/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/06-symbeq_10-equ_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:59,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:59,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:59,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 23:42:59,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 23:42:59,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 23:42:59,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 23:42:59,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 23:42:59,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 23:42:59,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 23:42:59,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 23:42:59,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 23:42:59,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:42:59,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:42:59,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:42:59,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:42:59,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:42:59,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:42:59,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:42:59,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:42:59,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:42:59,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:42:59,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:42:59,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:42:59,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 23:42:59,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 23:42:59,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 23:42:59,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 23:42:59,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 23:42:59,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-10 23:42:59,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:59,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:59,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:59,161 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 [2022-02-10 23:42:59,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:59,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:59,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:59,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:59,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:59,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:59,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:59,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:59,188 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:59,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:59,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:59,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:59,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:59,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:59,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:59,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:59,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:59,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:59,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:59,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:59,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:59,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:59,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:59,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:59,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:59,422 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:59,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-02-10 23:42:59,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c000b77/f51be7dba5ed4debb1d1db0a883b2e4c/FLAG876e0a298 [2022-02-10 23:42:59,866 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:59,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-02-10 23:42:59,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c000b77/f51be7dba5ed4debb1d1db0a883b2e4c/FLAG876e0a298 [2022-02-10 23:43:00,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c000b77/f51be7dba5ed4debb1d1db0a883b2e4c [2022-02-10 23:43:00,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:43:00,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:43:00,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:43:00,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:43:00,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:43:00,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3195d8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00, skipping insertion in model container [2022-02-10 23:43:00,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:43:00,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:43:00,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:43:00,579 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:43:00,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:43:00,658 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:43:00,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00 WrapperNode [2022-02-10 23:43:00,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:43:00,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:43:00,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:43:00,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:43:00,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,709 INFO L137 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-02-10 23:43:00,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:43:00,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:43:00,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:43:00,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:43:00,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:43:00,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:43:00,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:43:00,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:43:00,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (1/1) ... [2022-02-10 23:43:00,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:43:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:43:00,764 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) [2022-02-10 23:43:00,783 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 [2022-02-10 23:43:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:43:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:43:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:43:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:43:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:43:00,801 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:43:00,881 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:43:00,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:43:01,077 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:43:01,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:43:01,083 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:43:01,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:43:01 BoogieIcfgContainer [2022-02-10 23:43:01,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:43:01,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:43:01,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:43:01,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:43:01,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:43:00" (1/3) ... [2022-02-10 23:43:01,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5493dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:43:01, skipping insertion in model container [2022-02-10 23:43:01,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:43:00" (2/3) ... [2022-02-10 23:43:01,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5493dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:43:01, skipping insertion in model container [2022-02-10 23:43:01,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:43:01" (3/3) ... [2022-02-10 23:43:01,090 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2022-02-10 23:43:01,093 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:43:01,094 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:43:01,094 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 23:43:01,094 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:43:01,134 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,135 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,136 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,136 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,137 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,137 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,137 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,137 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,138 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,138 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,139 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,139 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,140 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,141 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,141 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,141 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,142 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,142 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,142 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,143 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,143 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,145 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,146 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,148 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,148 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,149 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,149 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,150 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,150 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,151 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,151 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,151 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,158 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,159 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:43:01,161 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:43:01,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:43:01,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:43:01,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 23:43:01,228 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 89 transitions, 183 flow [2022-02-10 23:43:01,273 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 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) [2022-02-10 23:43:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 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) [2022-02-10 23:43:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-10 23:43:01,286 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:01,286 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:01,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-02-10 23:43:01,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:01,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1893546033, now seen corresponding path program 1 times [2022-02-10 23:43:01,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:01,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663289190] [2022-02-10 23:43:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:01,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:01,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:01,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663289190] [2022-02-10 23:43:01,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663289190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:01,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:01,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:43:01,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136200264] [2022-02-10 23:43:01,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:01,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:43:01,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:01,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:43:01,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:01,687 INFO L87 Difference]: Start difference. First operand has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 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 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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) [2022-02-10 23:43:01,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:01,904 INFO L93 Difference]: Finished difference Result 397 states and 692 transitions. [2022-02-10 23:43:01,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:43:01,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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) Word has length 58 [2022-02-10 23:43:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:01,919 INFO L225 Difference]: With dead ends: 397 [2022-02-10 23:43:01,919 INFO L226 Difference]: Without dead ends: 307 [2022-02-10 23:43:01,920 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:01,922 INFO L934 BasicCegarLoop]: 139 mSDtfsCounter, 65 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:01,922 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 392 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:43:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-02-10 23:43:01,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2022-02-10 23:43:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 301 states have internal predecessors, (512), 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) [2022-02-10 23:43:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 512 transitions. [2022-02-10 23:43:02,013 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 512 transitions. Word has length 58 [2022-02-10 23:43:02,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:02,014 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 512 transitions. [2022-02-10 23:43:02,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 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) [2022-02-10 23:43:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 512 transitions. [2022-02-10 23:43:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-10 23:43:02,015 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:02,015 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:02,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:43:02,016 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] === [2022-02-10 23:43:02,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1424353823, now seen corresponding path program 1 times [2022-02-10 23:43:02,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:02,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113097513] [2022-02-10 23:43:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:02,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:02,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113097513] [2022-02-10 23:43:02,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113097513] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:02,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:02,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:43:02,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007472008] [2022-02-10 23:43:02,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:02,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:43:02,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:02,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:43:02,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,244 INFO L87 Difference]: Start difference. First operand 302 states and 512 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) [2022-02-10 23:43:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:02,354 INFO L93 Difference]: Finished difference Result 339 states and 576 transitions. [2022-02-10 23:43:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:43:02,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 59 [2022-02-10 23:43:02,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:02,358 INFO L225 Difference]: With dead ends: 339 [2022-02-10 23:43:02,358 INFO L226 Difference]: Without dead ends: 284 [2022-02-10 23:43:02,367 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:43:02,368 INFO L934 BasicCegarLoop]: 118 mSDtfsCounter, 46 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:02,369 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 292 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:43:02,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-02-10 23:43:02,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2022-02-10 23:43:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 277 states have (on average 1.6750902527075813) internal successors, (464), 279 states have internal predecessors, (464), 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) [2022-02-10 23:43:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 464 transitions. [2022-02-10 23:43:02,380 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 464 transitions. Word has length 59 [2022-02-10 23:43:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:02,381 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 464 transitions. [2022-02-10 23:43:02,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) [2022-02-10 23:43:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 464 transitions. [2022-02-10 23:43:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 23:43:02,383 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:02,383 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:02,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:43:02,383 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-02-10 23:43:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1625031745, now seen corresponding path program 1 times [2022-02-10 23:43:02,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:02,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265663271] [2022-02-10 23:43:02,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:02,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:02,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265663271] [2022-02-10 23:43:02,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265663271] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:02,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:02,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:43:02,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55502367] [2022-02-10 23:43:02,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:02,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:43:02,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:02,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:43:02,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:43:02,685 INFO L87 Difference]: Start difference. First operand 280 states and 464 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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) [2022-02-10 23:43:03,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:03,038 INFO L93 Difference]: Finished difference Result 500 states and 853 transitions. [2022-02-10 23:43:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:43:03,039 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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 65 [2022-02-10 23:43:03,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:03,041 INFO L225 Difference]: With dead ends: 500 [2022-02-10 23:43:03,042 INFO L226 Difference]: Without dead ends: 453 [2022-02-10 23:43:03,042 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:03,047 INFO L934 BasicCegarLoop]: 93 mSDtfsCounter, 305 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:03,048 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [305 Valid, 361 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:43:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-02-10 23:43:03,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 391. [2022-02-10 23:43:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 388 states have (on average 1.7268041237113403) internal successors, (670), 390 states have internal predecessors, (670), 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) [2022-02-10 23:43:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 670 transitions. [2022-02-10 23:43:03,056 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 670 transitions. Word has length 65 [2022-02-10 23:43:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:03,056 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 670 transitions. [2022-02-10 23:43:03,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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) [2022-02-10 23:43:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 670 transitions. [2022-02-10 23:43:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 23:43:03,060 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:03,060 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:03,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:43:03,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-02-10 23:43:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:03,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1662543192, now seen corresponding path program 1 times [2022-02-10 23:43:03,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:03,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176410139] [2022-02-10 23:43:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:43:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:43:03,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:43:03,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176410139] [2022-02-10 23:43:03,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176410139] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:43:03,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:43:03,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-10 23:43:03,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40086952] [2022-02-10 23:43:03,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:43:03,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 23:43:03,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:43:03,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 23:43:03,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-10 23:43:03,285 INFO L87 Difference]: Start difference. First operand 391 states and 670 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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) [2022-02-10 23:43:03,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:43:03,574 INFO L93 Difference]: Finished difference Result 425 states and 718 transitions. [2022-02-10 23:43:03,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 23:43:03,574 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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 65 [2022-02-10 23:43:03,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:43:03,575 INFO L225 Difference]: With dead ends: 425 [2022-02-10 23:43:03,575 INFO L226 Difference]: Without dead ends: 280 [2022-02-10 23:43:03,576 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-02-10 23:43:03,576 INFO L934 BasicCegarLoop]: 72 mSDtfsCounter, 233 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:43:03,576 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 292 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:43:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-02-10 23:43:03,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2022-02-10 23:43:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 273 states have (on average 1.6813186813186813) internal successors, (459), 275 states have internal predecessors, (459), 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) [2022-02-10 23:43:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 459 transitions. [2022-02-10 23:43:03,582 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 459 transitions. Word has length 65 [2022-02-10 23:43:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:43:03,582 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 459 transitions. [2022-02-10 23:43:03,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 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) [2022-02-10 23:43:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 459 transitions. [2022-02-10 23:43:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 23:43:03,583 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:43:03,583 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:43:03,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:43:03,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-02-10 23:43:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:43:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash 804905518, now seen corresponding path program 1 times [2022-02-10 23:43:03,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:43:03,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487238863] [2022-02-10 23:43:03,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:43:03,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:43:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:43:03,618 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:43:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:43:03,655 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:43:03,655 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:43:03,656 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-02-10 23:43:03,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-02-10 23:43:03,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 23:43:03,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-02-10 23:43:03,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 23:43:03,659 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 23:43:03,662 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:43:03,662 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:43:03,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:43:03 BasicIcfg [2022-02-10 23:43:03,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:43:03,689 INFO L158 Benchmark]: Toolchain (without parser) took 3476.99ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 120.6MB in the beginning and 163.9MB in the end (delta: -43.3MB). Peak memory consumption was 52.3MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,689 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:43:03,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.16ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 120.5MB in the beginning and 227.7MB in the end (delta: -107.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.95ms. Allocated memory is still 270.5MB. Free memory was 227.7MB in the beginning and 225.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,690 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 270.5MB. Free memory was 225.1MB in the beginning and 223.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,690 INFO L158 Benchmark]: RCFGBuilder took 346.59ms. Allocated memory is still 270.5MB. Free memory was 223.5MB in the beginning and 208.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,690 INFO L158 Benchmark]: TraceAbstraction took 2603.13ms. Allocated memory is still 270.5MB. Free memory was 208.3MB in the beginning and 163.9MB in the end (delta: 44.3MB). Peak memory consumption was 44.3MB. Max. memory is 8.0GB. [2022-02-10 23:43:03,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 446.16ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 120.5MB in the beginning and 227.7MB in the end (delta: -107.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.95ms. Allocated memory is still 270.5MB. Free memory was 227.7MB in the beginning and 225.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 270.5MB. Free memory was 225.1MB in the beginning and 223.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 346.59ms. Allocated memory is still 270.5MB. Free memory was 223.5MB in the beginning and 208.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2603.13ms. Allocated memory is still 270.5MB. Free memory was 208.3MB in the beginning and 163.9MB in the end (delta: 44.3MB). Peak memory consumption was 44.3MB. 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 - DataRaceFoundResult [Line: 996]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, arg={0:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, pthread_create(&id,((void *)0),t_fun,((void *)0))=-1, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L1019] 0 *d = 8 VAL [*d = 8=38, A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] Now there is a data race (on the heap) between C: *d = 8 [1019] and C: B.datum = 5 [996] - UnprovableResult [Line: 1019]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1017]: 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, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 649 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 649 mSDsluCounter, 1337 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 923 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 868 IncrementalHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 422 mSDtfsCounter, 868 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=3, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-02-10 23:43:03,734 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...