/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/popl20/threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 17:26:02,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 17:26:02,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 17:26:02,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 17:26:02,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 17:26:02,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 17:26:02,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 17:26:02,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 17:26:02,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 17:26:02,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 17:26:02,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 17:26:02,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 17:26:02,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 17:26:02,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 17:26:02,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 17:26:02,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 17:26:02,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 17:26:02,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 17:26:02,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 17:26:02,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 17:26:02,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 17:26:02,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 17:26:02,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 17:26:02,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 17:26:02,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 17:26:02,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 17:26:02,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 17:26:02,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 17:26:02,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 17:26:02,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 17:26:02,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 17:26:02,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 17:26:02,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 17:26:02,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 17:26:02,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 17:26:02,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 17:26:02,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 17:26:02,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 17:26:02,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 17:26:02,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 17:26:02,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 17:26:02,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 17:26:02,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 17:26:02,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 17:26:02,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 17:26:02,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 17:26:02,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 17:26:02,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 17:26:02,876 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 17:26:02,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 17:26:02,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 17:26:02,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 17:26:02,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 17:26:02,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 17:26:02,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 17:26:02,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 17:26:02,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 17:26:02,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 17:26:02,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 17:26:02,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 17:26:02,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:26:02,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 17:26:02,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 17:26:02,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 17:26:02,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 17:26:02,881 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 17:26:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 17:26:02,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 17:26:02,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 17:26:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 17:26:02,882 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 17:26:02,882 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 17:26:02,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 17:26:03,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 17:26:03,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 17:26:03,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 17:26:03,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 17:26:03,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 17:26:03,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20/threaded-sum-3.wvr.c [2021-10-06 17:26:03,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9863efca5/659ca963565747fcbbac68d2cfc97076/FLAG79ed8dec2 [2021-10-06 17:26:03,941 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 17:26:03,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20/threaded-sum-3.wvr.c [2021-10-06 17:26:03,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9863efca5/659ca963565747fcbbac68d2cfc97076/FLAG79ed8dec2 [2021-10-06 17:26:04,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9863efca5/659ca963565747fcbbac68d2cfc97076 [2021-10-06 17:26:04,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 17:26:04,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 17:26:04,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 17:26:04,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 17:26:04,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 17:26:04,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd4d432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04, skipping insertion in model container [2021-10-06 17:26:04,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 17:26:04,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 17:26:04,559 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20/threaded-sum-3.wvr.c[2390,2403] [2021-10-06 17:26:04,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:26:04,580 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 17:26:04,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20/threaded-sum-3.wvr.c[2390,2403] [2021-10-06 17:26:04,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:26:04,657 INFO L208 MainTranslator]: Completed translation [2021-10-06 17:26:04,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04 WrapperNode [2021-10-06 17:26:04,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 17:26:04,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 17:26:04,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 17:26:04,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 17:26:04,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 17:26:04,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 17:26:04,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 17:26:04,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 17:26:04,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 17:26:04,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 17:26:04,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 17:26:04,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 17:26:04,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (1/1) ... [2021-10-06 17:26:04,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:26:04,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:26:04,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 17:26:04,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 17:26:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 17:26:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 17:26:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 17:26:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 17:26:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 17:26:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 17:26:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 17:26:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 17:26:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 17:26:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 17:26:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 17:26:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 17:26:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 17:26:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 17:26:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 17:26:04,880 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 17:26:05,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 17:26:05,441 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-06 17:26:05,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:26:05 BoogieIcfgContainer [2021-10-06 17:26:05,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 17:26:05,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 17:26:05,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 17:26:05,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 17:26:05,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 05:26:04" (1/3) ... [2021-10-06 17:26:05,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f75cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:26:05, skipping insertion in model container [2021-10-06 17:26:05,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:26:04" (2/3) ... [2021-10-06 17:26:05,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f75cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:26:05, skipping insertion in model container [2021-10-06 17:26:05,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:26:05" (3/3) ... [2021-10-06 17:26:05,461 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.c [2021-10-06 17:26:05,468 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 17:26:05,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 17:26:05,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 17:26:05,469 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 17:26:05,548 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,549 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,550 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,550 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,550 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,551 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,552 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,555 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,555 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,555 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,557 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,563 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,564 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,565 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,566 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,570 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,571 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,571 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,571 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,577 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,577 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,578 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,578 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:26:05,595 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 17:26:05,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 17:26:05,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:26:05,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 17:26:05,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 17:26:05,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 17:26:05,742 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-06 17:26:05,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-06 17:26:05,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:26:05,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:26:05,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1423441445, now seen corresponding path program 1 times [2021-10-06 17:26:06,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:26:06,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078475104] [2021-10-06 17:26:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:26:06,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:26:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:26:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:26:06,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:26:06,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078475104] [2021-10-06 17:26:06,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078475104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:26:06,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:26:06,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 17:26:06,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392562827] [2021-10-06 17:26:06,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 17:26:06,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:26:06,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 17:26:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 17:26:06,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:06,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:26:06,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:26:06,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:06,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 17:26:06,359 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:26:06,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:26:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1409822158, now seen corresponding path program 1 times [2021-10-06 17:26:06,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:26:06,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830316796] [2021-10-06 17:26:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:26:06,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:26:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:26:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:26:06,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:26:06,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830316796] [2021-10-06 17:26:06,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830316796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:26:06,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:26:06,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-06 17:26:06,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630363562] [2021-10-06 17:26:06,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 17:26:06,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:26:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 17:26:06,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-06 17:26:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:06,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:26:06,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:26:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:06,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:26:07,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 17:26:07,217 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:26:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:26:07,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1090174831, now seen corresponding path program 1 times [2021-10-06 17:26:07,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:26:07,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677440540] [2021-10-06 17:26:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:26:07,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:26:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:26:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-06 17:26:08,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:26:08,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677440540] [2021-10-06 17:26:08,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677440540] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:26:08,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881973542] [2021-10-06 17:26:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:26:08,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:26:08,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:26:08,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:26:08,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 17:26:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:26:08,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-06 17:26:08,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:26:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-06 17:26:09,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881973542] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:26:09,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:26:09,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 15 [2021-10-06 17:26:09,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189283782] [2021-10-06 17:26:09,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-06 17:26:09,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:26:09,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-06 17:26:09,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-10-06 17:26:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:09,561 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:26:09,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:26:09,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:09,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:26:09,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:26:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:26:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:26:09,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 17:26:10,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:26:10,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:26:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:26:10,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1781828721, now seen corresponding path program 2 times [2021-10-06 17:26:10,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:26:10,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727108368] [2021-10-06 17:26:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:26:10,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:26:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:27:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 17:27:55,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:27:55,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727108368] [2021-10-06 17:27:55,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727108368] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:27:55,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438255937] [2021-10-06 17:27:55,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 17:27:55,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:27:55,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:27:55,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:27:55,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 17:27:55,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 17:27:55,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:27:55,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-06 17:27:55,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:28:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:28:20,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438255937] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:28:20,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:28:20,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28] total 49 [2021-10-06 17:28:20,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200462706] [2021-10-06 17:28:20,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-06 17:28:20,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:28:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-06 17:28:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=2071, Unknown=0, NotChecked=0, Total=2352 [2021-10-06 17:28:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:28:20,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:28:20,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.489795918367347) internal successors, (171), 49 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:28:20,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:28:20,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:28:20,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:28:20,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:28:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:28:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:28:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:28:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-06 17:28:35,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-06 17:28:35,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:28:35,841 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:28:35,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:28:35,843 INFO L82 PathProgramCache]: Analyzing trace with hash -842996083, now seen corresponding path program 3 times [2021-10-06 17:28:35,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:28:35,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17386945] [2021-10-06 17:28:35,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:28:35,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:28:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:28:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 111 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-06 17:28:42,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:28:42,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17386945] [2021-10-06 17:28:42,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17386945] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:28:42,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651766833] [2021-10-06 17:28:42,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 17:28:42,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:28:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:28:42,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:28:42,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 17:28:43,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-06 17:28:43,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:28:43,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-06 17:28:43,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:29:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:29:07,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651766833] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:07,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:29:07,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 54 [2021-10-06 17:29:07,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605459800] [2021-10-06 17:29:07,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-10-06 17:29:07,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:29:07,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-10-06 17:29:07,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=2546, Unknown=0, NotChecked=0, Total=2862 [2021-10-06 17:29:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:07,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:29:07,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2037037037037037) internal successors, (173), 54 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:29:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:07,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-10-06 17:29:07,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-06 17:29:18,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:29:18,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 17:29:18,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:18,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:29:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:29:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash -274508187, now seen corresponding path program 4 times [2021-10-06 17:29:18,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:29:18,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726133782] [2021-10-06 17:29:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:29:18,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:29:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:29:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 26 proven. 118 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-06 17:29:19,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:29:19,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726133782] [2021-10-06 17:29:19,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726133782] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:19,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787447436] [2021-10-06 17:29:19,386 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-06 17:29:19,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:19,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:29:19,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:29:19,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 17:29:21,479 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-06 17:29:21,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:29:21,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-06 17:29:21,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:29:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:29:39,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787447436] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:39,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:29:39,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 35] total 56 [2021-10-06 17:29:39,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137265792] [2021-10-06 17:29:39,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-10-06 17:29:39,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:29:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-10-06 17:29:39,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=2679, Unknown=0, NotChecked=0, Total=3080 [2021-10-06 17:29:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:39,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:29:39,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.1607142857142856) internal successors, (177), 56 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:29:39,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:39,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:39,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:39,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-10-06 17:29:39,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:29:39,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:29:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:29:48,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-06 17:29:48,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-06 17:29:48,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:48,921 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:29:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:29:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash 727494973, now seen corresponding path program 5 times [2021-10-06 17:29:48,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:29:48,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805216465] [2021-10-06 17:29:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:29:48,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:29:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:29:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 58 proven. 72 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-06 17:29:49,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:29:49,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805216465] [2021-10-06 17:29:49,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805216465] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:49,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643854065] [2021-10-06 17:29:49,258 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-06 17:29:49,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:49,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:29:49,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:29:49,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-06 17:29:51,760 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-10-06 17:29:51,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:29:51,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-06 17:29:51,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:29:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-06 17:29:52,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643854065] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:52,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:29:52,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 23 [2021-10-06 17:29:52,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234876560] [2021-10-06 17:29:52,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-06 17:29:52,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:29:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-06 17:29:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-10-06 17:29:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:52,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:29:52,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.478260869565218) internal successors, (126), 23 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:29:52,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:52,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:52,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:52,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:29:52,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:29:52,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-10-06 17:29:52,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:29:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:29:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:29:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:29:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:29:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-06 17:29:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:29:53,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-06 17:29:53,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:53,372 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:29:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:29:53,372 INFO L82 PathProgramCache]: Analyzing trace with hash 806483101, now seen corresponding path program 6 times [2021-10-06 17:29:53,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:29:53,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207524417] [2021-10-06 17:29:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:29:53,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:29:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:29:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 11 proven. 151 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-06 17:29:55,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:29:55,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207524417] [2021-10-06 17:29:55,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207524417] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:29:55,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564612355] [2021-10-06 17:29:55,314 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-06 17:29:55,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:29:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:29:55,318 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:29:55,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-06 17:29:58,028 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-10-06 17:29:58,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:29:58,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 46 conjunts are in the unsatisfiable core [2021-10-06 17:29:58,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:30:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:30:31,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564612355] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:30:31,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:30:31,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 34] total 57 [2021-10-06 17:30:31,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97567029] [2021-10-06 17:30:31,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-10-06 17:30:31,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:30:31,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-10-06 17:30:31,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2828, Unknown=0, NotChecked=0, Total=3192 [2021-10-06 17:30:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:30:31,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:30:31,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.245614035087719) internal successors, (185), 57 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:30:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-06 17:30:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:30:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:30:47,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:30:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:30:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:30:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:30:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:30:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-06 17:30:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:30:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-06 17:30:47,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-06 17:30:47,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:30:47,534 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:30:47,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:30:47,536 INFO L82 PathProgramCache]: Analyzing trace with hash 987334155, now seen corresponding path program 7 times [2021-10-06 17:30:47,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:30:47,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409649162] [2021-10-06 17:30:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:30:47,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:30:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:30:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 72 proven. 183 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-06 17:30:50,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:30:50,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409649162] [2021-10-06 17:30:50,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409649162] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:30:50,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063117446] [2021-10-06 17:30:50,988 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-06 17:30:50,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:30:50,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:30:50,994 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:30:50,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-06 17:30:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:30:54,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-06 17:30:54,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:31:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:31:15,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063117446] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:31:15,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:31:15,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 44] total 64 [2021-10-06 17:31:15,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45217801] [2021-10-06 17:31:15,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-10-06 17:31:15,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:31:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-10-06 17:31:15,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=3570, Unknown=0, NotChecked=0, Total=4032 [2021-10-06 17:31:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:31:15,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:31:15,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.109375) internal successors, (199), 64 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-06 17:31:15,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:31:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-06 17:31:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:31:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-06 17:31:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-06 17:31:35,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-06 17:31:35,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:31:35,900 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 17:31:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:31:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash -730428038, now seen corresponding path program 8 times [2021-10-06 17:31:35,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:31:35,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865623051] [2021-10-06 17:31:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:31:35,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:31:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-06 17:39:51,021 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-06 17:39:51,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-06 17:39:51,022 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 112 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-8-5-4-5-8-5-4-5-7-5-4-5-6-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-3-3-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2021-10-06 17:39:51,024 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 17:39:51,025 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 17:39:51,026 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 17:39:51,047 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 17:39:51,048 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 17:39:51,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 05:39:51 BasicIcfg [2021-10-06 17:39:51,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 17:39:51,054 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-06 17:39:51,055 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-06 17:39:51,055 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-06 17:39:51,059 INFO L168 Benchmark]: Toolchain (without parser) took 826733.00 ms. Allocated memory was 163.6 MB in the beginning and 865.1 MB in the end (delta: 701.5 MB). Free memory was 138.3 MB in the beginning and 594.5 MB in the end (delta: -456.2 MB). Peak memory consumption was 703.9 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,059 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 163.6 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 17:39:51,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.18 ms. Allocated memory is still 163.6 MB. Free memory was 137.9 MB in the beginning and 127.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 163.6 MB. Free memory was 127.5 MB in the beginning and 125.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,061 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 163.6 MB. Free memory was 125.9 MB in the beginning and 124.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,062 INFO L168 Benchmark]: RCFGBuilder took 695.59 ms. Allocated memory is still 163.6 MB. Free memory was 124.5 MB in the beginning and 144.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,066 INFO L168 Benchmark]: TraceAbstraction took 825600.81 ms. Allocated memory was 163.6 MB in the beginning and 865.1 MB in the end (delta: 701.5 MB). Free memory was 143.1 MB in the beginning and 594.5 MB in the end (delta: -451.4 MB). Peak memory consumption was 707.3 MB. Max. memory is 8.0 GB. [2021-10-06 17:39:51,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 163.6 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 328.18 ms. Allocated memory is still 163.6 MB. Free memory was 137.9 MB in the beginning and 127.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 163.6 MB. Free memory was 127.5 MB in the beginning and 125.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 163.6 MB. Free memory was 125.9 MB in the beginning and 124.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 695.59 ms. Allocated memory is still 163.6 MB. Free memory was 124.5 MB in the beginning and 144.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 825600.81 ms. Allocated memory was 163.6 MB in the beginning and 865.1 MB in the end (delta: 701.5 MB). Free memory was 143.1 MB in the beginning and 594.5 MB in the end (delta: -451.4 MB). Peak memory consumption was 707.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6977, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 1761, negative conditional: 1744, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5330, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 114, negative conditional: 97, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5330, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 114, negative conditional: 97, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 4219, positive unconditional: 997, negative: 624, negative conditional: 510, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 3531, positive unconditional: 1685, negative: 624, negative conditional: 455, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 3531, positive unconditional: 1685, negative: 624, negative conditional: 455, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1067, positive: 942, positive conditional: 160, positive unconditional: 782, negative: 125, negative conditional: 108, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1067, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 293, positive: 168, positive conditional: 160, positive unconditional: 8, negative: 125, negative conditional: 108, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1225, positive: 661, positive conditional: 599, positive unconditional: 62, negative: 563, negative conditional: 464, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5840, positive: 4274, positive conditional: 3371, positive unconditional: 903, negative: 499, negative conditional: 347, negative unconditional: 152, unknown: 1067, unknown conditional: 268, unknown unconditional: 799] , Statistics on independence cache: Total cache size (in pairs): 1067, Positive cache size: 942, Positive conditional cache size: 160, Positive unconditional cache size: 782, Negative cache size: 125, Negative conditional cache size: 108, Negative unconditional cache size: 17, Eliminated conditions: 743, Maximal queried relation: 8, Independence queries for same thread: 1647 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 238, Number of persistent set computation: 145, Number of trivial persistent sets: 102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, positive: 882, positive conditional: 0, positive unconditional: 882, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6977, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 1761, negative conditional: 1744, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5330, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 114, negative conditional: 97, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5330, positive: 5216, positive conditional: 4334, positive unconditional: 882, negative: 114, negative conditional: 97, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 4219, positive unconditional: 997, negative: 624, negative conditional: 510, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 3531, positive unconditional: 1685, negative: 624, negative conditional: 455, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5840, positive: 5216, positive conditional: 3531, positive unconditional: 1685, negative: 624, negative conditional: 455, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1067, positive: 942, positive conditional: 160, positive unconditional: 782, negative: 125, negative conditional: 108, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1067, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 293, positive: 168, positive conditional: 160, positive unconditional: 8, negative: 125, negative conditional: 108, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1225, positive: 661, positive conditional: 599, positive unconditional: 62, negative: 563, negative conditional: 464, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5840, positive: 4274, positive conditional: 3371, positive unconditional: 903, negative: 499, negative conditional: 347, negative unconditional: 152, unknown: 1067, unknown conditional: 268, unknown unconditional: 799] , Statistics on independence cache: Total cache size (in pairs): 1067, Positive cache size: 942, Positive conditional cache size: 160, Positive unconditional cache size: 782, Negative cache size: 125, Negative conditional cache size: 108, Negative unconditional cache size: 17, Eliminated conditions: 743, Maximal queried relation: 8, Independence queries for same thread: 1647 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 112 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-8-5-4-5-8-5-4-5-7-5-4-5-6-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-3-3-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 86]: 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 112 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-8-5-4-5-8-5-4-5-7-5-4-5-6-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-3-3-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 87]: 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 112 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-8-5-4-5-8-5-4-5-7-5-4-5-6-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-3-3-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 88]: 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 112 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-8-5-4-5-8-5-4-5-7-5-4-5-6-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-5-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-3-3-3-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 825371.8ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.8ms, PartialOrderReductionTime: 72674.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 414, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 148.6ms SsaConstructionTime, 1375.9ms SatisfiabilityAnalysisTime, 241724.6ms InterpolantComputationTime, 1680 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1664 ConstructedInterpolants, 0 QuantifiedInterpolants, 77163 SizeOfPredicates, 80 NumberOfNonLiveVariables, 1481 ConjunctsInSsa, 275 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 438/2160 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