/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 08:27:00,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 08:27:00,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 08:27:00,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 08:27:00,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 08:27:00,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 08:27:00,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 08:27:00,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 08:27:00,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 08:27:00,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 08:27:00,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 08:27:00,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 08:27:00,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 08:27:00,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 08:27:00,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 08:27:00,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 08:27:00,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 08:27:00,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 08:27:00,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 08:27:00,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 08:27:00,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 08:27:00,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 08:27:00,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 08:27:00,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 08:27:00,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 08:27:00,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 08:27:00,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 08:27:00,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 08:27:00,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 08:27:00,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 08:27:00,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 08:27:00,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 08:27:00,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 08:27:00,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 08:27:00,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 08:27:00,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 08:27:00,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 08:27:00,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 08:27:00,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 08:27:00,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 08:27:00,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 08:27:00,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 08:27:00,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 08:27:00,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 08:27:00,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 08:27:00,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 08:27:00,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 08:27:00,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 08:27:00,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 08:27:00,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 08:27:00,953 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 08:27:00,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 08:27:00,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 08:27:00,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:27:00,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 08:27:00,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 08:27:00,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 08:27:01,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 08:27:01,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 08:27:01,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 08:27:01,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 08:27:01,173 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 08:27:01,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2021-11-14 08:27:01,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8481bc9/4abc33fe7f9a457fbbf878641b09aa1b/FLAG0c04d7524 [2021-11-14 08:27:01,594 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 08:27:01,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2021-11-14 08:27:01,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8481bc9/4abc33fe7f9a457fbbf878641b09aa1b/FLAG0c04d7524 [2021-11-14 08:27:01,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d8481bc9/4abc33fe7f9a457fbbf878641b09aa1b [2021-11-14 08:27:01,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 08:27:01,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 08:27:01,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 08:27:01,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 08:27:01,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 08:27:01,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:27:01" (1/1) ... [2021-11-14 08:27:01,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501e2ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:01, skipping insertion in model container [2021-11-14 08:27:01,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:27:01" (1/1) ... [2021-11-14 08:27:01,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 08:27:02,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 08:27:02,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2021-11-14 08:27:02,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:27:02,393 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 08:27:02,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2021-11-14 08:27:02,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:27:02,473 INFO L208 MainTranslator]: Completed translation [2021-11-14 08:27:02,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02 WrapperNode [2021-11-14 08:27:02,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 08:27:02,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 08:27:02,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 08:27:02,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 08:27:02,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 08:27:02,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 08:27:02,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 08:27:02,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 08:27:02,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 08:27:02,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 08:27:02,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 08:27:02,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 08:27:02,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (1/1) ... [2021-11-14 08:27:02,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:27:02,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:02,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 08:27:02,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 08:27:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 08:27:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 08:27:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 08:27:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 08:27:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-14 08:27:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 08:27:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2021-11-14 08:27:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2021-11-14 08:27:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 08:27:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 08:27:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 08:27:02,743 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 08:27:03,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 08:27:03,023 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-14 08:27:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:27:03 BoogieIcfgContainer [2021-11-14 08:27:03,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 08:27:03,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 08:27:03,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 08:27:03,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 08:27:03,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:27:01" (1/3) ... [2021-11-14 08:27:03,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4262e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:27:03, skipping insertion in model container [2021-11-14 08:27:03,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:27:02" (2/3) ... [2021-11-14 08:27:03,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4262e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:27:03, skipping insertion in model container [2021-11-14 08:27:03,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:27:03" (3/3) ... [2021-11-14 08:27:03,029 INFO L111 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2021-11-14 08:27:03,032 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 08:27:03,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 08:27:03,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 08:27:03,032 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 08:27:03,048 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,049 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,049 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,049 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,049 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,049 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,050 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,051 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,051 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,051 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,051 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,051 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,052 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,053 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,054 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,055 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,057 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,057 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,057 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,057 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,058 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,058 WARN L322 ript$VariableManager]: TermVariabe thread_function_mutexThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,058 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,058 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,058 WARN L322 ript$VariableManager]: TermVariabe |thread_function_mutexThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:27:03,061 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-14 08:27:03,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:27:03,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:03,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 08:27:03,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 08:27:03,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 08:27:03,135 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 08:27:03,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 08:27:03,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 447343722, now seen corresponding path program 1 times [2021-11-14 08:27:03,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:03,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263182449] [2021-11-14 08:27:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:03,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:03,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:03,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263182449] [2021-11-14 08:27:03,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263182449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:03,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:27:03,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:27:03,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163702968] [2021-11-14 08:27:03,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:03,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:27:03,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:03,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:27:03,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:27:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:03,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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) [2021-11-14 08:27:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 08:27:03,408 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash -761499342, now seen corresponding path program 1 times [2021-11-14 08:27:03,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:03,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430192849] [2021-11-14 08:27:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:03,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:03,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:03,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430192849] [2021-11-14 08:27:03,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430192849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:03,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:27:03,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 08:27:03,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208372065] [2021-11-14 08:27:03,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:03,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:27:03,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:03,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:27:03,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 08:27:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,520 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:03,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-14 08:27:03,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:03,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 08:27:03,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1382786344, now seen corresponding path program 1 times [2021-11-14 08:27:03,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:03,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669586510] [2021-11-14 08:27:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:03,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:03,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:03,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669586510] [2021-11-14 08:27:03,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669586510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:03,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:27:03,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 08:27:03,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410734334] [2021-11-14 08:27:03,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:03,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:27:03,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:03,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:27:03,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 08:27:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,705 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:03,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-14 08:27:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:03,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 08:27:03,763 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:03,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:03,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1697631638, now seen corresponding path program 1 times [2021-11-14 08:27:03,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:03,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790767385] [2021-11-14 08:27:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:03,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:03,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:03,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790767385] [2021-11-14 08:27:03,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790767385] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:03,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985394188] [2021-11-14 08:27:03,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:03,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:03,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:03,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:03,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 08:27:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:04,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 08:27:04,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:04,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:04,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985394188] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:04,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:04,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 08:27:04,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994540844] [2021-11-14 08:27:04,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:04,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 08:27:04,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 08:27:04,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 08:27:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:04,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:04,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 10 states have internal predecessors, (116), 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) [2021-11-14 08:27:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:04,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:04,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:04,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-14 08:27:04,733 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:04,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1829498390, now seen corresponding path program 2 times [2021-11-14 08:27:04,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:04,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809859915] [2021-11-14 08:27:04,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:04,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 08:27:04,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:04,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809859915] [2021-11-14 08:27:04,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809859915] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:04,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558536035] [2021-11-14 08:27:04,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:27:04,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:04,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:04,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:04,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 08:27:04,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:27:04,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:04,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 08:27:04,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:05,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:05,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558536035] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:05,301 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:05,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2021-11-14 08:27:05,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214549932] [2021-11-14 08:27:05,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:05,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-14 08:27:05,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:05,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-14 08:27:05,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-14 08:27:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:05,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:05,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.31578947368421) internal successors, (196), 19 states have internal predecessors, (196), 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) [2021-11-14 08:27:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:05,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:05,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:05,724 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:05,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1037171624, now seen corresponding path program 3 times [2021-11-14 08:27:05,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:05,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029094428] [2021-11-14 08:27:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:05,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 135 proven. 43 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-14 08:27:05,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:05,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029094428] [2021-11-14 08:27:05,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029094428] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:05,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011006042] [2021-11-14 08:27:05,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:27:05,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:05,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:05,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:05,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 08:27:05,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-14 08:27:05,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:05,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-14 08:27:05,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:06,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:06,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011006042] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:06,691 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:06,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 17, 17] total 37 [2021-11-14 08:27:06,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476716999] [2021-11-14 08:27:06,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:06,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-14 08:27:06,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:06,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-14 08:27:06,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2021-11-14 08:27:06,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:06,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:06,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.621621621621621) internal successors, (319), 37 states have internal predecessors, (319), 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) [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:06,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:07,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:07,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:07,451 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:07,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2003310122, now seen corresponding path program 4 times [2021-11-14 08:27:07,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:07,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138725456] [2021-11-14 08:27:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:07,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 488 proven. 93 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-14 08:27:07,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:07,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138725456] [2021-11-14 08:27:07,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138725456] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:07,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536426886] [2021-11-14 08:27:07,563 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:27:07,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:07,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:07,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:07,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 08:27:07,670 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:27:07,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:07,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 08:27:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 488 proven. 93 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-14 08:27:08,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 488 proven. 93 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-14 08:27:08,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536426886] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:08,493 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:08,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-14 08:27:08,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259743227] [2021-11-14 08:27:08,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:08,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-14 08:27:08,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:08,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-14 08:27:08,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-14 08:27:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:08,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:08,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.5) internal successors, (225), 18 states have internal predecessors, (225), 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) [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:08,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:08,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:08,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:08,851 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2054589354, now seen corresponding path program 5 times [2021-11-14 08:27:08,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:08,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104859744] [2021-11-14 08:27:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:08,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 624 proven. 483 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-14 08:27:09,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:09,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104859744] [2021-11-14 08:27:09,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104859744] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:09,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930598211] [2021-11-14 08:27:09,035 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 08:27:09,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:09,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:09,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:09,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 08:27:09,159 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-11-14 08:27:09,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-14 08:27:09,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 624 proven. 483 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-14 08:27:09,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 624 proven. 483 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-14 08:27:10,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930598211] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:10,150 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:10,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-11-14 08:27:10,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012088871] [2021-11-14 08:27:10,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:10,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-14 08:27:10,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:10,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-14 08:27:10,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2021-11-14 08:27:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:10,152 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:10,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 11.088235294117647) internal successors, (377), 34 states have internal predecessors, (377), 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) [2021-11-14 08:27:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:10,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:10,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:10,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:10,854 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:10,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:10,854 INFO L85 PathProgramCache]: Analyzing trace with hash -483315862, now seen corresponding path program 6 times [2021-11-14 08:27:10,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:10,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924040228] [2021-11-14 08:27:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:10,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 15 proven. 2010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:11,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:11,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924040228] [2021-11-14 08:27:11,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924040228] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:11,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371799522] [2021-11-14 08:27:11,281 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:27:11,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:11,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:11,282 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:11,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 08:27:11,458 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-11-14 08:27:11,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:11,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-14 08:27:11,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 0 proven. 2025 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:12,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 0 proven. 2025 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:13,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371799522] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:13,310 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:13,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 72 [2021-11-14 08:27:13,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131998237] [2021-11-14 08:27:13,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:13,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-11-14 08:27:13,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:13,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-11-14 08:27:13,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=727, Invalid=4385, Unknown=0, NotChecked=0, Total=5112 [2021-11-14 08:27:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:13,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:13,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 9.958333333333334) internal successors, (717), 72 states have internal predecessors, (717), 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) [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:13,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:15,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:15,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:16,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:16,160 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1954466950, now seen corresponding path program 7 times [2021-11-14 08:27:16,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:16,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854259212] [2021-11-14 08:27:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 528 proven. 2296 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-14 08:27:16,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:16,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854259212] [2021-11-14 08:27:16,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854259212] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:16,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569926912] [2021-11-14 08:27:16,548 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:27:16,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:16,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:16,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:16,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 08:27:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:16,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-14 08:27:16,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 528 proven. 2296 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-14 08:27:17,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 528 proven. 2296 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-14 08:27:17,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569926912] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:17,917 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:17,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 43 [2021-11-14 08:27:17,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552601589] [2021-11-14 08:27:17,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:17,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-14 08:27:17,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:17,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-14 08:27:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2021-11-14 08:27:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:17,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:17,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 10.395348837209303) internal successors, (447), 43 states have internal predecessors, (447), 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) [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:17,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:18,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:18,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-14 08:27:18,848 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:18,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:18,849 INFO L85 PathProgramCache]: Analyzing trace with hash 430990130, now seen corresponding path program 8 times [2021-11-14 08:27:18,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:18,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807932240] [2021-11-14 08:27:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:21,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:21,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807932240] [2021-11-14 08:27:21,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807932240] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:21,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142876767] [2021-11-14 08:27:21,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:27:21,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:21,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:21,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-14 08:27:21,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:27:21,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:21,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:27:21,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:23,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:24,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142876767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:24,962 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:24,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:27:24,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730331394] [2021-11-14 08:27:24,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:24,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:27:24,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:24,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:27:24,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:27:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:24,966 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:24,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:24,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-11-14 08:27:29,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:29,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:29,815 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:29,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:29,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1673254084, now seen corresponding path program 9 times [2021-11-14 08:27:29,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:29,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433164028] [2021-11-14 08:27:29,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:29,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3811 backedges. 3467 proven. 344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:30,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:30,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433164028] [2021-11-14 08:27:30,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433164028] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:30,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068209496] [2021-11-14 08:27:30,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:27:30,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:30,396 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:30,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-14 08:27:30,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-11-14 08:27:30,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:30,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-14 08:27:30,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3811 backedges. 3811 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:31,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:27:31,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068209496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:31,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:27:31,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2021-11-14 08:27:31,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670699076] [2021-11-14 08:27:31,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:31,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-14 08:27:31,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:31,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-14 08:27:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2021-11-14 08:27:31,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:31,609 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:31,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 10.348837209302326) internal successors, (445), 43 states have internal predecessors, (445), 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) [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-11-14 08:27:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:32,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:32,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:32,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-14 08:27:32,554 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:32,554 INFO L85 PathProgramCache]: Analyzing trace with hash -540249304, now seen corresponding path program 10 times [2021-11-14 08:27:32,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:32,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950234199] [2021-11-14 08:27:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:32,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3871 backedges. 3680 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:33,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:33,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950234199] [2021-11-14 08:27:33,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950234199] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:33,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305525639] [2021-11-14 08:27:33,145 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:27:33,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:33,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:33,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:33,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-14 08:27:33,342 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:27:33,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:33,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-14 08:27:33,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3871 backedges. 3871 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:34,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:27:34,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305525639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:34,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:27:34,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2021-11-14 08:27:34,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700290407] [2021-11-14 08:27:34,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:34,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-14 08:27:34,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:34,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-14 08:27:34,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2021-11-14 08:27:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:34,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:34,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 10.418604651162791) internal successors, (448), 43 states have internal predecessors, (448), 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) [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:34,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-14 08:27:35,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-14 08:27:35,132 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash -492400192, now seen corresponding path program 11 times [2021-11-14 08:27:35,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:35,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443774955] [2021-11-14 08:27:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:35,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 3287 trivial. 0 not checked. [2021-11-14 08:27:35,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:35,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443774955] [2021-11-14 08:27:35,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443774955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:27:35,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:27:35,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 08:27:35,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645457901] [2021-11-14 08:27:35,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:27:35,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:27:35,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:27:35,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 08:27:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:35,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:35,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:35,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:35,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-14 08:27:35,353 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:35,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:35,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1231792026, now seen corresponding path program 12 times [2021-11-14 08:27:35,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:35,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066921093] [2021-11-14 08:27:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:35,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:37,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:37,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066921093] [2021-11-14 08:27:37,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066921093] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:37,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383134702] [2021-11-14 08:27:37,916 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:27:37,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:37,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:37,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:37,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-14 08:27:38,210 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-11-14 08:27:38,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:27:38,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:27:38,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:39,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:41,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383134702] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:41,093 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:41,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:27:41,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145820029] [2021-11-14 08:27:41,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:41,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:27:41,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:41,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:27:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:27:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:41,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:41,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:41,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-11-14 08:27:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:46,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:46,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-14 08:27:46,404 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:46,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:46,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1613115726, now seen corresponding path program 13 times [2021-11-14 08:27:46,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:46,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749370341] [2021-11-14 08:27:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:46,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:48,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:27:48,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749370341] [2021-11-14 08:27:48,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749370341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:27:48,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245555100] [2021-11-14 08:27:48,878 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:27:48,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:27:48,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:27:48,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-14 08:27:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:27:48,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:27:48,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:27:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:50,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:27:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:27:51,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245555100] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:27:51,776 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:27:51,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:27:51,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273856364] [2021-11-14 08:27:51,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:27:51,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:27:51,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:27:51,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:27:51,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:27:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:51,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:27:51,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-11-14 08:27:51,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-14 08:27:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-11-14 08:27:57,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:58,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-14 08:27:58,074 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:27:58,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:27:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash 995114214, now seen corresponding path program 14 times [2021-11-14 08:27:58,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:27:58,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430275850] [2021-11-14 08:27:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:27:58,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:27:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:28:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:00,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:28:00,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430275850] [2021-11-14 08:28:00,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430275850] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:28:00,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636382649] [2021-11-14 08:28:00,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:28:00,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:28:00,519 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:28:00,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-14 08:28:00,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:28:00,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:28:00,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:28:00,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:28:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:02,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:28:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:03,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636382649] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:28:03,380 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:28:03,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:28:03,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416619811] [2021-11-14 08:28:03,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:28:03,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:28:03,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:28:03,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:28:03,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:28:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:03,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:28:03,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-14 08:28:03,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-11-14 08:28:03,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:28:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-11-14 08:28:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-11-14 08:28:11,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-14 08:28:11,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:11,657 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:28:11,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:28:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash 655792690, now seen corresponding path program 15 times [2021-11-14 08:28:11,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:28:11,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228413816] [2021-11-14 08:28:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:28:11,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:28:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:28:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:14,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:28:14,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228413816] [2021-11-14 08:28:14,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228413816] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:28:14,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613490978] [2021-11-14 08:28:14,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:28:14,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:14,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:28:14,120 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:28:14,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-14 08:28:14,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-11-14 08:28:14,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:28:14,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:28:14,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:28:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:15,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:28:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:17,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613490978] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:28:17,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:28:17,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:28:17,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58732834] [2021-11-14 08:28:17,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:28:17,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:28:17,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:28:17,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:28:17,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:28:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:17,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:28:17,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2021-11-14 08:28:17,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-14 08:28:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:28:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-11-14 08:28:27,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-14 08:28:27,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-14 08:28:27,988 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:28:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:28:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1199783578, now seen corresponding path program 16 times [2021-11-14 08:28:27,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:28:27,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364310131] [2021-11-14 08:28:27,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:28:27,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:28:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:28:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:30,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:28:30,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364310131] [2021-11-14 08:28:30,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364310131] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:28:30,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957380388] [2021-11-14 08:28:30,519 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:28:30,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:30,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:28:30,520 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:28:30,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-14 08:28:30,687 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:28:30,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:28:30,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:28:30,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:28:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:32,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:28:33,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:33,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957380388] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:28:33,525 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:28:33,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:28:33,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110685505] [2021-11-14 08:28:33,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:28:33,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:28:33,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:28:33,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:28:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:28:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:33,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:28:33,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-11-14 08:28:33,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-11-14 08:28:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-11-14 08:28:47,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-14 08:28:47,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:47,619 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:28:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:28:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1512127054, now seen corresponding path program 17 times [2021-11-14 08:28:47,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:28:47,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508314339] [2021-11-14 08:28:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:28:47,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:28:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:28:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:50,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:28:50,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508314339] [2021-11-14 08:28:50,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508314339] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:28:50,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410472236] [2021-11-14 08:28:50,177 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 08:28:50,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:28:50,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:28:50,178 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:28:50,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-14 08:28:50,356 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2021-11-14 08:28:50,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:28:50,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:28:50,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:28:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:51,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:28:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:28:53,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410472236] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:28:53,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:28:53,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:28:53,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369113486] [2021-11-14 08:28:53,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:28:53,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:28:53,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:28:53,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:28:53,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:28:53,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:53,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:28:53,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:28:53,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:28:53,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:53,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:53,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:28:53,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-11-14 08:28:53,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-11-14 08:29:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-11-14 08:29:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-11-14 08:29:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-11-14 08:29:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-11-14 08:29:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-11-14 08:29:11,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-14 08:29:11,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:29:11,531 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:29:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:29:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash -190716442, now seen corresponding path program 18 times [2021-11-14 08:29:11,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:29:11,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932106241] [2021-11-14 08:29:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:29:11,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:29:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:29:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:13,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:29:13,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932106241] [2021-11-14 08:29:13,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932106241] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:29:13,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400368574] [2021-11-14 08:29:13,940 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:29:13,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:29:13,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:29:13,941 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:29:13,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-14 08:29:14,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-11-14 08:29:14,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:29:14,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:29:14,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:29:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:15,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:29:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:16,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400368574] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:29:16,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:29:16,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:29:16,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921687367] [2021-11-14 08:29:16,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:29:17,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:29:17,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:29:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:29:17,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:29:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:17,001 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:29:17,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-11-14 08:29:17,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-11-14 08:29:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-11-14 08:29:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-11-14 08:29:39,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-14 08:29:39,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:29:39,683 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:29:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:29:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2024427826, now seen corresponding path program 19 times [2021-11-14 08:29:39,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:29:39,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135883846] [2021-11-14 08:29:39,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:29:39,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:29:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:29:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:42,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:29:42,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135883846] [2021-11-14 08:29:42,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135883846] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:29:42,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653158535] [2021-11-14 08:29:42,183 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:29:42,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:29:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:29:42,184 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:29:42,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-14 08:29:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:29:42,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:29:42,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:29:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:43,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:29:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:29:45,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653158535] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:29:45,121 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:29:45,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:29:45,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6555518] [2021-11-14 08:29:45,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:29:45,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:29:45,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:29:45,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:29:45,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:29:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:45,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:29:45,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-11-14 08:29:45,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-11-14 08:29:45,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 316 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-11-14 08:30:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-14 08:30:13,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-11-14 08:30:13,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:30:13,647 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:30:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:30:13,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1874351514, now seen corresponding path program 20 times [2021-11-14 08:30:13,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:30:13,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533702374] [2021-11-14 08:30:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:30:13,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:30:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:30:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:16,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:30:16,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533702374] [2021-11-14 08:30:16,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533702374] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:30:16,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402997806] [2021-11-14 08:30:16,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:30:16,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:30:16,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:30:16,194 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:30:16,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-14 08:30:16,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:30:16,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:30:16,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:30:16,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:30:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:17,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:30:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:19,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402997806] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:30:19,096 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:30:19,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:30:19,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044202803] [2021-11-14 08:30:19,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:30:19,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:30:19,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:30:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:30:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:30:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:19,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:30:19,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 316 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-14 08:30:19,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 414 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:30:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-11-14 08:30:53,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-14 08:30:53,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-14 08:30:53,914 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:30:53,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:30:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash -504283982, now seen corresponding path program 21 times [2021-11-14 08:30:53,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:30:53,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260842660] [2021-11-14 08:30:53,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:30:53,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:30:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:30:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:56,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:30:56,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260842660] [2021-11-14 08:30:56,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260842660] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:30:56,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113992285] [2021-11-14 08:30:56,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:30:56,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:30:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:30:56,600 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:30:56,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-14 08:30:57,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-11-14 08:30:57,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:30:57,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:30:57,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:30:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:58,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:30:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:30:59,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113992285] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:30:59,780 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:30:59,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:30:59,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107153053] [2021-11-14 08:30:59,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:30:59,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:30:59,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:30:59,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:30:59,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:30:59,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:59,782 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:30:59,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 414 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-11-14 08:30:59,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-11-14 08:30:59,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:31:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:31:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 528 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-11-14 08:31:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:31:41,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-14 08:31:41,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-14 08:31:41,627 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:31:41,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:31:41,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2047471898, now seen corresponding path program 22 times [2021-11-14 08:31:41,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:31:41,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704184861] [2021-11-14 08:31:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:31:41,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:31:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:31:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:31:43,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:31:43,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704184861] [2021-11-14 08:31:43,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704184861] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:31:43,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166978806] [2021-11-14 08:31:43,990 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:31:43,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:31:43,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:31:43,991 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:31:43,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-14 08:31:44,173 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:31:44,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:31:44,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:31:44,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:31:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:31:45,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:31:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:31:47,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166978806] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:31:47,033 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:31:47,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:31:47,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680300957] [2021-11-14 08:31:47,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:31:47,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:31:47,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:31:47,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:31:47,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:31:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:31:47,035 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:31:47,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:31:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:31:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:47,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 528 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:31:47,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 658 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2021-11-14 08:32:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 266 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2021-11-14 08:32:37,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2021-11-14 08:32:37,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-14 08:32:37,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:32:37,392 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:32:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:32:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1976858574, now seen corresponding path program 23 times [2021-11-14 08:32:37,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:32:37,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145967728] [2021-11-14 08:32:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:32:37,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:32:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:32:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:32:39,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:32:39,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145967728] [2021-11-14 08:32:39,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145967728] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:32:39,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823896399] [2021-11-14 08:32:39,858 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 08:32:39,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:32:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:32:39,859 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:32:39,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-14 08:32:40,038 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2021-11-14 08:32:40,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:32:40,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:32:40,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:32:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:32:41,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:32:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:32:42,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823896399] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:32:42,997 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:32:42,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:32:42,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557982871] [2021-11-14 08:32:42,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:32:42,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:32:42,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:32:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:32:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:32:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:32:42,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:32:42,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:32:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:32:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:42,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 658 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 266 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 248 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2021-11-14 08:32:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 804 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:33:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2021-11-14 08:33:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2021-11-14 08:33:43,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-14 08:33:43,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:33:43,750 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:33:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:33:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1439362202, now seen corresponding path program 24 times [2021-11-14 08:33:43,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:33:43,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242711388] [2021-11-14 08:33:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:33:43,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:33:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:33:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:33:46,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:33:46,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242711388] [2021-11-14 08:33:46,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242711388] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:33:46,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355664488] [2021-11-14 08:33:46,235 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:33:46,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:33:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:33:46,236 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:33:46,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-14 08:33:46,551 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2021-11-14 08:33:46,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:33:46,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:33:46,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:33:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:33:47,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:33:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:33:49,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355664488] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:33:49,374 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:33:49,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:33:49,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858250753] [2021-11-14 08:33:49,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:33:49,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:33:49,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:33:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:33:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:33:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:33:49,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:33:49,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 804 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 359 states. [2021-11-14 08:33:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2021-11-14 08:33:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 966 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 401 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2021-11-14 08:35:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 377 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2021-11-14 08:35:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2021-11-14 08:35:02,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-14 08:35:03,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-14 08:35:03,047 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:35:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:35:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash -3066958, now seen corresponding path program 25 times [2021-11-14 08:35:03,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:35:03,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070692012] [2021-11-14 08:35:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:35:03,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:35:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:35:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:35:05,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:35:05,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070692012] [2021-11-14 08:35:05,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070692012] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:35:05,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482758988] [2021-11-14 08:35:05,677 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:35:05,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:35:05,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:35:05,678 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:35:05,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-14 08:35:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:35:05,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:35:05,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:35:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:35:07,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:35:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:35:08,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482758988] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:35:08,786 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:35:08,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:35:08,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970079105] [2021-11-14 08:35:08,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:35:08,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:35:08,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:35:08,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:35:08,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:35:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:35:08,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:35:08,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 966 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 401 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 388 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 377 states. [2021-11-14 08:35:08,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2021-11-14 08:35:08,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1144 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 439 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 433 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 354 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-11-14 08:36:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2021-11-14 08:36:39,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-14 08:36:39,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-14 08:36:39,828 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:36:39,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:36:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash 730642406, now seen corresponding path program 26 times [2021-11-14 08:36:39,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:36:39,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771257889] [2021-11-14 08:36:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:36:39,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:36:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:36:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:36:42,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:36:42,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771257889] [2021-11-14 08:36:42,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771257889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:36:42,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517304533] [2021-11-14 08:36:42,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:36:42,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:36:42,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:36:42,202 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 08:36:42,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-14 08:36:42,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:36:42,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:36:42,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-14 08:36:42,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:36:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:36:43,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:36:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:36:45,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517304533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:36:45,267 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:36:45,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 87 [2021-11-14 08:36:45,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545170716] [2021-11-14 08:36:45,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:36:45,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-14 08:36:45,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:36:45,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-14 08:36:45,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7309, Unknown=0, NotChecked=0, Total=7482 [2021-11-14 08:36:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:36:45,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:36:45,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.068965517241379) internal successors, (441), 87 states have internal predecessors, (441), 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) [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1144 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 446 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 439 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 433 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 408 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2021-11-14 08:36:45,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 354 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2021-11-14 08:36:45,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-11-14 08:38:23,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-14 08:38:23,750 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 08:38:23,750 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 08:38:23,750 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 08:38:23,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-14 08:38:23,915 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-11-14 08:38:23,917 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-14 08:38:23,917 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 08:38:23,921 INFO L732 BasicCegarLoop]: Path program histogram: [26, 1, 1, 1] [2021-11-14 08:38:23,923 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 08:38:23,923 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 08:38:23,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:38:23 BasicIcfg [2021-11-14 08:38:23,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 08:38:23,924 INFO L158 Benchmark]: Toolchain (without parser) took 681979.14ms. Allocated memory was 394.3MB in the beginning and 14.1GB in the end (delta: 13.7GB). Free memory was 337.9MB in the beginning and 10.4GB in the end (delta: -10.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2021-11-14 08:38:23,924 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 357.4MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 08:38:23,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.97ms. Allocated memory is still 394.3MB. Free memory was 337.7MB in the beginning and 339.9MB in the end (delta: -2.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.0GB. [2021-11-14 08:38:23,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 394.3MB. Free memory was 339.9MB in the beginning and 337.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:38:23,925 INFO L158 Benchmark]: Boogie Preprocessor took 14.49ms. Allocated memory is still 394.3MB. Free memory was 337.8MB in the beginning and 336.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:38:23,925 INFO L158 Benchmark]: RCFGBuilder took 500.44ms. Allocated memory is still 394.3MB. Free memory was 335.7MB in the beginning and 322.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2021-11-14 08:38:23,925 INFO L158 Benchmark]: TraceAbstraction took 680899.39ms. Allocated memory was 394.3MB in the beginning and 14.1GB in the end (delta: 13.7GB). Free memory was 322.1MB in the beginning and 10.4GB in the end (delta: -10.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. [2021-11-14 08:38:23,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 357.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 518.97ms. Allocated memory is still 394.3MB. Free memory was 337.7MB in the beginning and 339.9MB in the end (delta: -2.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.30ms. Allocated memory is still 394.3MB. Free memory was 339.9MB in the beginning and 337.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 14.49ms. Allocated memory is still 394.3MB. Free memory was 337.8MB in the beginning and 336.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 500.44ms. Allocated memory is still 394.3MB. Free memory was 335.7MB in the beginning and 322.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 680899.39ms. Allocated memory was 394.3MB in the beginning and 14.1GB in the end (delta: 13.7GB). Free memory was 322.1MB in the beginning and 10.4GB in the end (delta: -10.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2919755, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 1049009, negative conditional: 1049001, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1905456, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 34710, negative conditional: 34702, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1905456, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 34710, negative conditional: 34702, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 1869824, positive unconditional: 922, negative: 887470, negative conditional: 852760, negative unconditional: 34710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 588552, positive unconditional: 1282194, negative: 887470, negative conditional: 34700, negative unconditional: 852770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 588552, positive unconditional: 1282194, negative: 887470, negative conditional: 34700, negative unconditional: 852770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 556, positive: 545, positive conditional: 2, positive unconditional: 543, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 556, positive: 539, positive conditional: 0, positive unconditional: 539, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 42, positive conditional: 2, positive unconditional: 40, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2758216, positive: 1870201, positive conditional: 588550, positive unconditional: 1281651, negative: 887459, negative conditional: 34697, negative unconditional: 852762, unknown: 556, unknown conditional: 5, unknown unconditional: 551] , Statistics on independence cache: Total cache size (in pairs): 556, Positive cache size: 545, Positive conditional cache size: 2, Positive unconditional cache size: 543, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 2099332, Maximal queried relation: 26, Independence queries for same thread: 1014299 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 98.50ms, Number of persistent set computation: 176, Number of trivial persistent sets: 127, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 701, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2919755, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 1049009, negative conditional: 1049001, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1905456, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 34710, negative conditional: 34702, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1905456, positive: 1870746, positive conditional: 1870053, positive unconditional: 693, negative: 34710, negative conditional: 34702, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 1869824, positive unconditional: 922, negative: 887470, negative conditional: 852760, negative unconditional: 34710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 588552, positive unconditional: 1282194, negative: 887470, negative conditional: 34700, negative unconditional: 852770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2758216, positive: 1870746, positive conditional: 588552, positive unconditional: 1282194, negative: 887470, negative conditional: 34700, negative unconditional: 852770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 556, positive: 545, positive conditional: 2, positive unconditional: 543, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 556, positive: 539, positive conditional: 0, positive unconditional: 539, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 42, positive conditional: 2, positive unconditional: 40, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2758216, positive: 1870201, positive conditional: 588550, positive unconditional: 1281651, negative: 887459, negative conditional: 34697, negative unconditional: 852762, unknown: 556, unknown conditional: 5, unknown unconditional: 551] , Statistics on independence cache: Total cache size (in pairs): 556, Positive cache size: 545, Positive conditional cache size: 2, Positive unconditional cache size: 543, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Eliminated conditions: 2099332, Maximal queried relation: 26, Independence queries for same thread: 1014299 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1343]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 680.8s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 26, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 573.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7793, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 95.8s InterpolantComputationTime, 19557 NumberOfCodeBlocks, 19557 NumberOfCodeBlocksAsserted, 263 NumberOfCheckSat, 28055 ConstructedInterpolants, 0 QuantifiedInterpolants, 149821 SizeOfPredicates, 856 NumberOfNonLiveVariables, 18085 ConjunctsInSsa, 2842 ConjunctsInUnsatCore, 77 InterpolantComputations, 6 PerfectInterpolantSequences, 26366/217405 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