/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:09,407 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:09,490 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 [2021-10-16 22:46:09,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:09,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:09,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:09,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:09,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:09,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:09,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:09,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:09,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:09,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:09,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:09,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:09,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:09,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:09,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:09,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:09,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:09,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:09,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:09,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:09,713 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:09,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2021-10-16 22:46:09,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100f5af3e/e537dd320b6b42f18add6ab5bb583df9/FLAG1de735899 [2021-10-16 22:46:10,157 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:10,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.i [2021-10-16 22:46:10,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100f5af3e/e537dd320b6b42f18add6ab5bb583df9/FLAG1de735899 [2021-10-16 22:46:10,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/100f5af3e/e537dd320b6b42f18add6ab5bb583df9 [2021-10-16 22:46:10,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:10,185 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:10,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:10,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:10,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:10,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d29c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10, skipping insertion in model container [2021-10-16 22:46:10,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:10,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:10,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:10,541 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:10,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:10,615 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:10,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10 WrapperNode [2021-10-16 22:46:10,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:10,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:10,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:10,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:10,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:10,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:10,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:10,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:10,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:10,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:10,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:10,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:10,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (1/1) ... [2021-10-16 22:46:10,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:10,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:10,733 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) [2021-10-16 22:46:10,741 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 [2021-10-16 22:46:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:10,763 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:10,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:10,764 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:11,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:11,014 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 22:46:11,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:11 BoogieIcfgContainer [2021-10-16 22:46:11,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:11,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:11,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:11,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:11,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:10" (1/3) ... [2021-10-16 22:46:11,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad3dbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:11, skipping insertion in model container [2021-10-16 22:46:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:10" (2/3) ... [2021-10-16 22:46:11,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad3dbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:11, skipping insertion in model container [2021-10-16 22:46:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:11" (3/3) ... [2021-10-16 22:46:11,024 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2021-10-16 22:46:11,028 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:11,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:11,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 22:46:11,028 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:11,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:11,066 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:11,093 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:11,097 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, mConcurrency=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 [2021-10-16 22:46:11,097 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 22:46:11,103 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 62 transitions, 129 flow [2021-10-16 22:46:11,129 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 336 states, 333 states have (on average 1.852852852852853) internal successors, (617), 335 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 333 states have (on average 1.852852852852853) internal successors, (617), 335 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-16 22:46:11,137 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:11,137 INFO L517 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] [2021-10-16 22:46:11,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:11,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1806490370, now seen corresponding path program 1 times [2021-10-16 22:46:11,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:11,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973521642] [2021-10-16 22:46:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:11,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:11,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:11,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973521642] [2021-10-16 22:46:11,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973521642] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:11,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:11,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:11,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944493596] [2021-10-16 22:46:11,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:11,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:11,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:11,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:11,310 INFO L87 Difference]: Start difference. First operand has 336 states, 333 states have (on average 1.852852852852853) internal successors, (617), 335 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:11,339 INFO L93 Difference]: Finished difference Result 364 states and 663 transitions. [2021-10-16 22:46:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:11,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-10-16 22:46:11,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:11,348 INFO L225 Difference]: With dead ends: 364 [2021-10-16 22:46:11,348 INFO L226 Difference]: Without dead ends: 310 [2021-10-16 22:46:11,349 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-16 22:46:11,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 299. [2021-10-16 22:46:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 296 states have (on average 1.8141891891891893) internal successors, (537), 298 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 537 transitions. [2021-10-16 22:46:11,390 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 537 transitions. Word has length 27 [2021-10-16 22:46:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:11,390 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 537 transitions. [2021-10-16 22:46:11,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 537 transitions. [2021-10-16 22:46:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-16 22:46:11,391 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:11,392 INFO L517 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] [2021-10-16 22:46:11,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:11,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:11,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:11,393 INFO L82 PathProgramCache]: Analyzing trace with hash -701881124, now seen corresponding path program 1 times [2021-10-16 22:46:11,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:11,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843683725] [2021-10-16 22:46:11,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:11,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:11,414 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:46:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:11,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:46:11,453 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:46:11,454 WARN L672 BasicCegarLoop]: Found data race on ~f~0 between C: f() [915] and C: f = bad [921] [2021-10-16 22:46:11,476 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:11,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:11,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:11,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:11,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:11,482 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:11,483 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:11,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:11 BasicIcfg [2021-10-16 22:46:11,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:11,516 INFO L168 Benchmark]: Toolchain (without parser) took 1329.80 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 126.4 MB in the beginning and 208.2 MB in the end (delta: -81.7 MB). Peak memory consumption was 43.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,516 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 179.3 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:11,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.31 ms. Allocated memory is still 179.3 MB. Free memory was 126.2 MB in the beginning and 138.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 179.3 MB. Free memory was 138.9 MB in the beginning and 136.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,517 INFO L168 Benchmark]: Boogie Preprocessor took 13.20 ms. Allocated memory is still 179.3 MB. Free memory was 136.9 MB in the beginning and 135.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,518 INFO L168 Benchmark]: RCFGBuilder took 358.35 ms. Allocated memory is still 179.3 MB. Free memory was 135.4 MB in the beginning and 124.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,518 INFO L168 Benchmark]: TraceAbstraction took 497.61 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 123.8 MB in the beginning and 208.2 MB in the end (delta: -84.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:11,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 179.3 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 428.31 ms. Allocated memory is still 179.3 MB. Free memory was 126.2 MB in the beginning and 138.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.59 ms. Allocated memory is still 179.3 MB. Free memory was 138.9 MB in the beginning and 136.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.20 ms. Allocated memory is still 179.3 MB. Free memory was 136.9 MB in the beginning and 135.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 358.35 ms. Allocated memory is still 179.3 MB. Free memory was 135.4 MB in the beginning and 124.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 497.61 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 123.8 MB in the beginning and 208.2 MB in the end (delta: -84.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 921]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int global; VAL [global=0] [L913] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L919] 0 pthread_t id; VAL [={-1:0}, global=0] [L920] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0] [L921] 0 f = bad VAL [={-1:2}, global=0] [L921] 0 f = bad VAL [={-1:2}, global=0] - UnprovableResult [Line: 920]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 86 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 389.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.9ms, AutomataDifference: 49.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 32.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 83 SDtfs, 23 SDslu, 54 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 32.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.7ms SsaConstructionTime, 30.1ms SatisfiabilityAnalysisTime, 76.6ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:46:11,545 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...