/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 19:23:27,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 19:23:27,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 19:23:27,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 19:23:27,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 19:23:27,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 19:23:27,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 19:23:27,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 19:23:27,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 19:23:27,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 19:23:27,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 19:23:27,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 19:23:27,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 19:23:27,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 19:23:27,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 19:23:27,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 19:23:27,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 19:23:27,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 19:23:27,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 19:23:27,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 19:23:27,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 19:23:27,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 19:23:27,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 19:23:27,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 19:23:27,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 19:23:27,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 19:23:27,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 19:23:27,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 19:23:27,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 19:23:27,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 19:23:27,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 19:23:27,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 19:23:27,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 19:23:27,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 19:23:27,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 19:23:27,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 19:23:27,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 19:23:27,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 19:23:27,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 19:23:27,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 19:23:27,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 19:23:27,680 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 [2021-01-26 19:23:27,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 19:23:27,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 19:23:27,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 19:23:27,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 19:23:27,744 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 19:23:27,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 19:23:27,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 19:23:27,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 19:23:27,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 19:23:27,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 19:23:27,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 19:23:27,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 19:23:27,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 19:23:27,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 19:23:27,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 19:23:27,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 19:23:27,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 19:23:27,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 19:23:27,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 19:23:27,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 19:23:27,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 19:23:27,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 19:23:27,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 19:23:27,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 19:23:27,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 19:23:27,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 19:23:27,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 19:23:27,750 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 19:23:27,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 19:23:27,751 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 19:23:27,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 19:23:28,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 19:23:28,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 19:23:28,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 19:23:28,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 19:23:28,178 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 19:23:28,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-01-26 19:23:28,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8930645/e5a5fdd123334262a502fd622596ef3d/FLAG1e0120e22 [2021-01-26 19:23:29,028 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 19:23:29,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-01-26 19:23:29,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8930645/e5a5fdd123334262a502fd622596ef3d/FLAG1e0120e22 [2021-01-26 19:23:29,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8930645/e5a5fdd123334262a502fd622596ef3d [2021-01-26 19:23:29,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 19:23:29,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 19:23:29,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 19:23:29,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 19:23:29,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 19:23:29,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:29,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44097f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29, skipping insertion in model container [2021-01-26 19:23:29,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:29,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 19:23:29,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 19:23:29,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 19:23:29,767 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 19:23:29,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 19:23:29,962 INFO L208 MainTranslator]: Completed translation [2021-01-26 19:23:29,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29 WrapperNode [2021-01-26 19:23:29,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 19:23:29,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 19:23:29,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 19:23:29,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 19:23:29,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:29,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 19:23:30,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 19:23:30,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 19:23:30,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 19:23:30,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (1/1) ... [2021-01-26 19:23:30,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 19:23:30,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 19:23:30,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 19:23:30,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 19:23:30,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (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 [2021-01-26 19:23:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 19:23:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 19:23:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 19:23:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 19:23:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 19:23:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 19:23:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 19:23:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 19:23:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 19:23:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 19:23:30,130 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 19:23:30,666 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 19:23:30,666 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2021-01-26 19:23:30,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:23:30 BoogieIcfgContainer [2021-01-26 19:23:30,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 19:23:30,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 19:23:30,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 19:23:30,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 19:23:30,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 07:23:29" (1/3) ... [2021-01-26 19:23:30,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcca969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:23:30, skipping insertion in model container [2021-01-26 19:23:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 07:23:29" (2/3) ... [2021-01-26 19:23:30,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcca969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 07:23:30, skipping insertion in model container [2021-01-26 19:23:30,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 07:23:30" (3/3) ... [2021-01-26 19:23:30,678 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-01-26 19:23:30,695 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 19:23:30,696 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 19:23:30,700 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 19:23:30,701 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 19:23:30,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,737 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,737 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,738 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,738 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,739 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,752 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,757 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,757 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,758 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,759 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 19:23:30,769 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 19:23:30,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 19:23:30,810 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 19:23:30,810 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 19:23:30,810 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 19:23:30,811 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 19:23:30,811 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 19:23:30,811 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 19:23:30,811 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 19:23:30,811 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 19:23:30,825 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 100 transitions, 208 flow [2021-01-26 19:23:30,874 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 657 states, 655 states have (on average 2.23969465648855) internal successors, (1467), 656 states have internal predecessors, (1467), 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) [2021-01-26 19:23:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 657 states, 655 states have (on average 2.23969465648855) internal successors, (1467), 656 states have internal predecessors, (1467), 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) [2021-01-26 19:23:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-26 19:23:30,897 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:30,898 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 19:23:30,898 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:30,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:30,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1900064611, now seen corresponding path program 1 times [2021-01-26 19:23:30,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:30,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074037539] [2021-01-26 19:23:30,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 19:23:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 19:23:31,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074037539] [2021-01-26 19:23:31,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 19:23:31,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-26 19:23:31,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819832420] [2021-01-26 19:23:31,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-26 19:23:31,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 19:23:31,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-26 19:23:31,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-01-26 19:23:31,423 INFO L87 Difference]: Start difference. First operand has 657 states, 655 states have (on average 2.23969465648855) internal successors, (1467), 656 states have internal predecessors, (1467), 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 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2021-01-26 19:23:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 19:23:32,069 INFO L93 Difference]: Finished difference Result 750 states and 1374 transitions. [2021-01-26 19:23:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-26 19:23:32,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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 45 [2021-01-26 19:23:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 19:23:32,087 INFO L225 Difference]: With dead ends: 750 [2021-01-26 19:23:32,087 INFO L226 Difference]: Without dead ends: 344 [2021-01-26 19:23:32,089 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2021-01-26 19:23:32,089 INFO L78 Accepts]: Start accepts. Automaton has 344 states. Word has length 45 [2021-01-26 19:23:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 19:23:32,091 INFO L481 AbstractCegarLoop]: Abstraction has 344 states. [2021-01-26 19:23:32,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2021-01-26 19:23:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2021-01-26 19:23:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-26 19:23:32,097 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:32,097 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 19:23:32,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 19:23:32,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:32,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:32,099 INFO L82 PathProgramCache]: Analyzing trace with hash -478830605, now seen corresponding path program 1 times [2021-01-26 19:23:32,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:32,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111515545] [2021-01-26 19:23:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 19:23:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 19:23:32,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111515545] [2021-01-26 19:23:32,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 19:23:32,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 19:23:32,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189255482] [2021-01-26 19:23:32,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 19:23:32,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 19:23:32,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 19:23:32,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-26 19:23:32,371 INFO L87 Difference]: Start difference. First operand 344 states. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-01-26 19:23:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 19:23:32,512 INFO L93 Difference]: Finished difference Result 236 states and 386 transitions. [2021-01-26 19:23:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-26 19:23:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-01-26 19:23:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 19:23:32,518 INFO L225 Difference]: With dead ends: 236 [2021-01-26 19:23:32,520 INFO L226 Difference]: Without dead ends: 224 [2021-01-26 19:23:32,521 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-26 19:23:32,521 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 55 [2021-01-26 19:23:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 19:23:32,522 INFO L481 AbstractCegarLoop]: Abstraction has 224 states. [2021-01-26 19:23:32,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-01-26 19:23:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2021-01-26 19:23:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-26 19:23:32,525 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 19:23:32,525 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 19:23:32,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 19:23:32,525 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 19:23:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 19:23:32,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1121576287, now seen corresponding path program 1 times [2021-01-26 19:23:32,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 19:23:32,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273069883] [2021-01-26 19:23:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 19:23:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 19:23:32,569 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 19:23:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 19:23:32,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 19:23:32,642 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 19:23:32,643 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 19:23:32,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 19:23:32,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 07:23:32 BasicIcfg [2021-01-26 19:23:32,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 19:23:32,749 INFO L168 Benchmark]: Toolchain (without parser) took 3478.23 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 280.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 170.4 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,749 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 19:23:32,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.21 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 277.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.79 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,752 INFO L168 Benchmark]: Boogie Preprocessor took 31.77 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 273.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,753 INFO L168 Benchmark]: RCFGBuilder took 621.46 ms. Allocated memory is still 302.0 MB. Free memory was 273.5 MB in the beginning and 246.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,754 INFO L168 Benchmark]: TraceAbstraction took 2076.11 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 280.2 MB in the end (delta: -34.0 MB). Peak memory consumption was 138.4 MB. Max. memory is 16.0 GB. [2021-01-26 19:23:32,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 680.21 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 277.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.79 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.77 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 273.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 621.46 ms. Allocated memory is still 302.0 MB. Free memory was 273.5 MB in the beginning and 246.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2076.11 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 280.2 MB in the end (delta: -34.0 MB). Peak memory consumption was 138.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 683]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L683] COND FALSE 0 !(0) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L683] 0 __assert_fail ("0", "racemacros.h", 9, __extension__ __PRETTY_FUNCTION__) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 220 SDtfs, 454 SDslu, 662 SDs, 0 SdLazy, 214 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=657occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 15590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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! Received shutdown request...