/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 03:07:37,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 03:07:37,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 03:07:37,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 03:07:37,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 03:07:37,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 03:07:37,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 03:07:37,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 03:07:37,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 03:07:37,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 03:07:37,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 03:07:37,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 03:07:37,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 03:07:37,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 03:07:37,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 03:07:37,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 03:07:37,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 03:07:37,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 03:07:37,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 03:07:37,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 03:07:37,910 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-FA-NoLbe.epf [2021-06-05 03:07:37,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 03:07:37,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 03:07:37,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 03:07:37,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 03:07:37,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 03:07:37,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 03:07:37,952 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 03:07:37,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 03:07:37,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 03:07:37,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 03:07:37,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 03:07:37,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 03:07:37,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 03:07:37,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 03:07:37,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 03:07:37,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 03:07:38,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 03:07:38,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 03:07:38,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 03:07:38,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 03:07:38,297 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 03:07:38,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-05 03:07:38,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d679f87f/520dfbbd1cd34d768e171e4c02663547/FLAGf0f618209 [2021-06-05 03:07:38,809 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 03:07:38,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-05 03:07:38,809 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 03:07:38,810 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 03:07:38,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d679f87f/520dfbbd1cd34d768e171e4c02663547/FLAGf0f618209 [2021-06-05 03:07:39,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d679f87f/520dfbbd1cd34d768e171e4c02663547 [2021-06-05 03:07:39,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 03:07:39,359 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 03:07:39,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 03:07:39,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 03:07:39,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 03:07:39,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c25e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39, skipping insertion in model container [2021-06-05 03:07:39,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 03:07:39,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 03:07:39,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 03:07:39,506 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 03:07:39,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 03:07:39,534 INFO L208 MainTranslator]: Completed translation [2021-06-05 03:07:39,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39 WrapperNode [2021-06-05 03:07:39,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 03:07:39,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 03:07:39,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 03:07:39,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 03:07:39,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 03:07:39,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 03:07:39,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 03:07:39,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 03:07:39,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... [2021-06-05 03:07:39,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 03:07:39,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 03:07:39,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 03:07:39,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 03:07:39,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 03:07:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-05 03:07:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 03:07:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-06-05 03:07:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-06-05 03:07:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 03:07:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 03:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 03:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 03:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-05 03:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 03:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 03:07:39,691 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 03:07:39,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 03:07:39,943 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-05 03:07:39,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:07:39 BoogieIcfgContainer [2021-06-05 03:07:39,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 03:07:39,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 03:07:39,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 03:07:39,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 03:07:39,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 03:07:39" (1/3) ... [2021-06-05 03:07:39,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f5d76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:07:39, skipping insertion in model container [2021-06-05 03:07:39,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 03:07:39" (2/3) ... [2021-06-05 03:07:39,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f5d76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 03:07:39, skipping insertion in model container [2021-06-05 03:07:39,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 03:07:39" (3/3) ... [2021-06-05 03:07:39,958 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-06-05 03:07:39,963 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 03:07:39,963 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 03:07:39,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 03:07:39,964 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 03:07:40,011 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,011 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,011 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,011 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,012 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,012 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,012 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,012 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,012 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,013 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,014 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,015 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,016 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,017 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,018 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,018 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,018 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,020 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,020 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,020 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,021 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 03:07:40,045 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 03:07:40,065 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 03:07:40,092 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 03:07:40,092 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 03:07:40,092 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 03:07:40,092 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 03:07:40,093 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 03:07:40,093 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 03:07:40,093 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 03:07:40,093 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 03:07:40,111 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 45 transitions, 98 flow [2021-06-05 03:07:40,129 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:07:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:07:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 03:07:40,140 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 03:07:40,141 INFO L521 BasicCegarLoop]: 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] [2021-06-05 03:07:40,142 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 03:07:40,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 03:07:40,155 INFO L82 PathProgramCache]: Analyzing trace with hash -831684821, now seen corresponding path program 1 times [2021-06-05 03:07:40,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 03:07:40,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419957505] [2021-06-05 03:07:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 03:07:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 03:07:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 03:07:40,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 03:07:40,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419957505] [2021-06-05 03:07:40,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419957505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 03:07:40,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 03:07:40,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-05 03:07:40,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685703207] [2021-06-05 03:07:40,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 03:07:40,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 03:07:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 03:07:40,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-06-05 03:07:40,853 INFO L87 Difference]: Start difference. First operand has 81 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 80 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:07:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 03:07:41,770 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2021-06-05 03:07:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 03:07:41,774 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-06-05 03:07:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 03:07:41,779 INFO L225 Difference]: With dead ends: 80 [2021-06-05 03:07:41,779 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 03:07:41,781 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 887.8ms TimeCoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 03:07:41,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 03:07:41,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 03:07:41,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:07:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 03:07:41,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-06-05 03:07:41,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 03:07:41,805 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 03:07:41,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 03:07:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 03:07:41,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 03:07:41,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 03:07:41,813 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 03:07:41,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 03:07:41 BasicIcfg [2021-06-05 03:07:41,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 03:07:41,816 INFO L168 Benchmark]: Toolchain (without parser) took 2456.39 ms. Allocated memory is still 341.8 MB. Free memory was 304.2 MB in the beginning and 271.5 MB in the end (delta: 32.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.0 GB. [2021-06-05 03:07:41,817 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory was 322.7 MB in the beginning and 322.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 03:07:41,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.02 ms. Allocated memory is still 341.8 MB. Free memory was 303.9 MB in the beginning and 324.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-05 03:07:41,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.90 ms. Allocated memory is still 341.8 MB. Free memory was 324.6 MB in the beginning and 323.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 03:07:41,819 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 322.5 MB in the end (delta: 941.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 03:07:41,820 INFO L168 Benchmark]: RCFGBuilder took 332.54 ms. Allocated memory is still 341.8 MB. Free memory was 322.5 MB in the beginning and 304.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-05 03:07:41,823 INFO L168 Benchmark]: TraceAbstraction took 1862.13 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 271.5 MB in the end (delta: 32.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. [2021-06-05 03:07:41,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory was 322.7 MB in the beginning and 322.6 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 190.02 ms. Allocated memory is still 341.8 MB. Free memory was 303.9 MB in the beginning and 324.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.90 ms. Allocated memory is still 341.8 MB. Free memory was 324.6 MB in the beginning and 323.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 322.5 MB in the end (delta: 941.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 332.54 ms. Allocated memory is still 341.8 MB. Free memory was 322.5 MB in the beginning and 304.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1862.13 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 271.5 MB in the end (delta: 32.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1722.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.1ms, AutomataDifference: 939.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 35 SDtfs, 173 SDslu, 301 SDs, 0 SdLazy, 314 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 194.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 887.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.9ms SsaConstructionTime, 99.2ms SatisfiabilityAnalysisTime, 488.3ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...