total number of compositions: 200 [2021-10-06 21:35:50,396 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 67 transitions, 166 flow [2021-10-06 21:35:50,597 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3753 states, 3347 states have (on average 4.950702121302659) internal successors, (16570), 3752 states have internal predecessors, (16570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 21:35:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 3753 states, 3347 states have (on average 4.950702121302659) internal successors, (16570), 3752 states have internal predecessors, (16570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 21:35:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:35:50,622 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:35:50,623 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:35:50,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 38 more)] === [2021-10-06 21:35:50,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:35:50,659 INFO L82 PathProgramCache]: Analyzing trace with hash 28571, now seen corresponding path program 1 times [2021-10-06 21:35:50,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:35:50,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643647399] [2021-10-06 21:35:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:35:50,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:35:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:35:50,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:35:50,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-06 21:35:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 21:35:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-06 21:35:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 21:35:50,998 INFO L354 Elim1Store]: treesize reduction 152, result has 17.8 percent of original size [2021-10-06 21:35:50,999 INFO L388 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 4 case distinctions, treesize of input 18 treesize of output 38 [2021-10-06 21:35:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:35:51,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-06 21:35:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 21:35:51,059 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-06 21:35:51,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643647399] [2021-10-06 21:35:51,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643647399] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-06 21:35:51,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-06 21:35:51,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-06 21:35:51,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184311780] [2021-10-06 21:35:51,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 21:35:51,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-06 21:35:51,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 21:35:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 21:35:51,102 INFO L87 Difference]: Start difference. First operand has 3753 states, 3347 states have (on average 4.950702121302659) internal successors, (16570), 3752 states have internal predecessors, (16570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 21:35:51,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 21:35:51,437 INFO L93 Difference]: Finished difference Result 3750 states and 16567 transitions. [2021-10-06 21:35:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 21:35:51,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-06 21:35:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 21:35:51,515 INFO L225 Difference]: With dead ends: 3750 [2021-10-06 21:35:51,516 INFO L226 Difference]: Without dead ends: 3750 [2021-10-06 21:35:51,517 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 21:35:51,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3750 states. [2021-10-06 21:35:51,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3750 to 3750. [2021-10-06 21:35:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3750 states, 3347 states have (on average 4.9498057962354345) internal successors, (16567), 3749 states have internal predecessors, (16567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 21:35:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3750 states to 3750 states and 16567 transitions. [2021-10-06 21:35:51,860 INFO L78 Accepts]: Start accepts. Automaton has 3750 states and 16567 transitions. Word has length 2 [2021-10-06 21:35:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 21:35:51,862 INFO L470 AbstractCegarLoop]: Abstraction has 3750 states and 16567 transitions. [2021-10-06 21:35:51,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 21:35:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3750 states and 16567 transitions. [2021-10-06 21:35:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:35:51,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:35:51,863 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:35:51,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-06 21:35:52,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:35:52,081 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 38 more)] === [2021-10-06 21:35:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:35:52,084 INFO L82 PathProgramCache]: Analyzing trace with hash 28573, now seen corresponding path program 1 times [2021-10-06 21:35:52,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:35:52,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2351719] [2021-10-06 21:35:52,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:35:52,089 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:35:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:35:52,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:35:52,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-06 21:35:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:35:52,226 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 21:35:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:35:52,350 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-06 21:35:52,351 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 21:35:52,353 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-06 21:35:52,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-06 21:35:52,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-06 21:35:52,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-06 21:35:52,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-06 21:35:52,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-06 21:35:52,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-06 21:35:52,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-06 21:35:52,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-06 21:35:52,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-06 21:35:52,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-06 21:35:52,360 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-06 21:35:52,360 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-06 21:35:52,360 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-06 21:35:52,360 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-06 21:35:52,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-06 21:35:52,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-06 21:35:52,361 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-06 21:35:52,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-06 21:35:52,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-06 21:35:52,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:35:52,362 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:35:52,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 21:35:52,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 21:35:52,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 21:35:52,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-06 21:35:52,363 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,364 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,365 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0REQUIRES_VIOLATION [2021-10-06 21:35:52,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1REQUIRES_VIOLATION [2021-10-06 21:35:52,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-06 21:35:52,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:35:52,590 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 21:35:52,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 21:35:52,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:35:52 BasicIcfg [2021-10-06 21:35:52,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 21:35:52,624 INFO L168 Benchmark]: Toolchain (without parser) took 36498.70 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 127.1 MB in the beginning and 99.6 MB in the end (delta: 27.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,625 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 211.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 21:35:52,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.46 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 113.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.54 ms. Allocated memory is still 153.1 MB. Free memory was 113.1 MB in the beginning and 110.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,635 INFO L168 Benchmark]: Boogie Preprocessor took 47.29 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 108.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,635 INFO L168 Benchmark]: RCFGBuilder took 1809.33 ms. Allocated memory is still 153.1 MB. Free memory was 108.8 MB in the beginning and 106.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,636 INFO L168 Benchmark]: TraceAbstraction took 34195.91 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.5 MB in the beginning and 99.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 37.4 MB. Max. memory is 8.0 GB. [2021-10-06 21:35:52,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 211.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 372.46 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 113.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.54 ms. Allocated memory is still 153.1 MB. Free memory was 113.1 MB in the beginning and 110.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.29 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 108.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1809.33 ms. Allocated memory is still 153.1 MB. Free memory was 108.8 MB in the beginning and 106.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 34195.91 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.5 MB in the beginning and 99.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 37.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31713.6ms, 205 PlacesBefore, 74 PlacesAfterwards, 208 TransitionsBefore, 67 TransitionsAfterwards, 2156 CoEnabledTransitionPairs, 7 FixpointIterations, 123 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 8 ConcurrentYvCompositions, 10 ChoiceCompositions, 200 TotalNumberOfCompositions, 5690 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3599, positive: 3471, positive conditional: 0, positive unconditional: 3471, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1189, positive: 1165, positive conditional: 0, positive unconditional: 1165, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1189, positive: 1152, positive conditional: 0, positive unconditional: 1152, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2003, positive: 1100, positive conditional: 0, positive unconditional: 1100, negative: 903, negative conditional: 0, negative unconditional: 903, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3599, positive: 2306, positive conditional: 0, positive unconditional: 2306, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 1189, unknown conditional: 0, unknown unconditional: 1189] , Statistics on independence cache: Total cache size (in pairs): 272, Positive cache size: 262, Positive conditional cache size: 0, Positive unconditional cache size: 262, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 124]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L38] int *q1, *q2; [L39] int q1_front, q1_back, q2_front, q2_back, i, j, n1, n2, N, C, total; [L90] pthread_t t1, t2, t3, t4; [L92] C = __VERIFIER_nondet_int() [L93] N = __VERIFIER_nondet_int() [L94] n1 = __VERIFIER_nondet_int() [L95] n2 = __VERIFIER_nondet_int() [L96] q1_front = __VERIFIER_nondet_int() [L97] q1_back = q1_front [L98] q2_front = __VERIFIER_nondet_int() [L99] q2_back = q2_front [L35] COND FALSE !(!cond) [L122] int* arr = (int*)malloc(sizeof(int) * size); [L123] int i = 0; VAL [i=0, j=0, n1=1073741824, q1={0:0}, q1_back=5, q1_front=5, q2={0:0}, q2_back=6, q2_front=6, total=0] [L123] COND TRUE i < size [L124] arr[i] = __VERIFIER_nondet_int() - UnprovableResult [Line: 47]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 111]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 111]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 223 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 33993.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 25.3ms, AutomataDifference: 448.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 31986.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 29 SDtfs, 57 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 148.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3753occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 326.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.9ms SsaConstructionTime, 108.4ms SatisfiabilityAnalysisTime, 295.2ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 5 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-06 21:35:52,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...