/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 18:35:34,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 18:35:34,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 18:35:34,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 18:35:34,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 18:35:34,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 18:35:34,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 18:35:34,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 18:35:34,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 18:35:34,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 18:35:34,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 18:35:34,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 18:35:34,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 18:35:34,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 18:35:34,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 18:35:34,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 18:35:34,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 18:35:34,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 18:35:34,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 18:35:34,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 18:35:34,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 18:35:34,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 18:35:34,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 18:35:34,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 18:35:34,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-08 18:35:34,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-08 18:35:34,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-08 18:35:34,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-08 18:35:34,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-08 18:35:34,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-08 18:35:34,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 18:35:34,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 18:35:34,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 18:35:34,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 18:35:34,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 18:35:34,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 18:35:34,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 18:35:34,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 18:35:34,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 18:35:34,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 18:35:34,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 18:35:34,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-08 18:35:34,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 18:35:34,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 18:35:34,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 18:35:34,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 18:35:34,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 18:35:34,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 18:35:34,225 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 18:35:34,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 18:35:34,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 18:35:34,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 18:35:34,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 18:35:34,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 18:35:34,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 18:35:34,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 18:35:34,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 18:35:34,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 18:35:34,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 18:35:34,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 18:35:34,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 18:35:34,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 18:35:34,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 18:35:34,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-08 18:35:34,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 18:35:34,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:35:34,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 18:35:34,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 18:35:34,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 18:35:34,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 18:35:34,230 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-08 18:35:34,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 18:35:34,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-08 18:35:34,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-08 18:35:34,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 18:35:34,231 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-08 18:35:34,231 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-08 18:35:34,231 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 18:35:34,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 18:35:34,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 18:35:34,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 18:35:34,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 18:35:34,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 18:35:34,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-10-08 18:35:34,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca93c5c92/abb96cf6b31f4c67a52af3a609fb9b15/FLAG6fb3ceb6a [2021-10-08 18:35:35,391 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 18:35:35,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-10-08 18:35:35,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca93c5c92/abb96cf6b31f4c67a52af3a609fb9b15/FLAG6fb3ceb6a [2021-10-08 18:35:35,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca93c5c92/abb96cf6b31f4c67a52af3a609fb9b15 [2021-10-08 18:35:35,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 18:35:35,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 18:35:35,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 18:35:35,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 18:35:35,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 18:35:35,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:35:35" (1/1) ... [2021-10-08 18:35:35,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67253538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:35, skipping insertion in model container [2021-10-08 18:35:35,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:35:35" (1/1) ... [2021-10-08 18:35:35,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 18:35:35,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 18:35:36,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2663,2676] [2021-10-08 18:35:36,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:35:36,181 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 18:35:36,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2663,2676] [2021-10-08 18:35:36,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:35:36,228 INFO L208 MainTranslator]: Completed translation [2021-10-08 18:35:36,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36 WrapperNode [2021-10-08 18:35:36,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 18:35:36,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 18:35:36,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 18:35:36,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 18:35:36,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 18:35:36,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 18:35:36,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 18:35:36,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 18:35:36,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 18:35:36,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 18:35:36,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 18:35:36,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 18:35:36,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (1/1) ... [2021-10-08 18:35:36,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:35:36,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:35:36,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 18:35:36,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 18:35:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 18:35:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 18:35:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 18:35:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 18:35:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 18:35:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 18:35:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-08 18:35:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-08 18:35:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 18:35:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 18:35:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 18:35:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 18:35:36,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 18:35:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 18:35:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 18:35:36,492 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 18:35:36,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 18:35:36,963 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-08 18:35:36,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:35:36 BoogieIcfgContainer [2021-10-08 18:35:36,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 18:35:36,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 18:35:36,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 18:35:36,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 18:35:36,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 06:35:35" (1/3) ... [2021-10-08 18:35:36,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d23503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:35:36, skipping insertion in model container [2021-10-08 18:35:36,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:35:36" (2/3) ... [2021-10-08 18:35:36,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d23503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:35:36, skipping insertion in model container [2021-10-08 18:35:36,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:35:36" (3/3) ... [2021-10-08 18:35:36,976 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2021-10-08 18:35:36,983 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 18:35:36,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 18:35:36,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-08 18:35:36,984 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 18:35:37,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,058 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,058 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,059 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,059 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,069 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,071 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,072 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:35:37,086 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-08 18:35:37,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-08 18:35:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:35:37,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-08 18:35:37,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-08 18:35:37,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-08 18:35:37,208 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, mConcurrency=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 [2021-10-08 18:35:37,208 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-08 18:35:37,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-08 18:35:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:35:37,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1689183673, now seen corresponding path program 1 times [2021-10-08 18:35:37,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:35:37,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564088217] [2021-10-08 18:35:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:35:37,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:35:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:35:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:35:37,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:35:37,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564088217] [2021-10-08 18:35:37,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564088217] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:35:37,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:35:37,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 18:35:37,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459986819] [2021-10-08 18:35:37,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 18:35:37,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:35:37,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 18:35:37,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 18:35:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:37,693 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:35:37,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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) [2021-10-08 18:35:37,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:37,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:37,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 18:35:37,720 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-08 18:35:37,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:35:37,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1300247392, now seen corresponding path program 1 times [2021-10-08 18:35:37,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:35:37,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331954315] [2021-10-08 18:35:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:35:37,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:35:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:35:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:35:38,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:35:38,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331954315] [2021-10-08 18:35:38,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331954315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:35:38,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:35:38,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-08 18:35:38,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332450633] [2021-10-08 18:35:38,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 18:35:38,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:35:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 18:35:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-08 18:35:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:38,362 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:35:38,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 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) [2021-10-08 18:35:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:35:38,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 18:35:38,736 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-08 18:35:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:35:38,737 INFO L82 PathProgramCache]: Analyzing trace with hash -111724307, now seen corresponding path program 1 times [2021-10-08 18:35:38,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:35:38,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796960172] [2021-10-08 18:35:38,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:35:38,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:35:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:35:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:35:39,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:35:39,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796960172] [2021-10-08 18:35:39,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796960172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:35:39,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:35:39,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-08 18:35:39,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553576425] [2021-10-08 18:35:39,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 18:35:39,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:35:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 18:35:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 18:35:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:35:39,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2021-10-08 18:35:39,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:35:39,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:35:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:35:39,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-08 18:35:39,353 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-08 18:35:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:35:39,354 INFO L82 PathProgramCache]: Analyzing trace with hash -429578995, now seen corresponding path program 1 times [2021-10-08 18:35:39,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:35:39,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929302387] [2021-10-08 18:35:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:35:39,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:35:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:35:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:35:39,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:35:39,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929302387] [2021-10-08 18:35:39,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929302387] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:35:39,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:35:39,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-08 18:35:39,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641423387] [2021-10-08 18:35:39,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 18:35:39,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:35:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 18:35:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 18:35:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,627 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:35:39,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2021-10-08 18:35:39,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:35:39,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:35:39,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:35:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:35:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:35:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:35:39,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-08 18:35:39,872 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-08 18:35:39,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:35:39,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1568367340, now seen corresponding path program 1 times [2021-10-08 18:35:39,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:35:39,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545827189] [2021-10-08 18:35:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:35:39,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:35:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:36:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:36:06,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:36:06,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545827189] [2021-10-08 18:36:06,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545827189] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:36:06,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640512127] [2021-10-08 18:36:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:36:06,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:36:06,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:36:06,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:36:06,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Received shutdown request... [2021-10-08 18:50:21,906 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 18:50:21,906 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 18:50:21,906 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 18:50:22,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2021-10-08 18:50:22,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-08 18:50:23,112 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2021-10-08 18:50:23,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 137 [2021-10-08 18:50:23,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-08 18:50:23,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 18:50:23,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-10-08 18:50:23,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568418527] [2021-10-08 18:50:23,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 18:50:23,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:50:23,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 18:50:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=491, Unknown=4, NotChecked=0, Total=552 [2021-10-08 18:50:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:50:23,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:50:23,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.208333333333333) internal successors, (101), 24 states have internal predecessors, (101), 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) [2021-10-08 18:50:23,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:50:23,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:50:23,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:50:23,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:50:23,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:50:23,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 18:50:23,128 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-10-08 18:50:23,130 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-08 18:50:23,131 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 18:50:23,132 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 18:50:23,132 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-08 18:50:23,132 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-08 18:50:23,144 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 18:50:23,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 18:50:23,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 06:50:23 BasicIcfg [2021-10-08 18:50:23,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 18:50:23,147 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-08 18:50:23,150 INFO L168 Benchmark]: Toolchain (without parser) took 887387.76 ms. Allocated memory was 154.1 MB in the beginning and 190.8 MB in the end (delta: 36.7 MB). Free memory was 129.4 MB in the beginning and 97.8 MB in the end (delta: 31.5 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,150 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory was 125.7 MB in the beginning and 125.3 MB in the end (delta: 414.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 18:50:23,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.72 ms. Allocated memory is still 154.1 MB. Free memory was 128.7 MB in the beginning and 117.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.34 ms. Allocated memory is still 154.1 MB. Free memory was 117.7 MB in the beginning and 116.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,153 INFO L168 Benchmark]: Boogie Preprocessor took 67.61 ms. Allocated memory is still 154.1 MB. Free memory was 116.2 MB in the beginning and 114.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,154 INFO L168 Benchmark]: RCFGBuilder took 600.10 ms. Allocated memory is still 154.1 MB. Free memory was 114.7 MB in the beginning and 101.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,155 INFO L168 Benchmark]: TraceAbstraction took 886179.20 ms. Allocated memory was 154.1 MB in the beginning and 190.8 MB in the end (delta: 36.7 MB). Free memory was 100.7 MB in the beginning and 97.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 8.0 GB. [2021-10-08 18:50:23,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory was 125.7 MB in the beginning and 125.3 MB in the end (delta: 414.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 453.72 ms. Allocated memory is still 154.1 MB. Free memory was 128.7 MB in the beginning and 117.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.34 ms. Allocated memory is still 154.1 MB. Free memory was 117.7 MB in the beginning and 116.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.61 ms. Allocated memory is still 154.1 MB. Free memory was 116.2 MB in the beginning and 114.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 600.10 ms. Allocated memory is still 154.1 MB. Free memory was 114.7 MB in the beginning and 101.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 886179.20 ms. Allocated memory was 154.1 MB in the beginning and 190.8 MB in the end (delta: 36.7 MB). Free memory was 100.7 MB in the beginning and 97.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3402, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 121, negative conditional: 116, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 183, positive unconditional: 3098, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 62, positive unconditional: 3219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 62, positive unconditional: 3219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2668, positive: 2663, positive conditional: 0, positive unconditional: 2663, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2668, positive: 2663, positive conditional: 0, positive unconditional: 2663, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3286, positive: 618, positive conditional: 62, positive unconditional: 556, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2663, Positive conditional cache size: 0, Positive unconditional cache size: 2663, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 121, Maximal queried relation: 0, Independence queries for same thread: 116 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 168, Number of persistent set computation: 154, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2952, positive: 2947, positive conditional: 0, positive unconditional: 2947, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3402, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 121, negative conditional: 116, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 334, positive unconditional: 2947, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 183, positive unconditional: 3098, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 62, positive unconditional: 3219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3286, positive: 3281, positive conditional: 62, positive unconditional: 3219, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2668, positive: 2663, positive conditional: 0, positive unconditional: 2663, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2668, positive: 2663, positive conditional: 0, positive unconditional: 2663, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3286, positive: 618, positive conditional: 62, positive unconditional: 556, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2668, unknown conditional: 0, unknown unconditional: 2668] , Statistics on independence cache: Total cache size (in pairs): 2668, Positive cache size: 2663, Positive conditional cache size: 0, Positive unconditional cache size: 2663, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 121, Maximal queried relation: 0, Independence queries for same thread: 116 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 180 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 885996.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.5ms, PartialOrderReductionTime: 1115.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.7ms SsaConstructionTime, 586.2ms SatisfiabilityAnalysisTime, 27509.0ms InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 8055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown