/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 10:35:02,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 10:35:02,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 10:35:02,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 10:35:02,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 10:35:02,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 10:35:02,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 10:35:02,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 10:35:02,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 10:35:02,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 10:35:02,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 10:35:02,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 10:35:02,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 10:35:02,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 10:35:02,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 10:35:02,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 10:35:02,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 10:35:02,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 10:35:02,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 10:35:02,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 10:35:02,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 10:35:02,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 10:35:02,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 10:35:02,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 10:35:02,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 10:35:02,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 10:35:02,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 10:35:02,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 10:35:02,572 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-Separate.epf [2022-01-18 10:35:02,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 10:35:02,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 10:35:02,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 10:35:02,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 10:35:02,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 10:35:02,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 10:35:02,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 10:35:02,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 10:35:02,637 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 10:35:02,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 10:35:02,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 10:35:02,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 10:35:02,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 10:35:02,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 10:35:02,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 10:35:02,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 10:35:02,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 10:35:02,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 10:35:02,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 10:35:02,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:35:02,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 10:35:02,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 10:35:02,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 10:35:02,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 10:35:02,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 10:35:02,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 10:35:02,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 10:35:02,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 10:35:02,859 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 10:35:02,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-18 10:35:02,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a880bad26/04bc524d08ae425eaaa9a7e9e05c01cf/FLAGe85821b8e [2022-01-18 10:35:03,373 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 10:35:03,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-18 10:35:03,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a880bad26/04bc524d08ae425eaaa9a7e9e05c01cf/FLAGe85821b8e [2022-01-18 10:35:03,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a880bad26/04bc524d08ae425eaaa9a7e9e05c01cf [2022-01-18 10:35:03,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 10:35:03,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 10:35:03,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 10:35:03,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 10:35:03,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 10:35:03,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:35:03" (1/1) ... [2022-01-18 10:35:03,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d0cb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:03, skipping insertion in model container [2022-01-18 10:35:03,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:35:03" (1/1) ... [2022-01-18 10:35:03,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 10:35:03,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 10:35:03,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-01-18 10:35:04,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:35:04,152 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 10:35:04,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-01-18 10:35:04,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:35:04,225 INFO L208 MainTranslator]: Completed translation [2022-01-18 10:35:04,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04 WrapperNode [2022-01-18 10:35:04,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 10:35:04,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 10:35:04,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 10:35:04,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 10:35:04,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,281 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-01-18 10:35:04,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 10:35:04,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 10:35:04,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 10:35:04,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 10:35:04,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 10:35:04,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 10:35:04,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 10:35:04,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 10:35:04,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (1/1) ... [2022-01-18 10:35:04,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:35:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:35:04,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 10:35:04,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 10:35:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 10:35:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 10:35:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 10:35:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 10:35:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 10:35:04,394 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 10:35:04,535 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 10:35:04,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 10:35:04,670 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 10:35:04,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 10:35:04,676 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 10:35:04,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:35:04 BoogieIcfgContainer [2022-01-18 10:35:04,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 10:35:04,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 10:35:04,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 10:35:04,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 10:35:04,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:35:03" (1/3) ... [2022-01-18 10:35:04,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49642c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:35:04, skipping insertion in model container [2022-01-18 10:35:04,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:35:04" (2/3) ... [2022-01-18 10:35:04,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49642c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:35:04, skipping insertion in model container [2022-01-18 10:35:04,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:35:04" (3/3) ... [2022-01-18 10:35:04,685 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-01-18 10:35:04,688 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 10:35:04,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 10:35:04,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 10:35:04,689 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 10:35:04,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:35:04,732 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 10:35:04,767 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 10:35:04,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 10:35:04,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 10:35:04,782 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-01-18 10:35:04,815 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 10:35:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 10:35:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-18 10:35:04,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:35:04,829 INFO L514 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] [2022-01-18 10:35:04,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 10:35:04,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:35:04,834 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-01-18 10:35:04,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:35:04,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218654991] [2022-01-18 10:35:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:35:04,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:35:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 10:35:04,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 10:35:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 10:35:04,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 10:35:04,994 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 10:35:05,000 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 10:35:05,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 10:35:05,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 10:35:05,006 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 10:35:05,010 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 10:35:05,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 10:35:05,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 10:35:05 BasicIcfg [2022-01-18 10:35:05,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 10:35:05,046 INFO L158 Benchmark]: Toolchain (without parser) took 1323.21ms. Allocated memory is still 404.8MB. Free memory was 355.2MB in the beginning and 330.1MB in the end (delta: 25.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,047 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 404.8MB. Free memory was 373.0MB in the beginning and 372.9MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 10:35:05,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.15ms. Allocated memory is still 404.8MB. Free memory was 354.9MB in the beginning and 369.9MB in the end (delta: -15.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.76ms. Allocated memory is still 404.8MB. Free memory was 369.9MB in the beginning and 367.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,048 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 404.8MB. Free memory was 367.8MB in the beginning and 366.9MB in the end (delta: 912.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,049 INFO L158 Benchmark]: RCFGBuilder took 365.12ms. Allocated memory is still 404.8MB. Free memory was 366.9MB in the beginning and 354.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,049 INFO L158 Benchmark]: TraceAbstraction took 365.91ms. Allocated memory is still 404.8MB. Free memory was 354.3MB in the beginning and 330.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2022-01-18 10:35:05,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 404.8MB. Free memory was 373.0MB in the beginning and 372.9MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 499.15ms. Allocated memory is still 404.8MB. Free memory was 354.9MB in the beginning and 369.9MB in the end (delta: -15.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.76ms. Allocated memory is still 404.8MB. Free memory was 369.9MB in the beginning and 367.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 404.8MB. Free memory was 367.8MB in the beginning and 366.9MB in the end (delta: 912.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 365.12ms. Allocated memory is still 404.8MB. Free memory was 366.9MB in the beginning and 354.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 365.91ms. Allocated memory is still 404.8MB. Free memory was 354.3MB in the beginning and 330.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-01-18 10:35:05,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...