/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/05-lval_ls_02-idx_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-17 02:05:28,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-17 02:05:28,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-17 02:05:28,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-17 02:05:28,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-17 02:05:28,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-17 02:05:28,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-17 02:05:28,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-17 02:05:28,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-17 02:05:28,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-17 02:05:28,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-17 02:05:28,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-17 02:05:28,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-17 02:05:28,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-17 02:05:28,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-17 02:05:28,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-17 02:05:28,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-17 02:05:28,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-17 02:05:28,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-17 02:05:28,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-17 02:05:28,194 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 [2022-02-17 02:05:28,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-17 02:05:28,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-17 02:05:28,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-17 02:05:28,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-17 02:05:28,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-17 02:05:28,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-17 02:05:28,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-17 02:05:28,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-17 02:05:28,235 INFO L138 SettingsManager]: * Use SBE=true [2022-02-17 02:05:28,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-17 02:05:28,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-17 02:05:28,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-17 02:05:28,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-17 02:05:28,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-17 02:05:28,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-17 02:05:28,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-17 02:05:28,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 02:05:28,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-17 02:05:28,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-17 02:05:28,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-17 02:05:28,240 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-17 02:05:28,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-17 02:05:28,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-17 02:05:28,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-17 02:05:28,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-17 02:05:28,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-17 02:05:28,496 INFO L275 PluginConnector]: CDTParser initialized [2022-02-17 02:05:28,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i [2022-02-17 02:05:28,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64b83582/5f06865056a84b668ed6ac7ed9bf8e04/FLAGe2a74bbe5 [2022-02-17 02:05:28,950 INFO L306 CDTParser]: Found 1 translation units. [2022-02-17 02:05:28,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i [2022-02-17 02:05:28,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64b83582/5f06865056a84b668ed6ac7ed9bf8e04/FLAGe2a74bbe5 [2022-02-17 02:05:29,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64b83582/5f06865056a84b668ed6ac7ed9bf8e04 [2022-02-17 02:05:29,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-17 02:05:29,301 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-17 02:05:29,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-17 02:05:29,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-17 02:05:29,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-17 02:05:29,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f646ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29, skipping insertion in model container [2022-02-17 02:05:29,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-17 02:05:29,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-17 02:05:29,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 02:05:29,623 INFO L203 MainTranslator]: Completed pre-run [2022-02-17 02:05:29,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-17 02:05:29,718 INFO L208 MainTranslator]: Completed translation [2022-02-17 02:05:29,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29 WrapperNode [2022-02-17 02:05:29,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-17 02:05:29,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-17 02:05:29,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-17 02:05:29,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-17 02:05:29,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,777 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-02-17 02:05:29,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-17 02:05:29,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-17 02:05:29,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-17 02:05:29,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-17 02:05:29,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-17 02:05:29,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-17 02:05:29,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-17 02:05:29,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-17 02:05:29,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (1/1) ... [2022-02-17 02:05:29,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-17 02:05:29,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:05:29,848 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) [2022-02-17 02:05:29,867 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 [2022-02-17 02:05:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-17 02:05:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-17 02:05:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-17 02:05:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-17 02:05:29,887 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-17 02:05:30,035 INFO L234 CfgBuilder]: Building ICFG [2022-02-17 02:05:30,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-17 02:05:30,180 INFO L275 CfgBuilder]: Performing block encoding [2022-02-17 02:05:30,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-17 02:05:30,186 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-17 02:05:30,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 02:05:30 BoogieIcfgContainer [2022-02-17 02:05:30,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-17 02:05:30,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-17 02:05:30,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-17 02:05:30,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-17 02:05:30,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 02:05:29" (1/3) ... [2022-02-17 02:05:30,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d69fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 02:05:30, skipping insertion in model container [2022-02-17 02:05:30,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 02:05:29" (2/3) ... [2022-02-17 02:05:30,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d69fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 02:05:30, skipping insertion in model container [2022-02-17 02:05:30,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 02:05:30" (3/3) ... [2022-02-17 02:05:30,195 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_02-idx_nr.i [2022-02-17 02:05:30,199 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-17 02:05:30,199 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-17 02:05:30,199 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-17 02:05:30,199 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-17 02:05:30,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,229 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,229 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,230 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,230 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,242 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,245 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-17 02:05:30,247 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-17 02:05:30,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-17 02:05:30,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:05:30,284 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) [2022-02-17 02:05:30,285 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 [2022-02-17 02:05:30,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-17 02:05:30,311 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 [2022-02-17 02:05:30,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-17 02:05:30,373 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 35 states. [2022-02-17 02:05:30,376 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-17 02:05:30,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:05:30,380 INFO L85 PathProgramCache]: Analyzing trace with hash -960267410, now seen corresponding path program 1 times [2022-02-17 02:05:30,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:05:30,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816526532] [2022-02-17 02:05:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:30,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:05:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:05:30,521 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:05:30,521 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816526532] [2022-02-17 02:05:30,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816526532] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:05:30,522 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 02:05:30,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-17 02:05:30,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629709548] [2022-02-17 02:05:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:05:30,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-17 02:05:30,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:05:30,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-17 02:05:30,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-17 02:05:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:05:30,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2022-02-17 02:05:30,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,569 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 35 states. [2022-02-17 02:05:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-17 02:05:30,571 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-17 02:05:30,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:05:30,572 INFO L85 PathProgramCache]: Analyzing trace with hash -831184691, now seen corresponding path program 1 times [2022-02-17 02:05:30,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:05:30,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821948019] [2022-02-17 02:05:30,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:30,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:05:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:05:30,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:05:30,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821948019] [2022-02-17 02:05:30,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821948019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:05:30,628 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-17 02:05:30,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-17 02:05:30,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940010750] [2022-02-17 02:05:30,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:05:30,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-17 02:05:30,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:05:30,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-17 02:05:30,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-17 02:05:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:05:30,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-02-17 02:05:30,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,664 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 41 transitions and produced 42 states. [2022-02-17 02:05:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:30,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-17 02:05:30,671 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-17 02:05:30,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:05:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1681146568, now seen corresponding path program 1 times [2022-02-17 02:05:30,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:05:30,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876419660] [2022-02-17 02:05:30,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:30,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:05:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:05:30,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:05:30,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876419660] [2022-02-17 02:05:30,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876419660] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-17 02:05:30,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737010678] [2022-02-17 02:05:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:30,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:05:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:05:30,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-17 02:05:30,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-17 02:05:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:30,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-17 02:05:30,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-17 02:05:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-17 02:05:30,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-17 02:05:30,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737010678] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:05:30,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-17 02:05:30,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-17 02:05:30,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771559989] [2022-02-17 02:05:30,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:05:30,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-17 02:05:30,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:05:30,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-17 02:05:30,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-17 02:05:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:05:30,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-02-17 02:05:30,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:30,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,939 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-17 02:05:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:30,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-17 02:05:31,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-17 02:05:31,166 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-17 02:05:31,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:05:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times [2022-02-17 02:05:31,167 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:05:31,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837718462] [2022-02-17 02:05:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:31,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:05:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:05:31,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:05:31,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837718462] [2022-02-17 02:05:31,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837718462] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-17 02:05:31,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526833011] [2022-02-17 02:05:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:31,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:05:31,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:05:31,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-17 02:05:31,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-17 02:05:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:31,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-17 02:05:31,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-17 02:05:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-17 02:05:31,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-17 02:05:31,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526833011] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:05:31,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-17 02:05:31,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-17 02:05:31,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443542055] [2022-02-17 02:05:31,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:05:31,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-17 02:05:31,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:05:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-17 02:05:31,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-17 02:05:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:31,432 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:05:31,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-17 02:05:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:31,543 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-02-17 02:05:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:31,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-17 02:05:31,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:05:31,765 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-17 02:05:31,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-17 02:05:31,766 INFO L85 PathProgramCache]: Analyzing trace with hash -604649448, now seen corresponding path program 1 times [2022-02-17 02:05:31,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-17 02:05:31,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642253460] [2022-02-17 02:05:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:31,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-17 02:05:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-17 02:05:31,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-17 02:05:31,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642253460] [2022-02-17 02:05:31,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642253460] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-17 02:05:31,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589447146] [2022-02-17 02:05:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-17 02:05:31,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-17 02:05:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-17 02:05:31,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-17 02:05:31,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-17 02:05:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-17 02:05:31,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-17 02:05:31,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-17 02:05:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-17 02:05:31,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-17 02:05:32,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589447146] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-17 02:05:32,003 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-17 02:05:32,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-17 02:05:32,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272175579] [2022-02-17 02:05:32,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-17 02:05:32,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-17 02:05:32,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-17 02:05:32,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-17 02:05:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-17 02:05:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:32,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-17 02:05:32,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-02-17 02:05:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-17 02:05:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-17 02:05:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.