/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 12:00:30,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 12:00:30,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 12:00:30,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 12:00:30,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 12:00:30,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 12:00:30,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 12:00:30,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 12:00:30,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 12:00:30,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 12:00:30,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 12:00:30,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 12:00:30,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 12:00:30,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 12:00:30,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 12:00:30,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 12:00:30,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 12:00:30,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 12:00:30,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 12:00:30,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 12:00:30,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 12:00:30,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 12:00:30,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 12:00:30,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 12:00:30,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 12:00:30,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 12:00:30,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 12:00:30,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 12:00:30,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-01-29 12:00:30,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 12:00:30,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 12:00:30,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 12:00:30,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 12:00:30,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 12:00:30,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 12:00:30,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 12:00:30,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 12:00:30,467 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 12:00:30,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 12:00:30,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 12:00:30,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 12:00:30,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:00:30,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 12:00:30,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 12:00:30,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 12:00:30,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 12:00:30,471 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 12:00:30,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 12:00:30,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 12:00:30,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 12:00:30,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 12:00:30,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 12:00:30,744 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 12:00:30,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-01-29 12:00:30,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f589d31/dfaf4c802be4471da0f6293c47c7f037/FLAG82f2dd050 [2022-01-29 12:00:31,181 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 12:00:31,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-01-29 12:00:31,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f589d31/dfaf4c802be4471da0f6293c47c7f037/FLAG82f2dd050 [2022-01-29 12:00:31,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f589d31/dfaf4c802be4471da0f6293c47c7f037 [2022-01-29 12:00:31,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 12:00:31,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 12:00:31,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 12:00:31,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 12:00:31,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 12:00:31,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb4183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31, skipping insertion in model container [2022-01-29 12:00:31,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 12:00:31,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 12:00:31,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-01-29 12:00:31,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 12:00:31,464 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 12:00:31,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-01-29 12:00:31,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 12:00:31,504 INFO L208 MainTranslator]: Completed translation [2022-01-29 12:00:31,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31 WrapperNode [2022-01-29 12:00:31,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 12:00:31,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 12:00:31,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 12:00:31,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 12:00:31,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,545 INFO L137 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-01-29 12:00:31,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 12:00:31,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 12:00:31,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 12:00:31,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 12:00:31,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 12:00:31,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 12:00:31,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 12:00:31,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 12:00:31,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (1/1) ... [2022-01-29 12:00:31,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:00:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:00:31,649 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) [2022-01-29 12:00:31,703 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 [2022-01-29 12:00:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 12:00:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 12:00:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 12:00:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 12:00:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 12:00:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 12:00:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 12:00:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 12:00:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 12:00:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 12:00:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-29 12:00:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-29 12:00:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 12:00:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 12:00:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 12:00:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 12:00:31,730 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 12:00:31,822 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 12:00:31,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 12:00:31,999 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 12:00:32,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 12:00:32,022 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 12:00:32,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:00:32 BoogieIcfgContainer [2022-01-29 12:00:32,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 12:00:32,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 12:00:32,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 12:00:32,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 12:00:32,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:00:31" (1/3) ... [2022-01-29 12:00:32,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32976980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:00:32, skipping insertion in model container [2022-01-29 12:00:32,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:00:31" (2/3) ... [2022-01-29 12:00:32,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32976980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:00:32, skipping insertion in model container [2022-01-29 12:00:32,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:00:32" (3/3) ... [2022-01-29 12:00:32,053 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2022-01-29 12:00:32,058 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 12:00:32,058 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 12:00:32,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 12:00:32,059 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 12:00:32,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,114 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 12:00:32,124 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 12:00:32,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 12:00:32,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:00:32,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 12:00:32,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 12:00:32,220 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 12:00:32,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 12:00:32,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 12:00:32,842 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 12:00:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:00:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash 410438165, now seen corresponding path program 1 times [2022-01-29 12:00:32,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:00:32,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999212326] [2022-01-29 12:00:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:00:32,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:00:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:00:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:00:33,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:00:33,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999212326] [2022-01-29 12:00:33,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999212326] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:00:33,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:00:33,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 12:00:33,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199531610] [2022-01-29 12:00:33,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:00:33,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-29 12:00:33,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:00:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-29 12:00:33,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-29 12:00:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:00:33,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:00:33,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2022-01-29 12:00:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:00:33,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:00:33,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 12:00:33,425 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 12:00:33,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:00:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash 163918024, now seen corresponding path program 1 times [2022-01-29 12:00:33,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:00:33,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894346437] [2022-01-29 12:00:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:00:33,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:00:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:00:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:00:33,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:00:33,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894346437] [2022-01-29 12:00:33,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894346437] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:00:33,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:00:33,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-29 12:00:33,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570762213] [2022-01-29 12:00:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:00:33,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-29 12:00:33,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:00:33,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-29 12:00:33,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-01-29 12:00:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:00:33,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:00:33,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 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) [2022-01-29 12:00:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:00:33,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.