/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:13:07,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:13:07,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:13:07,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:13:07,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:13:07,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:13:07,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:13:07,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:13:07,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:13:07,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:13:07,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:13:07,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:13:07,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:13:07,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:13:07,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:13:07,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:13:07,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:13:07,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:13:07,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:13:07,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:13:07,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:13:07,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:13:07,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:13:07,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:13:07,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:13:07,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:13:07,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:13:07,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:13:07,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:13:07,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:13:07,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:13:07,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:13:07,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:13:07,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:13:07,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:13:07,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:13:07,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:13:07,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:13:07,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:13:07,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:13:07,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:13:07,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:13:07,608 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:13:07,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:13:07,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:13:07,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:13:07,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:13:07,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:13:07,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:13:07,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:13:07,610 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:13:07,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:13:07,611 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:13:07,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:13:07,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:13:07,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:13:07,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:13:07,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:13:07,613 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:13:07,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:13:07,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:13:07,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:13:07,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:13:07,856 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:13:07,856 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:13:07,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-05-20 14:13:07,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aae33a08/afc5a1d2abb2428780aba7a1a712fbda/FLAGc1aa60751 [2023-05-20 14:13:08,274 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:13:08,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-05-20 14:13:08,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aae33a08/afc5a1d2abb2428780aba7a1a712fbda/FLAGc1aa60751 [2023-05-20 14:13:08,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aae33a08/afc5a1d2abb2428780aba7a1a712fbda [2023-05-20 14:13:08,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:13:08,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:13:08,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:13:08,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:13:08,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:13:08,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:13:08" (1/1) ... [2023-05-20 14:13:08,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56369afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:08, skipping insertion in model container [2023-05-20 14:13:08,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:13:08" (1/1) ... [2023-05-20 14:13:08,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:13:08,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:13:08,944 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-parallel-sum-equiv.wvr.c[3770,3783] [2023-05-20 14:13:08,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:13:08,963 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:13:09,000 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-parallel-sum-equiv.wvr.c[3770,3783] [2023-05-20 14:13:09,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:13:09,018 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:13:09,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09 WrapperNode [2023-05-20 14:13:09,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:13:09,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:13:09,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:13:09,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:13:09,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,079 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2023-05-20 14:13:09,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:13:09,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:13:09,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:13:09,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:13:09,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:13:09,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:13:09,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:13:09,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:13:09,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (1/1) ... [2023-05-20 14:13:09,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:13:09,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:09,162 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) [2023-05-20 14:13:09,186 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 [2023-05-20 14:13:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:13:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:13:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 14:13:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 14:13:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 14:13:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:13:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:13:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:13:09,204 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 14:13:09,308 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:13:09,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:13:09,721 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:13:09,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:13:09,900 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 14:13:09,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:13:09 BoogieIcfgContainer [2023-05-20 14:13:09,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:13:09,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:13:09,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:13:09,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:13:09,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:13:08" (1/3) ... [2023-05-20 14:13:09,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cbb29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:13:09, skipping insertion in model container [2023-05-20 14:13:09,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:13:09" (2/3) ... [2023-05-20 14:13:09,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cbb29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:13:09, skipping insertion in model container [2023-05-20 14:13:09,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:13:09" (3/3) ... [2023-05-20 14:13:09,914 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2023-05-20 14:13:09,920 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:13:09,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:13:09,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:13:09,928 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:13:10,073 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-05-20 14:13:10,123 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:13:10,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:13:10,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:10,129 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) [2023-05-20 14:13:10,138 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 [2023-05-20 14:13:10,170 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:13:10,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:13:10,196 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74547cff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:13:10,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 14:13:10,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:10,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:10,493 INFO L85 PathProgramCache]: Analyzing trace with hash 148005566, now seen corresponding path program 1 times [2023-05-20 14:13:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:10,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089134620] [2023-05-20 14:13:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:10,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:13:10,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089134620] [2023-05-20 14:13:10,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089134620] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:13:10,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:13:10,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:13:10,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398018603] [2023-05-20 14:13:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:13:10,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:13:10,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:13:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:13:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:10,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:10,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2023-05-20 14:13:10,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:10,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:13:10,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:10,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash 472969800, now seen corresponding path program 1 times [2023-05-20 14:13:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:10,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37378246] [2023-05-20 14:13:10,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:11,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:11,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37378246] [2023-05-20 14:13:11,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37378246] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:13:11,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:13:11,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 14:13:11,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325054824] [2023-05-20 14:13:11,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:13:11,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 14:13:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:11,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 14:13:11,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 14:13:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:11,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:11,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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) [2023-05-20 14:13:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:11,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:11,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:11,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 14:13:11,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 716231204, now seen corresponding path program 1 times [2023-05-20 14:13:11,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:11,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077047761] [2023-05-20 14:13:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:12,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:12,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077047761] [2023-05-20 14:13:12,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077047761] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:13:12,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:13:12,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 14:13:12,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766182411] [2023-05-20 14:13:12,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:13:12,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 14:13:12,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:12,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 14:13:12,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 14:13:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:12,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:12,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 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) [2023-05-20 14:13:12,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:12,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:12,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:12,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 14:13:12,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:12,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:12,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1594807730, now seen corresponding path program 1 times [2023-05-20 14:13:12,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:12,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204680397] [2023-05-20 14:13:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:12,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:12,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:12,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204680397] [2023-05-20 14:13:12,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204680397] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:12,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934990228] [2023-05-20 14:13:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:12,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:12,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:12,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:12,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 14:13:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:12,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-20 14:13:12,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:13,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:13,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934990228] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:13,364 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:13,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 21 [2023-05-20 14:13:13,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974911324] [2023-05-20 14:13:13,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:13,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-20 14:13:13,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:13,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-20 14:13:13,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2023-05-20 14:13:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,368 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:13,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.428571428571429) internal successors, (282), 21 states have internal predecessors, (282), 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) [2023-05-20 14:13:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:13,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:13,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:13,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 14:13:13,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-20 14:13:13,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:13,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash 508168905, now seen corresponding path program 2 times [2023-05-20 14:13:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:13,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691850040] [2023-05-20 14:13:13,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:13:14,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:14,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691850040] [2023-05-20 14:13:14,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691850040] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:14,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032560902] [2023-05-20 14:13:14,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:13:14,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:14,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:14,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:14,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 14:13:14,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:13:14,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:14,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 14:13:14,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:14,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:15,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032560902] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:15,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:15,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 27 [2023-05-20 14:13:15,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113352563] [2023-05-20 14:13:15,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:15,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 14:13:15,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 14:13:15,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2023-05-20 14:13:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:15,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:15,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.777777777777779) internal successors, (291), 27 states have internal predecessors, (291), 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) [2023-05-20 14:13:15,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:15,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:15,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:15,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:15,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:15,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:15,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:15,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:15,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:15,940 INFO L85 PathProgramCache]: Analyzing trace with hash 547687995, now seen corresponding path program 1 times [2023-05-20 14:13:15,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:15,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835135355] [2023-05-20 14:13:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 14:13:16,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:16,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835135355] [2023-05-20 14:13:16,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835135355] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:16,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877945851] [2023-05-20 14:13:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:16,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:16,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:16,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:16,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 14:13:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:16,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 14:13:16,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 14:13:16,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 14:13:16,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877945851] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:16,957 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:16,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2023-05-20 14:13:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459095962] [2023-05-20 14:13:16,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:16,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 14:13:16,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:16,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 14:13:16,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2023-05-20 14:13:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:16,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:16,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.037037037037036) internal successors, (244), 27 states have internal predecessors, (244), 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) [2023-05-20 14:13:16,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:16,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:16,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:16,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:16,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:16,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:17,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:17,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:17,589 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:17,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:17,590 INFO L85 PathProgramCache]: Analyzing trace with hash 997582248, now seen corresponding path program 2 times [2023-05-20 14:13:17,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:17,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749829560] [2023-05-20 14:13:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:17,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:20,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:20,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749829560] [2023-05-20 14:13:20,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749829560] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:20,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509211240] [2023-05-20 14:13:20,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:13:20,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:20,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:20,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:20,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 14:13:20,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:13:20,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:20,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 98 conjunts are in the unsatisfiable core [2023-05-20 14:13:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:20,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:13:20,997 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 14:13:20,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 14:13:21,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2023-05-20 14:13:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:21,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2023-05-20 14:13:21,888 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:21,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 12 [2023-05-20 14:13:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 14:13:22,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:22,309 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (* 4 c_~i_3~0))) (let ((.cse1 (+ c_~X_0~0.offset 4 .cse4)) (.cse2 (+ 8 c_~X_0~0.offset .cse4))) (and (forall ((v_ArrVal_263 (Array Int Int))) (<= (let ((.cse0 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2) c_~s_2~0)) c_~s_6~0)) (forall ((v_ArrVal_263 (Array Int Int))) (<= c_~s_6~0 (let ((.cse3 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse3 .cse1) (select .cse3 .cse2) c_~s_2~0))))))) is different from false [2023-05-20 14:13:22,440 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_~i_3~0))) (let ((.cse2 (+ c_~X_0~0.offset 4 .cse5)) (.cse3 (+ 8 c_~X_0~0.offset .cse5)) (.cse0 (+ c_~s_6~0 c_~t_8~0))) (and (forall ((v_ArrVal_263 (Array Int Int))) (<= .cse0 (let ((.cse1 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse1 .cse2) (select .cse1 .cse3) c_~s_2~0)))) (forall ((v_ArrVal_263 (Array Int Int))) (<= (let ((.cse4 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse4 .cse2) (select .cse4 .cse3) c_~s_2~0)) .cse0))))) is different from false [2023-05-20 14:13:22,451 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_~i_3~0))) (let ((.cse2 (+ c_~X_0~0.offset 4 .cse5)) (.cse3 (+ 8 c_~X_0~0.offset .cse5)) (.cse0 (+ c_~s_6~0 c_~t_8~0))) (and (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= .cse0 (let ((.cse1 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse1 .cse2) (select .cse1 .cse3) c_~s_2~0)))) (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= (let ((.cse4 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse4 .cse2) (select .cse4 .cse3) c_~s_2~0)) .cse0))))) is different from false [2023-05-20 14:13:22,653 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (* 4 c_~i_3~0))) (let ((.cse2 (+ c_~X_0~0.offset 4 .cse5)) (.cse3 (+ 8 c_~X_0~0.offset .cse5)) (.cse0 (+ c_~s_6~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset 4 (* 4 c_~i_7~0))) c_~t_8~0))) (and (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= .cse0 (let ((.cse1 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse1 .cse2) (select .cse1 .cse3) c_~s_2~0)))) (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= (let ((.cse4 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse4 .cse2) (select .cse4 .cse3) c_~s_2~0)) .cse0))))) is different from false [2023-05-20 14:13:22,665 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~s_6~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset 4 (* 4 c_~i_7~0))) c_~t_8~0)) (.cse1 (+ c_~X_0~0.offset 4)) (.cse2 (+ 8 c_~X_0~0.offset))) (and (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= (let ((.cse0 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2))) .cse3)) (forall ((v_ArrVal_263 (Array Int Int)) (v_ArrVal_262 (Array Int Int))) (<= .cse3 (let ((.cse4 (select (store (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_262) |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_263) c_~X_0~0.base))) (+ (select .cse4 .cse1) (select .cse4 .cse2))))))) is different from false [2023-05-20 14:13:22,710 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:22,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 128 [2023-05-20 14:13:22,718 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:22,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 70 [2023-05-20 14:13:22,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:22,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 30 [2023-05-20 14:13:22,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:13:22,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:13:22,947 INFO L356 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2023-05-20 14:13:22,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 17 [2023-05-20 14:13:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2023-05-20 14:13:23,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509211240] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:23,600 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:23,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 23] total 61 [2023-05-20 14:13:23,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289145515] [2023-05-20 14:13:23,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:23,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-20 14:13:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-20 14:13:23,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=2863, Unknown=28, NotChecked=560, Total=3660 [2023-05-20 14:13:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:23,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:23,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 5.278688524590164) internal successors, (322), 61 states have internal predecessors, (322), 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) [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:23,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:26,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:26,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:26,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:13:26,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:26,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:26,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:26,445 INFO L85 PathProgramCache]: Analyzing trace with hash 78384867, now seen corresponding path program 3 times [2023-05-20 14:13:26,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:26,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082078482] [2023-05-20 14:13:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:26,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:26,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082078482] [2023-05-20 14:13:26,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082078482] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:26,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976509994] [2023-05-20 14:13:26,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:13:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:26,916 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:26,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 14:13:27,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 14:13:27,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:27,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 14:13:27,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:27,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:27,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976509994] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:27,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:27,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 35 [2023-05-20 14:13:27,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927541843] [2023-05-20 14:13:27,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:27,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-20 14:13:27,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-20 14:13:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2023-05-20 14:13:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:27,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:27,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.057142857142857) internal successors, (317), 35 states have internal predecessors, (317), 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) [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:27,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:13:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:13:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:28,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:28,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:28,578 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:28,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:28,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1225581561, now seen corresponding path program 4 times [2023-05-20 14:13:28,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:28,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111915381] [2023-05-20 14:13:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 41 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 14:13:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:29,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111915381] [2023-05-20 14:13:29,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111915381] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:29,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190118913] [2023-05-20 14:13:29,062 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 14:13:29,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:29,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:29,065 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:29,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 14:13:29,200 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 14:13:29,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:29,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 14:13:29,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 14:13:29,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 14:13:29,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190118913] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:29,842 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:29,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 35 [2023-05-20 14:13:29,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214126499] [2023-05-20 14:13:29,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:29,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-20 14:13:29,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:29,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-20 14:13:29,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2023-05-20 14:13:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:29,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:29,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.885714285714286) internal successors, (276), 35 states have internal predecessors, (276), 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) [2023-05-20 14:13:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:29,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:13:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:29,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:30,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 14:13:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:30,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:30,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:30,681 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:30,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1882122397, now seen corresponding path program 5 times [2023-05-20 14:13:30,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:30,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436666891] [2023-05-20 14:13:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:30,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 14:13:31,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:31,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436666891] [2023-05-20 14:13:31,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436666891] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:31,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267743151] [2023-05-20 14:13:31,120 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 14:13:31,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:31,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:31,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:31,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 14:13:31,288 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-20 14:13:31,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:31,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 14:13:31,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 14:13:31,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 14:13:31,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267743151] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:31,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:31,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 25 [2023-05-20 14:13:31,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074350556] [2023-05-20 14:13:31,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:31,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-20 14:13:31,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:31,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-20 14:13:31,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2023-05-20 14:13:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:31,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:31,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.24) internal successors, (331), 25 states have internal predecessors, (331), 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) [2023-05-20 14:13:31,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:31,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:31,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:31,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:31,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 14:13:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 14:13:32,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:32,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 14:13:32,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:13:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1884416798, now seen corresponding path program 6 times [2023-05-20 14:13:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:32,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924445135] [2023-05-20 14:13:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:32,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:36,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:36,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924445135] [2023-05-20 14:13:36,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924445135] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:36,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252287163] [2023-05-20 14:13:36,045 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 14:13:36,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:36,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:36,048 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:36,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 14:13:36,250 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-20 14:13:36,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:36,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 156 conjunts are in the unsatisfiable core [2023-05-20 14:13:36,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:36,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:13:37,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-20 14:13:37,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:13:37,544 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 14:13:37,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 14:13:37,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:13:38,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2023-05-20 14:13:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:38,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2023-05-20 14:13:38,857 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:38,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 21 [2023-05-20 14:13:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:38,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:39,523 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (* 4 c_~i_3~0))) (let ((.cse4 (+ c_~s_6~0 c_~t_8~0)) (.cse1 (+ c_~X_0~0.offset 12 .cse6)) (.cse2 (+ 8 c_~X_0~0.offset .cse6)) (.cse3 (+ c_~X_0~0.offset 4 .cse6))) (and (forall ((v_ArrVal_490 (Array Int Int))) (<= (let ((.cse0 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3) c_~s_2~0)) .cse4)) (forall ((v_ArrVal_490 (Array Int Int))) (<= .cse4 (let ((.cse5 (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse5 .cse1) (select .cse5 .cse2) (select .cse5 .cse3) c_~s_2~0))))))) is different from false [2023-05-20 14:13:39,839 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (* 4 c_~i_3~0))) (let ((.cse5 (+ c_~X_0~0.offset 4 (* 4 c_~i_7~0))) (.cse1 (+ 8 c_~X_0~0.offset .cse8)) (.cse2 (+ c_~X_0~0.offset 12 .cse8)) (.cse3 (+ c_~X_0~0.offset 4 .cse8))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse0 (select (store .cse4 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3) c_~s_2~0)) (+ c_~s_6~0 c_~t_8~0 (select (select .cse4 c_~X_0~0.base) .cse5))))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (+ c_~s_6~0 c_~t_8~0 (select (select .cse6 c_~X_0~0.base) .cse5)) (let ((.cse7 (select (store .cse6 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse7 .cse1) (select .cse7 .cse2) (select .cse7 .cse3) c_~s_2~0)))))))) is different from false [2023-05-20 14:13:40,083 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (* 4 c_~i_7~0)) (.cse10 (* 4 c_~i_3~0))) (let ((.cse4 (+ 8 c_~X_0~0.offset .cse10)) (.cse5 (+ c_~X_0~0.offset 12 .cse10)) (.cse6 (+ c_~X_0~0.offset 4 .cse10)) (.cse1 (+ 8 c_~X_0~0.offset .cse9)) (.cse2 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset 4 .cse9)))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (+ c_~s_6~0 (select (select .cse0 c_~X_0~0.base) .cse1) .cse2 c_~t_8~0) (let ((.cse3 (select (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse3 .cse4) (select .cse3 .cse5) (select .cse3 .cse6) c_~s_2~0))))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse7 (select (store .cse8 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse7 .cse4) (select .cse7 .cse5) (select .cse7 .cse6) c_~s_2~0)) (+ c_~s_6~0 (select (select .cse8 c_~X_0~0.base) .cse1) .cse2 c_~t_8~0))))))) is different from false [2023-05-20 14:13:40,094 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (* 4 c_~i_7~0))) (let ((.cse5 (+ 8 c_~X_0~0.offset .cse9)) (.cse6 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset 4 .cse9))) (.cse1 (+ c_~X_0~0.offset 12)) (.cse2 (+ 8 c_~X_0~0.offset)) (.cse3 (+ c_~X_0~0.offset 4))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse0 (select (store .cse4 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3))) (+ c_~s_6~0 (select (select .cse4 c_~X_0~0.base) .cse5) .cse6 c_~t_8~0)))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (+ c_~s_6~0 (select (select .cse7 c_~X_0~0.base) .cse5) .cse6 c_~t_8~0) (let ((.cse8 (select (store .cse7 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse8 .cse1) (select .cse8 .cse2) (select .cse8 .cse3))))))))) is different from false [2023-05-20 14:13:40,125 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| c_~X_0~0.base)) (.cse11 (* 4 c_~i_7~0))) (let ((.cse5 (select .cse10 (+ c_~X_0~0.offset 4 .cse11))) (.cse6 (+ c_~X_0~0.offset 12 .cse11)) (.cse7 (select .cse10 (+ 8 c_~X_0~0.offset .cse11))) (.cse1 (+ c_~X_0~0.offset 12)) (.cse2 (+ 8 c_~X_0~0.offset)) (.cse3 (+ c_~X_0~0.offset 4))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse0 (select (store .cse4 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3))) (+ c_~s_6~0 .cse5 (select (select .cse4 c_~X_0~0.base) .cse6) .cse7)))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (+ c_~s_6~0 .cse5 (select (select .cse8 c_~X_0~0.base) .cse6) .cse7) (let ((.cse9 (select (store .cse8 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse9 .cse1) (select .cse9 .cse2) (select .cse9 .cse3))))))))) is different from false [2023-05-20 14:13:40,150 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 8 c_~X_0~0.offset)) (.cse9 (select |c_#memory_int| c_~X_0~0.base)) (.cse6 (+ c_~X_0~0.offset 4))) (let ((.cse0 (select .cse9 .cse6)) (.cse2 (+ c_~X_0~0.offset 12)) (.cse3 (select .cse9 .cse5))) (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (+ .cse0 (select (select .cse1 c_~X_0~0.base) .cse2) .cse3) (let ((.cse4 (select (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse4 .cse2) (select .cse4 .cse5) (select .cse4 .cse6)))))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse7 (select (store .cse8 |c_thread1Thread1of1ForFork3_~#t3~0.base| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse7 .cse2) (select .cse7 .cse5) (select .cse7 .cse6))) (+ .cse0 (select (select .cse8 c_~X_0~0.base) .cse2) .cse3))))))) is different from false [2023-05-20 14:13:40,530 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~X_0~0.offset 12)) (.cse3 (+ 8 c_~X_0~0.offset)) (.cse4 (+ c_~X_0~0.offset 4))) (and (forall ((|v_thread1Thread1of1ForFork3_~#t3~0.base_33| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork3_~#t3~0.base_33|)) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_488))) (let ((.cse0 (store .cse5 |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse2 (select .cse5 c_~X_0~0.base))) (+ (select (select .cse0 c_~X_0~0.base) .cse1) (select .cse2 .cse3) (select .cse2 .cse4))) (let ((.cse6 (select (store .cse0 |v_thread1Thread1of1ForFork3_~#t3~0.base_33| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse6 .cse1) (select .cse6 .cse4) (select .cse6 .cse3))))))))) (forall ((|v_thread1Thread1of1ForFork3_~#t3~0.base_33| Int) (v_ArrVal_488 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork3_~#t3~0.base_33|)) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_489 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_488))) (let ((.cse8 (store .cse10 |c_thread1Thread1of1ForFork3_~#t2~0.base| v_ArrVal_489))) (<= (let ((.cse7 (select (store .cse8 |v_thread1Thread1of1ForFork3_~#t3~0.base_33| v_ArrVal_490) c_~X_0~0.base))) (+ (select .cse7 .cse1) (select .cse7 .cse4) (select .cse7 .cse3))) (let ((.cse9 (select .cse10 c_~X_0~0.base))) (+ (select (select .cse8 c_~X_0~0.base) .cse1) (select .cse9 .cse3) (select .cse9 .cse4))))))))))) is different from false [2023-05-20 14:13:44,107 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:44,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 115 [2023-05-20 14:13:44,161 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:44,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 332982 treesize of output 296886 [2023-05-20 14:13:48,928 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:48,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 296118 treesize of output 263350 [2023-05-20 14:13:49,604 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:49,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 263350 treesize of output 214198 [2023-05-20 14:13:50,213 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:50,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 214198 treesize of output 171190 [2023-05-20 14:13:50,731 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:50,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 171190 treesize of output 147126 Received shutdown request... [2023-05-20 14:27:24,549 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-20 14:27:24,552 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 14:27:24,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 14:27:24,572 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2023-05-20 14:27:24,572 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:27:24,572 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2023-05-20 14:27:24,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:27:24,753 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-20 14:27:24,755 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 14:27:24,755 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 14:27:24,759 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1] [2023-05-20 14:27:24,760 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (1/2) [2023-05-20 14:27:24,761 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 14:27:24,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 14:27:24,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:27:24 BasicIcfg [2023-05-20 14:27:24,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 14:27:24,765 INFO L158 Benchmark]: Toolchain (without parser) took 856096.75ms. Allocated memory was 179.3MB in the beginning and 739.2MB in the end (delta: 559.9MB). Free memory was 123.2MB in the beginning and 658.3MB in the end (delta: -535.1MB). Peak memory consumption was 444.9MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,765 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 67.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 14:27:24,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.13ms. Allocated memory is still 179.3MB. Free memory was 123.0MB in the beginning and 152.5MB in the end (delta: -29.4MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.58ms. Allocated memory is still 179.3MB. Free memory was 152.5MB in the beginning and 150.1MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,766 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 179.3MB. Free memory was 150.1MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,766 INFO L158 Benchmark]: RCFGBuilder took 767.69ms. Allocated memory is still 179.3MB. Free memory was 148.0MB in the beginning and 105.3MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,769 INFO L158 Benchmark]: TraceAbstraction took 854860.60ms. Allocated memory was 179.3MB in the beginning and 739.2MB in the end (delta: 559.9MB). Free memory was 103.9MB in the beginning and 658.3MB in the end (delta: -554.4MB). Peak memory consumption was 425.4MB. Max. memory is 8.0GB. [2023-05-20 14:27:24,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 67.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.13ms. Allocated memory is still 179.3MB. Free memory was 123.0MB in the beginning and 152.5MB in the end (delta: -29.4MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.58ms. Allocated memory is still 179.3MB. Free memory was 152.5MB in the beginning and 150.1MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 179.3MB. Free memory was 150.1MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 767.69ms. Allocated memory is still 179.3MB. Free memory was 148.0MB in the beginning and 105.3MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 854860.60ms. Allocated memory was 179.3MB in the beginning and 739.2MB in the end (delta: 559.9MB). Free memory was 103.9MB in the beginning and 658.3MB in the end (delta: -554.4MB). Peak memory consumption was 425.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5561, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 437, dependent conditional: 406, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5164, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 40, dependent conditional: 9, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5164, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 40, dependent conditional: 9, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 57, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 56, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 56, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3428, independent: 3385, independent conditional: 3, independent unconditional: 3382, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3428, independent: 3381, independent conditional: 0, independent unconditional: 3381, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 194, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 183, dependent conditional: 45, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5228, independent: 1739, independent conditional: 4, independent unconditional: 1735, dependent: 61, dependent conditional: 44, dependent unconditional: 17, unknown: 3428, unknown conditional: 15, unknown unconditional: 3413] , Statistics on independence cache: Total cache size (in pairs): 3428, Positive cache size: 3385, Positive conditional cache size: 3, Positive unconditional cache size: 3382, Negative cache size: 43, Negative conditional cache size: 12, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 8, Independence queries for same thread: 397 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 355, Number of trivial persistent sets: 319, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3529, independent: 3498, independent conditional: 0, independent unconditional: 3498, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5561, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 437, dependent conditional: 406, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5164, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 40, dependent conditional: 9, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5164, independent: 5124, independent conditional: 1626, independent unconditional: 3498, dependent: 40, dependent conditional: 9, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 57, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 56, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5228, independent: 5124, independent conditional: 7, independent unconditional: 5117, dependent: 104, dependent conditional: 56, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3428, independent: 3385, independent conditional: 3, independent unconditional: 3382, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3428, independent: 3381, independent conditional: 0, independent unconditional: 3381, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 194, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 183, dependent conditional: 45, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5228, independent: 1739, independent conditional: 4, independent unconditional: 1735, dependent: 61, dependent conditional: 44, dependent unconditional: 17, unknown: 3428, unknown conditional: 15, unknown unconditional: 3413] , Statistics on independence cache: Total cache size (in pairs): 3428, Positive cache size: 3385, Positive conditional cache size: 3, Positive unconditional cache size: 3382, Negative cache size: 43, Negative conditional cache size: 12, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 8, Independence queries for same thread: 397 - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 243 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 854.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 6.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 3021 NumberOfCodeBlocks, 2987 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4280 ConstructedInterpolants, 59 QuantifiedInterpolants, 18524 SizeOfPredicates, 105 NumberOfNonLiveVariables, 3495 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 476/841 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