/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-POR-NewStatesSleepPersistentFixedOrder-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 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-13 20:19:05,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 20:19:05,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 20:19:06,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 20:19:06,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 20:19:06,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 20:19:06,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 20:19:06,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 20:19:06,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 20:19:06,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 20:19:06,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 20:19:06,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 20:19:06,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 20:19:06,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 20:19:06,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 20:19:06,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 20:19:06,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 20:19:06,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 20:19:06,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 20:19:06,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 20:19:06,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 20:19:06,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 20:19:06,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 20:19:06,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 20:19:06,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-13 20:19:06,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 20:19:06,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 20:19:06,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 20:19:06,048 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-11-13 20:19:06,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 20:19:06,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 20:19:06,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 20:19:06,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 20:19:06,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 20:19:06,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 20:19:06,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 20:19:06,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 20:19:06,075 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 20:19:06,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 20:19:06,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 20:19:06,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 20:19:06,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 20:19:06,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 20:19:06,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-13 20:19:06,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 20:19:06,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 20:19:06,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 20:19:06,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 20:19:06,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 20:19:06,244 INFO L432 ainManager$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 [2021-11-13 20:19:06,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee24c9b4/0a8247bb739d4137844f2db46359d6e5/FLAG0de0837b8 [2021-11-13 20:19:06,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 20:19:06,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-11-13 20:19:06,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee24c9b4/0a8247bb739d4137844f2db46359d6e5/FLAG0de0837b8 [2021-11-13 20:19:06,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fee24c9b4/0a8247bb739d4137844f2db46359d6e5 [2021-11-13 20:19:06,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 20:19:06,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 20:19:06,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 20:19:06,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 20:19:06,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 20:19:06,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:06" (1/1) ... [2021-11-13 20:19:06,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5596a5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06, skipping insertion in model container [2021-11-13 20:19:06,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:06" (1/1) ... [2021-11-13 20:19:06,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 20:19:06,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 20:19:06,861 WARN L228 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] [2021-11-13 20:19:06,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 20:19:06,990 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 20:19:06,998 WARN L228 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] [2021-11-13 20:19:07,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 20:19:07,056 INFO L208 MainTranslator]: Completed translation [2021-11-13 20:19:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07 WrapperNode [2021-11-13 20:19:07,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 20:19:07,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 20:19:07,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 20:19:07,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 20:19:07,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 20:19:07,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 20:19:07,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 20:19:07,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 20:19:07,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 20:19:07,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 20:19:07,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 20:19:07,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 20:19:07,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (1/1) ... [2021-11-13 20:19:07,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 20:19:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 20:19:07,167 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) [2021-11-13 20:19:07,187 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 [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 20:19:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 20:19:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 20:19:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 20:19:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 20:19:07,200 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 20:19:07,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 20:19:07,457 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 20:19:07,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07 BoogieIcfgContainer [2021-11-13 20:19:07,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 20:19:07,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 20:19:07,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 20:19:07,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 20:19:07,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 08:19:06" (1/3) ... [2021-11-13 20:19:07,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f13d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 08:19:07, skipping insertion in model container [2021-11-13 20:19:07,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:07" (2/3) ... [2021-11-13 20:19:07,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f13d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 08:19:07, skipping insertion in model container [2021-11-13 20:19:07,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07" (3/3) ... [2021-11-13 20:19:07,464 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-11-13 20:19:07,468 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 20:19:07,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 20:19:07,468 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 20:19:07,468 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 20:19:07,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 20:19:07,491 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 20:19:07,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 20:19:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 20:19:07,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 20:19:07,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 20:19:07,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 20:19:07,557 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=PARTIAL_ORDER_FA, 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 [2021-11-13 20:19:07,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 20:19:07,657 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-13 20:19:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 20:19:07,660 INFO L85 PathProgramCache]: Analyzing trace with hash 406543619, now seen corresponding path program 1 times [2021-11-13 20:19:07,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 20:19:07,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528899202] [2021-11-13 20:19:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 20:19:07,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 20:19:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 20:19:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 20:19:07,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 20:19:07,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528899202] [2021-11-13 20:19:07,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528899202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 20:19:07,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 20:19:07,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 20:19:07,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085547447] [2021-11-13 20:19:07,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 20:19:07,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 20:19:07,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 20:19:07,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 20:19:07,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 20:19:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 20:19:07,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 20:19:07,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-11-13 20:19:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 20:19:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 20:19:07,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 20:19:07,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-13 20:19:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 20:19:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1348692032, now seen corresponding path program 1 times [2021-11-13 20:19:07,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 20:19:07,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197503407] [2021-11-13 20:19:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 20:19:07,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 20:19:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 20:19:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 20:19:08,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 20:19:08,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197503407] [2021-11-13 20:19:08,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197503407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 20:19:08,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 20:19:08,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 20:19:08,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783947488] [2021-11-13 20:19:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 20:19:08,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 20:19:08,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 20:19:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 20:19:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 20:19:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 20:19:08,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 20:19:08,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-11-13 20:19:08,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 20:19:08,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 20:19:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 20:19:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 20:19:08,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 20:19:08,217 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-13 20:19:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 20:19:08,218 INFO L85 PathProgramCache]: Analyzing trace with hash 287309672, now seen corresponding path program 1 times [2021-11-13 20:19:08,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 20:19:08,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195482782] [2021-11-13 20:19:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 20:19:08,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 20:19:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 20:19:08,235 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 20:19:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 20:19:08,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 20:19:08,282 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 20:19:08,282 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-13 20:19:08,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-13 20:19:08,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 20:19:08,289 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 20:19:08,292 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 20:19:08,292 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 20:19:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 08:19:08 BasicIcfg [2021-11-13 20:19:08,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 20:19:08,319 INFO L158 Benchmark]: Toolchain (without parser) took 1620.98ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 328.1MB in the beginning and 480.4MB in the end (delta: -152.3MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 20:19:08,319 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 388.0MB. Free memory is still 346.6MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 20:19:08,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.42ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 327.9MB in the beginning and 491.8MB in the end (delta: -163.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. [2021-11-13 20:19:08,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.04ms. Allocated memory is still 532.7MB. Free memory was 491.8MB in the beginning and 490.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 20:19:08,320 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 532.7MB. Free memory was 490.0MB in the beginning and 488.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 20:19:08,320 INFO L158 Benchmark]: RCFGBuilder took 326.83ms. Allocated memory is still 532.7MB. Free memory was 488.8MB in the beginning and 476.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-13 20:19:08,321 INFO L158 Benchmark]: TraceAbstraction took 858.14ms. Allocated memory is still 532.7MB. Free memory was 476.2MB in the beginning and 480.4MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 20:19:08,322 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 388.0MB. Free memory is still 346.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 356.42ms. Allocated memory was 388.0MB in the beginning and 532.7MB in the end (delta: 144.7MB). Free memory was 327.9MB in the beginning and 491.8MB in the end (delta: -163.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.04ms. Allocated memory is still 532.7MB. Free memory was 491.8MB in the beginning and 490.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 532.7MB. Free memory was 490.0MB in the beginning and 488.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 326.83ms. Allocated memory is still 532.7MB. Free memory was 488.8MB in the beginning and 476.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 858.14ms. Allocated memory is still 532.7MB. Free memory was 476.2MB in the beginning and 480.4MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 387, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 384, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 384, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 386, positive: 372, positive conditional: 45, positive unconditional: 327, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 386, positive: 372, positive conditional: 24, positive unconditional: 348, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 386, positive: 372, positive conditional: 24, positive unconditional: 348, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 291, positive conditional: 1, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 58, positive conditional: 13, positive unconditional: 46, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 386, positive: 81, positive conditional: 23, positive unconditional: 58, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 302, unknown conditional: 2, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 291, Positive conditional cache size: 1, Positive unconditional cache size: 290, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 84.38ms, Number of persistent set computation: 67, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 300, positive: 290, positive conditional: 0, positive unconditional: 290, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 387, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 384, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 384, positive: 372, positive conditional: 82, positive unconditional: 290, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 386, positive: 372, positive conditional: 45, positive unconditional: 327, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 386, positive: 372, positive conditional: 24, positive unconditional: 348, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 386, positive: 372, positive conditional: 24, positive unconditional: 348, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 291, positive conditional: 1, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, positive: 58, positive conditional: 13, positive unconditional: 46, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 386, positive: 81, positive conditional: 23, positive unconditional: 58, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 302, unknown conditional: 2, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 291, Positive conditional cache size: 1, Positive unconditional cache size: 290, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - 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={5:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={5:0}, B={6:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={5:0}, B={6:0}, g=42, r=0] [L695] 0 int t; VAL [A={5:0}, B={6:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={5:0}, B={6:0}, g=42, id={3:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={5:0}, arg={0:0}, B={6:0}, g=42, id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={5:0}, arg={0:0}, B={6:0}, g=42, id={3:0}, r=0] [L705] 0 t = g VAL [A={5:0}, arg={0:0}, B={6:0}, g=42, id={3:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={5:0}, arg={0:0}, B={6:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={5:0}, arg={0:0}, B={6:0}, 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.2s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-13 20:19:08,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 20:19:08,556 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...