/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 20:26:13,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 20:26:13,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 20:26:13,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 20:26:13,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 20:26:13,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 20:26:13,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 20:26:13,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 20:26:13,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 20:26:13,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 20:26:13,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 20:26:13,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 20:26:13,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 20:26:13,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 20:26:13,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 20:26:13,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 20:26:13,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 20:26:13,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 20:26:13,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 20:26:13,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 20:26:13,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 20:26:13,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 20:26:13,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 20:26:13,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 20:26:13,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 20:26:13,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 20:26:13,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 20:26:13,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 20:26:13,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 20:26:13,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-16 20:26:13,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 20:26:13,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 20:26:13,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 20:26:13,253 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 20:26:13,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 20:26:13,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 20:26:13,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 20:26:13,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 20:26:13,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 20:26:13,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 20:26:13,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 20:26:13,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 20:26:13,284 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 20:26:13,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 20:26:13,284 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 20:26:13,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 20:26:13,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 20:26:13,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 20:26:13,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 20:26:13,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 20:26:13,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 20:26:13,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 20:26:13,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 20:26:13,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 20:26:13,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 20:26:13,288 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 20:26:13,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-16 20:26:13,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 20:26:13,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 20:26:13,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 20:26:13,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 20:26:13,496 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 20:26:13,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i [2022-03-16 20:26:13,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400339e0f/1b0a77abb5b34eaf8d39c7c46f59f713/FLAG83a03f6c0 [2022-03-16 20:26:13,960 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 20:26:13,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i [2022-03-16 20:26:13,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400339e0f/1b0a77abb5b34eaf8d39c7c46f59f713/FLAG83a03f6c0 [2022-03-16 20:26:14,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400339e0f/1b0a77abb5b34eaf8d39c7c46f59f713 [2022-03-16 20:26:14,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 20:26:14,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 20:26:14,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 20:26:14,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 20:26:14,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 20:26:14,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc2261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14, skipping insertion in model container [2022-03-16 20:26:14,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 20:26:14,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 20:26:14,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 20:26:14,688 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 20:26:14,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 20:26:14,741 INFO L208 MainTranslator]: Completed translation [2022-03-16 20:26:14,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14 WrapperNode [2022-03-16 20:26:14,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 20:26:14,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 20:26:14,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 20:26:14,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 20:26:14,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,783 INFO L137 Inliner]: procedures = 159, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-03-16 20:26:14,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 20:26:14,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 20:26:14,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 20:26:14,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 20:26:14,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 20:26:14,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 20:26:14,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 20:26:14,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 20:26:14,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (1/1) ... [2022-03-16 20:26:14,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 20:26:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 20:26:14,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 20:26:14,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 20:26:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 20:26:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 20:26:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 20:26:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 20:26:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 20:26:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 20:26:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 20:26:14,882 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 20:26:15,020 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 20:26:15,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 20:26:15,115 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 20:26:15,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 20:26:15,121 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 20:26:15,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 08:26:15 BoogieIcfgContainer [2022-03-16 20:26:15,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 20:26:15,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 20:26:15,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 20:26:15,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 20:26:15,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 08:26:14" (1/3) ... [2022-03-16 20:26:15,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164efbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:26:15, skipping insertion in model container [2022-03-16 20:26:15,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:26:14" (2/3) ... [2022-03-16 20:26:15,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164efbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:26:15, skipping insertion in model container [2022-03-16 20:26:15,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 08:26:15" (3/3) ... [2022-03-16 20:26:15,131 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_25-single_acc.i [2022-03-16 20:26:15,136 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 20:26:15,137 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 20:26:15,137 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-16 20:26:15,137 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 20:26:15,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,175 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,175 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,176 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,176 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,189 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,189 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,191 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,191 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 20:26:15,192 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 20:26:15,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 20:26:15,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 20:26:15,236 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) [2022-03-16 20:26:15,242 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 [2022-03-16 20:26:15,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 20:26:15,286 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, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 20:26:15,287 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-16 20:26:15,376 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32 transitions and produced 33 states. [2022-03-16 20:26:15,379 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-03-16 20:26:15,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 20:26:15,387 INFO L85 PathProgramCache]: Analyzing trace with hash 871267609, now seen corresponding path program 1 times [2022-03-16 20:26:15,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 20:26:15,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483920646] [2022-03-16 20:26:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 20:26:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 20:26:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 20:26:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 20:26:15,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 20:26:15,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483920646] [2022-03-16 20:26:15,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483920646] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 20:26:15,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 20:26:15,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 20:26:15,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851116221] [2022-03-16 20:26:15,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 20:26:15,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 20:26:15,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 20:26:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 20:26:15,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 20:26:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 20:26:15,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 20:26:15,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 20:26:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 20:26:15,711 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 43 transitions and produced 44 states. [2022-03-16 20:26:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:15,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 20:26:15,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-03-16 20:26:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 20:26:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1858608042, now seen corresponding path program 1 times [2022-03-16 20:26:15,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 20:26:15,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443185046] [2022-03-16 20:26:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 20:26:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 20:26:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 20:26:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 20:26:15,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 20:26:15,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443185046] [2022-03-16 20:26:15,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443185046] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 20:26:15,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 20:26:15,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 20:26:15,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966774057] [2022-03-16 20:26:15,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 20:26:15,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 20:26:15,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 20:26:15,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 20:26:15,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 20:26:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 20:26:15,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 20:26:15,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 20:26:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 20:26:16,014 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-03-16 20:26:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:16,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 20:26:16,016 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-03-16 20:26:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 20:26:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1401974771, now seen corresponding path program 1 times [2022-03-16 20:26:16,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 20:26:16,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309017452] [2022-03-16 20:26:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 20:26:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 20:26:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 20:26:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 20:26:16,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 20:26:16,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309017452] [2022-03-16 20:26:16,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309017452] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 20:26:16,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 20:26:16,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 20:26:16,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822869491] [2022-03-16 20:26:16,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 20:26:16,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 20:26:16,083 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 20:26:16,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 20:26:16,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 20:26:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 20:26:16,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 20:26:16,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 20:26:16,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:16,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 20:26:16,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.