/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 -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:15:27,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:15:27,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:15:27,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:15:27,313 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 [2022-03-01 15:15:27,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:15:27,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:15:27,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:15:27,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:15:27,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:15:27,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:15:27,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:15:27,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:15:27,338 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:15:27,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:15:27,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:15:27,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:15:27,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:15:27,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:15:27,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:15:27,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:15:27,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:15:27,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:15:27,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:15:27,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:15:27,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:15:27,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:15:27,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:15:27,558 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:15:27,558 INFO L432 ainManager$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 [2022-03-01 15:15:27,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcdada31a/41ebe3e4ea0245a5ae9f8774c6f8930d/FLAGf8c900e03 [2022-03-01 15:15:28,025 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:15:28,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-03-01 15:15:28,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcdada31a/41ebe3e4ea0245a5ae9f8774c6f8930d/FLAGf8c900e03 [2022-03-01 15:15:28,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcdada31a/41ebe3e4ea0245a5ae9f8774c6f8930d [2022-03-01 15:15:28,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:15:28,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:15:28,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:15:28,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:15:28,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:15:28,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed97b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28, skipping insertion in model container [2022-03-01 15:15:28,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:15:28,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:15:28,258 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] [2022-03-01 15:15:28,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:15:28,395 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:15:28,404 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] [2022-03-01 15:15:28,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:15:28,453 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:15:28,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28 WrapperNode [2022-03-01 15:15:28,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:15:28,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:15:28,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:15:28,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:15:28,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,500 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-03-01 15:15:28,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:15:28,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:15:28,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:15:28,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:15:28,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:15:28,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:15:28,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:15:28,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:15:28,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (1/1) ... [2022-03-01 15:15:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:15:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:15:28,562 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) [2022-03-01 15:15:28,579 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 [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 15:15:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:15:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:15:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:15:28,595 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:15:28,716 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:15:28,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:15:28,881 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:15:28,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:15:28,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 15:15:28,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:15:28 BoogieIcfgContainer [2022-03-01 15:15:28,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:15:28,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:15:28,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:15:28,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:15:28,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:15:28" (1/3) ... [2022-03-01 15:15:28,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb1b2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:15:28, skipping insertion in model container [2022-03-01 15:15:28,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:15:28" (2/3) ... [2022-03-01 15:15:28,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb1b2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:15:28, skipping insertion in model container [2022-03-01 15:15:28,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:15:28" (3/3) ... [2022-03-01 15:15:28,895 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-03-01 15:15:28,899 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:15:28,899 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:15:28,899 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:15:28,899 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:15:28,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:15:28,935 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 15:15:28,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:15:28,975 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, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 15:15:28,976 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 15:15:28,985 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-03-01 15:15:29,028 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) [2022-03-01 15:15:29,030 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) [2022-03-01 15:15:29,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-01 15:15:29,041 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:15:29,041 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] [2022-03-01 15:15:29,042 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:15:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:15:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-03-01 15:15:29,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:15:29,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122315224] [2022-03-01 15:15:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:15:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:15:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:15:29,181 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 15:15:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:15:29,252 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 15:15:29,254 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 15:15:29,254 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-01 15:15:29,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-01 15:15:29,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:15:29,259 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-01 15:15:29,262 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 15:15:29,262 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 15:15:29,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 03:15:29 BasicIcfg [2022-03-01 15:15:29,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 15:15:29,297 INFO L158 Benchmark]: Toolchain (without parser) took 1243.73ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 140.7MB in the beginning and 195.0MB in the end (delta: -54.3MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,297 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 15:15:29,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.17ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 140.5MB in the beginning and 236.9MB in the end (delta: -96.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.88ms. Allocated memory is still 275.8MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,298 INFO L158 Benchmark]: Boogie Preprocessor took 31.10ms. Allocated memory is still 275.8MB. Free memory was 234.8MB in the beginning and 233.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,299 INFO L158 Benchmark]: RCFGBuilder took 354.94ms. Allocated memory is still 275.8MB. Free memory was 233.3MB in the beginning and 220.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,299 INFO L158 Benchmark]: TraceAbstraction took 407.29ms. Allocated memory is still 275.8MB. Free memory was 220.1MB in the beginning and 195.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-01 15:15:29,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 399.17ms. Allocated memory was 200.3MB in the beginning and 275.8MB in the end (delta: 75.5MB). Free memory was 140.5MB in the beginning and 236.9MB in the end (delta: -96.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.88ms. Allocated memory is still 275.8MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.10ms. Allocated memory is still 275.8MB. Free memory was 234.8MB in the beginning and 233.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.94ms. Allocated memory is still 275.8MB. Free memory was 233.3MB in the beginning and 220.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 407.29ms. Allocated memory is still 275.8MB. Free memory was 220.1MB in the beginning and 195.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, 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, 0.1s 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! [2022-03-01 15:15:29,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...