/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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-c7b2d19 [2022-03-15 20:13:06,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:06,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:06,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:06,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:06,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:06,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:06,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:06,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:06,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:06,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:06,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:06,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:06,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:06,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:06,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:06,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:06,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:06,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:06,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:06,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:06,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:06,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:06,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:06,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:06,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:06,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:06,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:06,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:06,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 20:13:06,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:06,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:06,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:06,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:06,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:06,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:06,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:06,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:06,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:06,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:06,265 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:06,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:06,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:06,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:06,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:06,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:06,268 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:06,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:06,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:06,268 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:06,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:06,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:06,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:06,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:06,496 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:06,497 INFO L432 ainManager$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 [2022-03-15 20:13:06,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f359903c1/367ffaee752046729facc253447a0355/FLAGf43ad9869 [2022-03-15 20:13:06,937 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:06,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i [2022-03-15 20:13:06,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f359903c1/367ffaee752046729facc253447a0355/FLAGf43ad9869 [2022-03-15 20:13:06,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f359903c1/367ffaee752046729facc253447a0355 [2022-03-15 20:13:06,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:06,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:06,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:06,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:06,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:06,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:06" (1/1) ... [2022-03-15 20:13:06,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7813a981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:06, skipping insertion in model container [2022-03-15 20:13:06,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:06" (1/1) ... [2022-03-15 20:13:06,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:07,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:07,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:07,332 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:07,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:07,390 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:07,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07 WrapperNode [2022-03-15 20:13:07,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:07,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:07,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:07,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:07,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,434 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-03-15 20:13:07,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:07,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:07,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:07,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:07,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:07,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:07,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:07,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:07,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (1/1) ... [2022-03-15 20:13:07,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:07,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:07,483 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) [2022-03-15 20:13:07,497 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 [2022-03-15 20:13:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:07,511 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:13:07,618 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:07,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:07,767 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:07,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:07,773 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 20:13:07,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:07 BoogieIcfgContainer [2022-03-15 20:13:07,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:07,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:07,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:07,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:07,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:06" (1/3) ... [2022-03-15 20:13:07,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2febbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:07, skipping insertion in model container [2022-03-15 20:13:07,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:07" (2/3) ... [2022-03-15 20:13:07,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2febbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:07, skipping insertion in model container [2022-03-15 20:13:07,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:07" (3/3) ... [2022-03-15 20:13:07,782 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_02-idx_nr.i [2022-03-15 20:13:07,786 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:07,786 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:07,786 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 20:13:07,786 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,818 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,818 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,828 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,829 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:07,831 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:07,868 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:07,873 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:07,874 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 20:13:07,884 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:07,889 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 65 transitions, 135 flow [2022-03-15 20:13:07,892 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 65 transitions, 135 flow [2022-03-15 20:13:07,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 65 transitions, 135 flow [2022-03-15 20:13:07,928 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2022-03-15 20:13:07,928 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:07,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-03-15 20:13:07,934 INFO L116 LiptonReduction]: Number of co-enabled transitions 748 [2022-03-15 20:13:08,804 INFO L131 LiptonReduction]: Checked pairs total: 2568 [2022-03-15 20:13:08,805 INFO L133 LiptonReduction]: Total number of compositions: 41 [2022-03-15 20:13:08,815 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 55 flow [2022-03-15 20:13:08,852 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 120 states, 112 states have (on average 1.9285714285714286) internal successors, (216), 119 states have internal predecessors, (216), 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) [2022-03-15 20:13:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 112 states have (on average 1.9285714285714286) internal successors, (216), 119 states have internal predecessors, (216), 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) [2022-03-15 20:13:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 20:13:08,857 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:08,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 20:13:08,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:08,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1849840421, now seen corresponding path program 1 times [2022-03-15 20:13:08,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:08,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397925489] [2022-03-15 20:13:08,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:09,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:09,037 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397925489] [2022-03-15 20:13:09,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397925489] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:09,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:09,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:13:09,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1129006596] [2022-03-15 20:13:09,040 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:09,044 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:09,052 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2022-03-15 20:13:09,052 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:09,055 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:09,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:09,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:09,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:09,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:09,078 INFO L87 Difference]: Start difference. First operand has 120 states, 112 states have (on average 1.9285714285714286) internal successors, (216), 119 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-03-15 20:13:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:09,115 INFO L93 Difference]: Finished difference Result 121 states and 217 transitions. [2022-03-15 20:13:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:09,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-03-15 20:13:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:09,134 INFO L225 Difference]: With dead ends: 121 [2022-03-15 20:13:09,134 INFO L226 Difference]: Without dead ends: 121 [2022-03-15 20:13:09,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:09,137 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:09,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-03-15 20:13:09,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2022-03-15 20:13:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 113 states have (on average 1.920353982300885) internal successors, (217), 120 states have internal predecessors, (217), 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) [2022-03-15 20:13:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 217 transitions. [2022-03-15 20:13:09,177 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 217 transitions. Word has length 6 [2022-03-15 20:13:09,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:09,181 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 217 transitions. [2022-03-15 20:13:09,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-03-15 20:13:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 217 transitions. [2022-03-15 20:13:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 20:13:09,183 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:09,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:09,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:09,183 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:09,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1419722367, now seen corresponding path program 1 times [2022-03-15 20:13:09,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:09,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178764274] [2022-03-15 20:13:09,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:09,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:09,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178764274] [2022-03-15 20:13:09,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178764274] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:09,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570719906] [2022-03-15 20:13:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:09,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:09,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:09,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:13:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:09,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:09,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:13:09,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:09,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570719906] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:09,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:09,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-03-15 20:13:09,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1378141642] [2022-03-15 20:13:09,348 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:09,348 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:09,350 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 20:13:09,350 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:09,350 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:09,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:09,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:09,351 INFO L87 Difference]: Start difference. First operand 121 states and 217 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-03-15 20:13:09,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:09,403 INFO L93 Difference]: Finished difference Result 140 states and 247 transitions. [2022-03-15 20:13:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 20:13:09,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:09,406 INFO L225 Difference]: With dead ends: 140 [2022-03-15 20:13:09,406 INFO L226 Difference]: Without dead ends: 140 [2022-03-15 20:13:09,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:09,407 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:09,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 11 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-03-15 20:13:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 116. [2022-03-15 20:13:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 109 states have (on average 1.8807339449541285) internal successors, (205), 115 states have internal predecessors, (205), 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) [2022-03-15 20:13:09,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 205 transitions. [2022-03-15 20:13:09,415 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 205 transitions. Word has length 7 [2022-03-15 20:13:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:09,415 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 205 transitions. [2022-03-15 20:13:09,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-03-15 20:13:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2022-03-15 20:13:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:13:09,416 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:09,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:09,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:09,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:09,634 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:09,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:09,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1568355131, now seen corresponding path program 1 times [2022-03-15 20:13:09,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:09,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116639899] [2022-03-15 20:13:09,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:09,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:09,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:09,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116639899] [2022-03-15 20:13:09,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116639899] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:09,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169981009] [2022-03-15 20:13:09,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:09,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:09,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:09,696 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) [2022-03-15 20:13:09,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:13:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:09,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:09,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:13:09,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:09,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169981009] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:09,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:09,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-03-15 20:13:09,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [20571424] [2022-03-15 20:13:09,816 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:09,816 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:09,818 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:13:09,818 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:09,818 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:09,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:09,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:09,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:09,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:09,819 INFO L87 Difference]: Start difference. First operand 116 states and 205 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:09,855 INFO L93 Difference]: Finished difference Result 125 states and 219 transitions. [2022-03-15 20:13:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:09,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 20:13:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:09,856 INFO L225 Difference]: With dead ends: 125 [2022-03-15 20:13:09,856 INFO L226 Difference]: Without dead ends: 111 [2022-03-15 20:13:09,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:09,861 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:09,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:09,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-03-15 20:13:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2022-03-15 20:13:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 99 states have (on average 1.8181818181818181) internal successors, (180), 104 states have internal predecessors, (180), 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) [2022-03-15 20:13:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 180 transitions. [2022-03-15 20:13:09,878 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 180 transitions. Word has length 11 [2022-03-15 20:13:09,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:09,878 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 180 transitions. [2022-03-15 20:13:09,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2022-03-15 20:13:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:13:09,879 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:09,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:09,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:10,091 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 [2022-03-15 20:13:10,092 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash 374965114, now seen corresponding path program 1 times [2022-03-15 20:13:10,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:10,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363613808] [2022-03-15 20:13:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:10,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:10,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:10,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363613808] [2022-03-15 20:13:10,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363613808] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:10,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182227136] [2022-03-15 20:13:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:10,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:10,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:10,128 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) [2022-03-15 20:13:10,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:13:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:10,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:10,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:13:10,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:10,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182227136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:10,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:10,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-03-15 20:13:10,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [448958812] [2022-03-15 20:13:10,199 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:10,199 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:10,200 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:13:10,200 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:10,200 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:10,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:10,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:10,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:10,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:10,201 INFO L87 Difference]: Start difference. First operand 105 states and 180 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:10,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:10,229 INFO L93 Difference]: Finished difference Result 104 states and 172 transitions. [2022-03-15 20:13:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:10,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 20:13:10,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:10,230 INFO L225 Difference]: With dead ends: 104 [2022-03-15 20:13:10,230 INFO L226 Difference]: Without dead ends: 90 [2022-03-15 20:13:10,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:10,230 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:10,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-03-15 20:13:10,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-03-15 20:13:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 86 states have (on average 1.6395348837209303) internal successors, (141), 89 states have internal predecessors, (141), 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) [2022-03-15 20:13:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2022-03-15 20:13:10,234 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 11 [2022-03-15 20:13:10,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:10,235 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2022-03-15 20:13:10,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-03-15 20:13:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2022-03-15 20:13:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:10,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:10,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:10,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:10,452 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 [2022-03-15 20:13:10,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:10,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:10,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2064781000, now seen corresponding path program 1 times [2022-03-15 20:13:10,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:10,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698780156] [2022-03-15 20:13:10,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:10,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:10,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:10,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698780156] [2022-03-15 20:13:10,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698780156] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:10,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237580581] [2022-03-15 20:13:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:10,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:10,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:10,502 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) [2022-03-15 20:13:10,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:13:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:10,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:10,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:10,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:10,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237580581] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:10,614 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:10,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-03-15 20:13:10,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [628559030] [2022-03-15 20:13:10,614 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:10,615 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:10,616 INFO L252 McrAutomatonBuilder]: Finished intersection with 24 states and 31 transitions. [2022-03-15 20:13:10,616 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:10,667 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:10,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:13:10,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:13:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:10,668 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-03-15 20:13:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:10,685 INFO L93 Difference]: Finished difference Result 91 states and 142 transitions. [2022-03-15 20:13:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:10,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 20:13:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:10,686 INFO L225 Difference]: With dead ends: 91 [2022-03-15 20:13:10,686 INFO L226 Difference]: Without dead ends: 91 [2022-03-15 20:13:10,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:10,687 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:10,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-03-15 20:13:10,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-03-15 20:13:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.632183908045977) internal successors, (142), 90 states have internal predecessors, (142), 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) [2022-03-15 20:13:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions. [2022-03-15 20:13:10,700 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 13 [2022-03-15 20:13:10,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:10,701 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 142 transitions. [2022-03-15 20:13:10,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-03-15 20:13:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2022-03-15 20:13:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:10,702 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:10,702 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:10,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:10,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:10,921 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:10,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:10,922 INFO L85 PathProgramCache]: Analyzing trace with hash -781224494, now seen corresponding path program 2 times [2022-03-15 20:13:10,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:10,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429349269] [2022-03-15 20:13:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:10,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:10,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429349269] [2022-03-15 20:13:10,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429349269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:10,974 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:10,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:13:10,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1160205615] [2022-03-15 20:13:10,975 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:10,976 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:10,977 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2022-03-15 20:13:10,977 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:11,028 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2115#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) (+ |~#m~0.offset| 96)) 0))] [2022-03-15 20:13:11,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:13:11,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:11,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:13:11,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:13:11,029 INFO L87 Difference]: Start difference. First operand 91 states and 142 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-03-15 20:13:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:11,055 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-03-15 20:13:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:11,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 20:13:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:11,056 INFO L225 Difference]: With dead ends: 18 [2022-03-15 20:13:11,056 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:13:11,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:11,057 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 22 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:11,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 6 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:11,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:13:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:13:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-03-15 20:13:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:13:11,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-03-15 20:13:11,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:11,058 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:13:11,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-03-15 20:13:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:13:11,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 20:13:11,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 20:13:11,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:13:11,062 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-03-15 20:13:11,067 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:13:11,068 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:13:11,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:13:11 BasicIcfg [2022-03-15 20:13:11,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:13:11,070 INFO L158 Benchmark]: Toolchain (without parser) took 4091.68ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 133.2MB in the beginning and 137.2MB in the end (delta: -4.0MB). Peak memory consumption was 52.9MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,070 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:13:11,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.57ms. Allocated memory is still 185.6MB. Free memory was 133.0MB in the beginning and 151.6MB in the end (delta: -18.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.62ms. Allocated memory is still 185.6MB. Free memory was 151.6MB in the beginning and 149.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,071 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 185.6MB. Free memory was 149.6MB in the beginning and 148.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,071 INFO L158 Benchmark]: RCFGBuilder took 319.04ms. Allocated memory is still 185.6MB. Free memory was 148.5MB in the beginning and 136.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,071 INFO L158 Benchmark]: TraceAbstraction took 3293.88ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 136.0MB in the beginning and 137.2MB in the end (delta: -1.2MB). Peak memory consumption was 55.4MB. Max. memory is 8.0GB. [2022-03-15 20:13:11,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.57ms. Allocated memory is still 185.6MB. Free memory was 133.0MB in the beginning and 151.6MB in the end (delta: -18.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.62ms. Allocated memory is still 185.6MB. Free memory was 151.6MB in the beginning and 149.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 185.6MB. Free memory was 149.6MB in the beginning and 148.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 319.04ms. Allocated memory is still 185.6MB. Free memory was 148.5MB in the beginning and 136.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3293.88ms. Allocated memory was 185.6MB in the beginning and 241.2MB in the end (delta: 55.6MB). Free memory was 136.0MB in the beginning and 137.2MB in the end (delta: -1.2MB). Peak memory consumption was 55.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9s, 67 PlacesBefore, 28 PlacesAfterwards, 65 TransitionsBefore, 25 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 41 TotalNumberOfCompositions, 2568 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1069, positive: 874, positive conditional: 0, positive unconditional: 874, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 389, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1069, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 389, unknown conditional: 0, unknown unconditional: 389] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 56 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=1, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 6/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:13:11,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...