/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 12:06:34,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 12:06:34,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 12:06:34,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 12:06:34,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 12:06:34,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 12:06:34,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 12:06:34,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 12:06:34,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 12:06:34,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 12:06:34,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 12:06:34,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 12:06:34,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 12:06:34,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 12:06:34,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 12:06:34,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 12:06:34,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 12:06:34,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 12:06:34,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 12:06:34,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 12:06:34,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 12:06:34,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 12:06:34,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 12:06:34,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 12:06:34,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 12:06:34,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 12:06:34,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 12:06:34,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 12:06:34,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 12:06:34,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 12:06:34,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 12:06:34,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 12:06:34,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 12:06:34,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 12:06:34,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 12:06:34,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 12:06:34,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 12:06:34,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 12:06:34,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 12:06:34,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 12:06:34,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 12:06:34,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 12:06:35,012 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 12:06:35,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 12:06:35,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 12:06:35,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 12:06:35,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 12:06:35,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 12:06:35,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 12:06:35,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 12:06:35,015 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 12:06:35,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 12:06:35,016 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 12:06:35,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 12:06:35,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 12:06:35,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 12:06:35,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 12:06:35,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 12:06:35,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:06:35,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 12:06:35,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 12:06:35,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 12:06:35,020 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 12:06:35,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 12:06:35,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 12:06:35,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 12:06:35,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 12:06:35,294 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 12:06:35,295 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 12:06:35,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-05-20 12:06:35,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461927725/454d009242f04ccdbb4c41b88fc78ebb/FLAG7b3586558 [2023-05-20 12:06:35,761 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 12:06:35,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2023-05-20 12:06:35,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461927725/454d009242f04ccdbb4c41b88fc78ebb/FLAG7b3586558 [2023-05-20 12:06:35,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461927725/454d009242f04ccdbb4c41b88fc78ebb [2023-05-20 12:06:35,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 12:06:35,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 12:06:35,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 12:06:35,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 12:06:35,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 12:06:35,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:06:35" (1/1) ... [2023-05-20 12:06:35,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c130886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:35, skipping insertion in model container [2023-05-20 12:06:35,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:06:35" (1/1) ... [2023-05-20 12:06:35,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 12:06:35,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 12:06:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2023-05-20 12:06:35,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:06:35,995 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 12:06:36,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2023-05-20 12:06:36,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:06:36,040 INFO L208 MainTranslator]: Completed translation [2023-05-20 12:06:36,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36 WrapperNode [2023-05-20 12:06:36,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 12:06:36,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 12:06:36,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 12:06:36,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 12:06:36,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,079 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 245 [2023-05-20 12:06:36,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 12:06:36,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 12:06:36,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 12:06:36,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 12:06:36,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 12:06:36,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 12:06:36,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 12:06:36,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 12:06:36,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (1/1) ... [2023-05-20 12:06:36,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:06:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:36,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 12:06:36,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 12:06:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 12:06:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 12:06:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 12:06:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 12:06:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 12:06:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 12:06:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 12:06:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 12:06:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 12:06:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 12:06:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 12:06:36,178 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 12:06:36,305 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 12:06:36,307 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 12:06:36,623 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 12:06:36,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 12:06:36,725 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 12:06:36,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:06:36 BoogieIcfgContainer [2023-05-20 12:06:36,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 12:06:36,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 12:06:36,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 12:06:36,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 12:06:36,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 12:06:35" (1/3) ... [2023-05-20 12:06:36,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657ba72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:06:36, skipping insertion in model container [2023-05-20 12:06:36,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:06:36" (2/3) ... [2023-05-20 12:06:36,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657ba72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:06:36, skipping insertion in model container [2023-05-20 12:06:36,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:06:36" (3/3) ... [2023-05-20 12:06:36,739 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2023-05-20 12:06:36,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 12:06:36,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 12:06:36,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 12:06:36,763 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 12:06:36,854 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 12:06:36,902 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:06:36,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 12:06:36,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:36,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 12:06:36,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 12:06:36,957 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 12:06:36,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 12:06:36,979 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a1dfe2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:06:36,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 12:06:37,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:37,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash 354662399, now seen corresponding path program 1 times [2023-05-20 12:06:37,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:37,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826211455] [2023-05-20 12:06:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:37,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 12:06:37,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:37,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826211455] [2023-05-20 12:06:37,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826211455] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:37,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:06:37,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 12:06:37,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882930250] [2023-05-20 12:06:37,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:37,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 12:06:37,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:37,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 12:06:37,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 12:06:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:37,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:37,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:37,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 12:06:37,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:37,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:37,718 INFO L85 PathProgramCache]: Analyzing trace with hash 303089479, now seen corresponding path program 1 times [2023-05-20 12:06:37,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:37,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370237291] [2023-05-20 12:06:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 12:06:38,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:38,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370237291] [2023-05-20 12:06:38,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370237291] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:38,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:06:38,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 12:06:38,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664863212] [2023-05-20 12:06:38,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:38,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 12:06:38,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:38,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 12:06:38,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 12:06:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:38,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:38,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:38,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 12:06:38,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:38,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2096568535, now seen corresponding path program 1 times [2023-05-20 12:06:38,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:38,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142904703] [2023-05-20 12:06:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 12:06:38,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:38,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142904703] [2023-05-20 12:06:38,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142904703] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:38,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:06:38,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 12:06:38,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345043811] [2023-05-20 12:06:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:38,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 12:06:38,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:38,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 12:06:38,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 12:06:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:38,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:38,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:38,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 12:06:38,809 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:38,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1242995786, now seen corresponding path program 1 times [2023-05-20 12:06:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:38,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010395352] [2023-05-20 12:06:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:38,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 12:06:39,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:39,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010395352] [2023-05-20 12:06:39,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010395352] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:39,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056855841] [2023-05-20 12:06:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:39,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:39,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:39,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:39,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 12:06:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:39,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 12:06:39,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:06:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 12:06:39,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 12:06:39,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056855841] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:39,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 12:06:39,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2023-05-20 12:06:39,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272646264] [2023-05-20 12:06:39,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:39,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 12:06:39,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:39,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 12:06:39,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 12:06:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:39,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:39,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:39,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:39,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:39,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 12:06:39,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-20 12:06:39,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1965537142, now seen corresponding path program 1 times [2023-05-20 12:06:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:39,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539327000] [2023-05-20 12:06:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 12:06:40,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:40,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539327000] [2023-05-20 12:06:40,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539327000] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:40,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:06:40,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-20 12:06:40,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742741252] [2023-05-20 12:06:40,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:40,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-20 12:06:40,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:40,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-20 12:06:40,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-05-20 12:06:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:40,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:40,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 12 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:40,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:40,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 12:06:40,649 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:40,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1968398447, now seen corresponding path program 1 times [2023-05-20 12:06:40,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:40,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91264588] [2023-05-20 12:06:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:40,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 12:06:40,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:40,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91264588] [2023-05-20 12:06:40,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91264588] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:40,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026286284] [2023-05-20 12:06:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:40,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:40,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:40,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:40,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 12:06:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:41,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 12:06:41,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:06:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 12:06:41,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:06:41,560 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 12:06:41,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026286284] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:06:41,560 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:06:41,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 12:06:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956056322] [2023-05-20 12:06:41,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:06:41,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 12:06:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 12:06:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 12:06:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:41,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:41,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.31578947368421) internal successors, (234), 19 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:41,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:41,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 12:06:42,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:42,035 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:42,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2001294542, now seen corresponding path program 2 times [2023-05-20 12:06:42,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:42,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346801619] [2023-05-20 12:06:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:42,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 12:06:42,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:42,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346801619] [2023-05-20 12:06:42,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346801619] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:42,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479094178] [2023-05-20 12:06:42,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 12:06:42,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:42,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:42,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 12:06:42,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 12:06:42,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:06:42,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 12:06:42,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:06:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 12:06:42,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 12:06:42,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479094178] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:06:42,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 12:06:42,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-20 12:06:42,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570906840] [2023-05-20 12:06:42,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:06:42,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 12:06:42,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:42,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 12:06:42,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-20 12:06:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:42,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:42,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:42,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:42,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 12:06:43,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:43,093 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:43,094 INFO L85 PathProgramCache]: Analyzing trace with hash -822961380, now seen corresponding path program 1 times [2023-05-20 12:06:43,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:43,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277314257] [2023-05-20 12:06:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:43,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:43,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277314257] [2023-05-20 12:06:43,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277314257] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:43,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205907866] [2023-05-20 12:06:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:43,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:43,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 12:06:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:43,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 12:06:43,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:06:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:43,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:06:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:43,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205907866] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:06:43,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:06:43,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 12:06:43,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519529107] [2023-05-20 12:06:43,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:06:43,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 12:06:43,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:43,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 12:06:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 12:06:43,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:43,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:43,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.473684210526315) internal successors, (237), 19 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:43,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:43,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:43,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:43,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:43,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:43,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:43,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:43,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:44,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 12:06:44,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:44,466 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:44,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash 622700716, now seen corresponding path program 2 times [2023-05-20 12:06:44,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:44,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200211682] [2023-05-20 12:06:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:46,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:46,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200211682] [2023-05-20 12:06:46,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200211682] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:46,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467729483] [2023-05-20 12:06:46,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 12:06:46,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:46,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:46,165 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:46,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 12:06:46,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 12:06:46,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:06:46,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 12:06:46,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:06:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:06:47,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:06:47,755 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 12:06:47,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 12:06:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:47,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:06:48,100 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:06:48,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-05-20 12:06:48,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 12:06:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:06:50,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467729483] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:06:50,202 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:06:50,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 56 [2023-05-20 12:06:50,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182406561] [2023-05-20 12:06:50,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:06:50,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-20 12:06:50,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:06:50,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-20 12:06:50,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=2855, Unknown=0, NotChecked=0, Total=3080 [2023-05-20 12:06:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:50,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:06:50,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.517857142857143) internal successors, (421), 56 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:50,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:06:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:06:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:06:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:06:55,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 12:06:55,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:55,228 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:06:55,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:06:55,229 INFO L85 PathProgramCache]: Analyzing trace with hash -398182390, now seen corresponding path program 1 times [2023-05-20 12:06:55,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:06:55,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580465604] [2023-05-20 12:06:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:06:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 12:06:58,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:06:58,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580465604] [2023-05-20 12:06:58,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580465604] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:06:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578178093] [2023-05-20 12:06:58,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:06:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:06:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:06:58,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:06:58,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 12:06:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:06:58,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 85 conjunts are in the unsatisfiable core [2023-05-20 12:06:58,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:07:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:02,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:07:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:04,901 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 12:07:04,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2023-05-20 12:07:05,233 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-20 12:07:05,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 10 [2023-05-20 12:07:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:07:05,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:07:06,302 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:07:06,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 216 treesize of output 260 [2023-05-20 12:07:06,332 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:07:06,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 156 [2023-05-20 12:07:06,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2023-05-20 12:07:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:07:10,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578178093] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:07:10,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:07:10,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 45, 39] total 106 [2023-05-20 12:07:10,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45953224] [2023-05-20 12:07:10,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:07:10,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2023-05-20 12:07:10,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:07:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2023-05-20 12:07:10,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=10221, Unknown=4, NotChecked=0, Total=11130 [2023-05-20 12:07:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:10,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:07:10,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.933962264150943) internal successors, (523), 106 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:07:10,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:10,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:10,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:10,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:10,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:10,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:10,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:10,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:10,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:10,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:07:17,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 12:07:17,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:07:17,695 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:07:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:07:17,695 INFO L85 PathProgramCache]: Analyzing trace with hash -722597189, now seen corresponding path program 2 times [2023-05-20 12:07:17,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:07:17,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392468747] [2023-05-20 12:07:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:07:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:07:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:07:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 12:07:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:07:21,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392468747] [2023-05-20 12:07:21,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392468747] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:07:21,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605520219] [2023-05-20 12:07:21,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 12:07:21,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:07:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:07:21,233 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:07:21,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 12:07:21,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 12:07:21,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:07:21,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-20 12:07:21,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:07:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:22,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-20 12:07:22,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-05-20 12:07:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-05-20 12:07:22,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:07:22,424 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:07:22,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2023-05-20 12:07:22,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 12:07:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-05-20 12:07:23,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605520219] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:07:23,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:07:23,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 17, 13] total 56 [2023-05-20 12:07:23,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579755895] [2023-05-20 12:07:23,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:07:23,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-20 12:07:23,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:07:23,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-20 12:07:23,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2868, Unknown=24, NotChecked=0, Total=3080 [2023-05-20 12:07:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:23,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:07:23,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 8.428571428571429) internal successors, (472), 56 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:07:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:07:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:07:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:07:27,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 12:07:27,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 12:07:27,341 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:07:27,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:07:27,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1694201640, now seen corresponding path program 1 times [2023-05-20 12:07:27,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:07:27,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859901637] [2023-05-20 12:07:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:07:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:07:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:07:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-05-20 12:07:27,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:07:27,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859901637] [2023-05-20 12:07:27,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859901637] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:07:27,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656372519] [2023-05-20 12:07:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:07:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:07:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:07:27,629 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:07:27,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 12:07:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:07:27,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 12:07:27,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:07:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-05-20 12:07:27,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:07:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-05-20 12:07:28,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656372519] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:07:28,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:07:28,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 11 [2023-05-20 12:07:28,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877347437] [2023-05-20 12:07:28,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:07:28,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 12:07:28,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:07:28,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 12:07:28,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-05-20 12:07:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:28,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:07:28,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 30.181818181818183) internal successors, (332), 11 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:07:28,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:28,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:28,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:28,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:07:28,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:07:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:07:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:07:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:07:28,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 12:07:28,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:07:28,841 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:07:28,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:07:28,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2073454010, now seen corresponding path program 2 times [2023-05-20 12:07:28,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:07:28,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4663397] [2023-05-20 12:07:28,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:07:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:07:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:07:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:07:48,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:07:48,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4663397] [2023-05-20 12:07:48,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4663397] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:07:48,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074615308] [2023-05-20 12:07:48,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 12:07:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:07:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:07:48,060 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) [2023-05-20 12:07:48,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 12:07:48,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 12:07:48,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:07:48,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-20 12:07:48,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:07:53,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:53,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:07:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:07:56,990 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 12:07:56,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2023-05-20 12:07:59,248 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-20 12:07:59,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 10 [2023-05-20 12:07:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 12:07:59,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:08:00,057 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_548 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_548) c_~q2~0.base) .cse1))) (or (<= (+ c_~t~0 .cse0) c_~N~0) (= .cse0 0)))) (forall ((v_ArrVal_548 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_548) c_~q2~0.base) .cse1))) (or (= .cse2 0) (<= c_~N~0 (+ c_~t~0 .cse2))))))) is different from false [2023-05-20 12:08:01,909 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:08:01,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 726 treesize of output 826 [2023-05-20 12:08:01,958 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:08:01,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 585 treesize of output 588 [2023-05-20 12:08:01,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 543 treesize of output 495 [2023-05-20 12:08:02,015 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:08:02,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 495 treesize of output 486 [2023-05-20 12:08:02,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 441 treesize of output 417 [2023-05-20 12:08:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 12:08:36,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074615308] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:08:36,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:08:36,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 55, 47] total 158 [2023-05-20 12:08:36,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614746395] [2023-05-20 12:08:36,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:08:36,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2023-05-20 12:08:36,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:08:36,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2023-05-20 12:08:36,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=23397, Unknown=14, NotChecked=310, Total=24806 [2023-05-20 12:08:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:08:36,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:08:36,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 3.8417721518987342) internal successors, (607), 158 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:08:36,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:08:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:08:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:08:41,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 12:08:41,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 12:08:41,571 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:08:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:08:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1430964778, now seen corresponding path program 3 times [2023-05-20 12:08:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:08:41,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995368669] [2023-05-20 12:08:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:08:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:08:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:12:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 12:12:54,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:12:54,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995368669] [2023-05-20 12:12:54,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995368669] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:12:54,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965117544] [2023-05-20 12:12:54,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 12:12:54,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:12:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:12:54,644 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) [2023-05-20 12:12:54,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 12:12:54,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 12:12:54,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:12:54,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-20 12:12:54,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:12:58,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:12:58,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:12:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:12:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:12:59,674 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 12:12:59,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 40 [2023-05-20 12:12:59,994 INFO L356 Elim1Store]: treesize reduction 98, result has 6.7 percent of original size [2023-05-20 12:12:59,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 16 [2023-05-20 12:13:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-05-20 12:13:00,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:13:00,637 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_638 (Array Int Int))) (<= (+ c_~t~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_638) c_~q2~0.base) .cse0)) c_~N~0)) (forall ((v_ArrVal_638 (Array Int Int))) (<= c_~N~0 (+ c_~t~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_638) c_~q2~0.base) .cse0)))))) is different from false [2023-05-20 12:13:01,831 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:13:01,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 456 treesize of output 596 [2023-05-20 12:13:01,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:13:01,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 355 treesize of output 364 [2023-05-20 12:13:01,892 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:13:01,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 319 treesize of output 334 [2023-05-20 12:13:01,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 277 [2023-05-20 12:13:01,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 253 [2023-05-20 12:13:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 336 trivial. 2 not checked. [2023-05-20 12:13:24,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965117544] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:13:24,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:13:24,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 32, 32] total 114 [2023-05-20 12:13:24,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90579377] [2023-05-20 12:13:24,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:13:24,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-20 12:13:24,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:13:24,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-20 12:13:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=12166, Unknown=3, NotChecked=222, Total=12882 [2023-05-20 12:13:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:24,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:13:24,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.7105263157894735) internal successors, (537), 114 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:13:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:13:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:13:41,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 12:13:42,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 12:13:42,061 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:13:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:13:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash -872125314, now seen corresponding path program 4 times [2023-05-20 12:13:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:13:42,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533807904] [2023-05-20 12:13:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:13:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:13:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:13:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-05-20 12:13:42,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:13:42,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533807904] [2023-05-20 12:13:42,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533807904] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:13:42,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109739600] [2023-05-20 12:13:42,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 12:13:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:13:42,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:13:42,318 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) [2023-05-20 12:13:42,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 12:13:42,486 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 12:13:42,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:13:42,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 12:13:42,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:13:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-05-20 12:13:42,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:13:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-05-20 12:13:43,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109739600] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:13:43,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:13:43,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7] total 10 [2023-05-20 12:13:43,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956852951] [2023-05-20 12:13:43,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:13:43,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 12:13:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:13:43,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 12:13:43,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-05-20 12:13:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:43,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:13:43,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.6) internal successors, (316), 10 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:13:43,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:43,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:43,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:43,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:43,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:13:43,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:13:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:13:43,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 12:13:43,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 12:13:43,718 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:13:43,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:13:43,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1242999368, now seen corresponding path program 3 times [2023-05-20 12:13:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:13:43,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625399941] [2023-05-20 12:13:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:13:43,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:13:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:13:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-05-20 12:13:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:13:47,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625399941] [2023-05-20 12:13:47,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625399941] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:13:47,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894321002] [2023-05-20 12:13:47,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 12:13:47,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:13:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:13:47,565 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) [2023-05-20 12:13:47,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 12:13:47,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 12:13:47,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:13:47,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 12:13:47,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:13:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:13:48,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:13:48,674 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 12:13:48,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 12:13:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-05-20 12:13:48,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:13:48,766 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_823 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_823) c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) 0))) is different from false [2023-05-20 12:13:48,795 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:13:48,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-05-20 12:13:48,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 12:13:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-05-20 12:13:49,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894321002] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:13:49,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:13:49,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 12, 12] total 50 [2023-05-20 12:13:49,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604938920] [2023-05-20 12:13:49,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:13:49,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-20 12:13:49,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:13:49,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-20 12:13:49,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2131, Unknown=1, NotChecked=94, Total=2450 [2023-05-20 12:13:49,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:49,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:13:49,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.96) internal successors, (448), 50 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) [2023-05-20 12:13:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:49,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:13:49,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:13:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:13:51,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 12:13:51,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-20 12:13:51,729 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:13:51,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:13:51,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1608651141, now seen corresponding path program 3 times [2023-05-20 12:13:51,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:13:51,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175442206] [2023-05-20 12:13:51,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:13:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:13:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:13:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 12:13:58,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:13:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175442206] [2023-05-20 12:13:58,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175442206] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:13:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399111008] [2023-05-20 12:13:58,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 12:13:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:13:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:13:58,288 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) [2023-05-20 12:13:58,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 12:13:58,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 12:13:58,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:13:58,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 12:13:58,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:13:58,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-20 12:14:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:00,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:14:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:00,882 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 12:14:00,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 40 [2023-05-20 12:14:00,992 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-05-20 12:14:00,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 10 [2023-05-20 12:14:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-05-20 12:14:01,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:14:01,116 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_917 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_917) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4))) 0))) is different from false [2023-05-20 12:14:01,504 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:14:01,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 187 treesize of output 239 [2023-05-20 12:14:01,524 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:14:01,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 149 [2023-05-20 12:14:01,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2023-05-20 12:14:04,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-05-20 12:14:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 372 trivial. 2 not checked. [2023-05-20 12:14:04,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399111008] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:14:04,108 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:14:04,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 22, 22] total 87 [2023-05-20 12:14:04,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946964239] [2023-05-20 12:14:04,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:14:04,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2023-05-20 12:14:04,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:14:04,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2023-05-20 12:14:04,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=6847, Unknown=22, NotChecked=168, Total=7482 [2023-05-20 12:14:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:14:04,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:14:04,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 6.011494252873563) internal successors, (523), 87 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:14:04,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:14:04,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:14:04,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:14:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:14:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:14:14,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 12:14:14,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:14:14,215 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:14:14,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:14:14,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1237274086, now seen corresponding path program 5 times [2023-05-20 12:14:14,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:14:14,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634476839] [2023-05-20 12:14:14,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:14:14,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:14:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:14:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:14:47,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:14:47,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634476839] [2023-05-20 12:14:47,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634476839] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:14:47,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697090542] [2023-05-20 12:14:47,129 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 12:14:47,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:14:47,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:14:47,133 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) [2023-05-20 12:14:47,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 12:14:47,699 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-20 12:14:47,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:14:47,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 122 conjunts are in the unsatisfiable core [2023-05-20 12:14:47,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:14:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:54,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:14:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 12:14:55,174 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 12:14:55,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 40 [2023-05-20 12:14:55,409 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-05-20 12:14:55,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 10 [2023-05-20 12:14:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 412 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 12:14:55,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:14:56,494 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~q2~0.offset (* c_~q2_front~0 4)))) (and (forall ((v_ArrVal_1015 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1015) c_~q2~0.base) .cse1))) (or (= .cse0 0) (<= c_~N~0 (+ c_~t~0 .cse0))))) (forall ((v_ArrVal_1015 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1015) c_~q2~0.base) .cse1))) (or (<= (+ c_~t~0 .cse2) c_~N~0) (= .cse2 0)))))) is different from false [2023-05-20 12:14:58,225 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:14:58,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 668 treesize of output 784 [2023-05-20 12:14:58,262 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:14:58,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 543 treesize of output 552 [2023-05-20 12:14:58,294 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:14:58,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 507 treesize of output 504 [2023-05-20 12:14:58,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 459 treesize of output 411 [2023-05-20 12:14:58,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 411 treesize of output 387 [2023-05-20 12:15:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 415 trivial. 2 not checked. [2023-05-20 12:15:21,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697090542] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:15:21,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:15:21,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 59, 33] total 164 [2023-05-20 12:15:21,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088883835] [2023-05-20 12:15:21,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:15:21,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2023-05-20 12:15:21,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:15:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2023-05-20 12:15:21,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=906, Invalid=25501, Unknown=3, NotChecked=322, Total=26732 [2023-05-20 12:15:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:15:21,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:15:21,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 4.121951219512195) internal successors, (676), 164 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:15:21,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:15:21,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:15:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:15:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 12:15:52,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 12:15:52,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 12:15:52,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:15:52,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:15:52,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1033474741, now seen corresponding path program 6 times [2023-05-20 12:15:52,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:15:52,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259086597] [2023-05-20 12:15:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:15:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:15:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:15:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 2 proven. 272 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-20 12:15:57,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:15:57,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259086597] [2023-05-20 12:15:57,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259086597] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:15:57,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318821664] [2023-05-20 12:15:57,731 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 12:15:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:15:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:15:57,732 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) [2023-05-20 12:15:57,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 12:15:57,976 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-20 12:15:57,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:15:57,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-20 12:15:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:15:57,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 12:15:58,117 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 12:15:58,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 12:15:58,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 12:15:58,962 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 12:15:58,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 12:15:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2023-05-20 12:15:59,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:15:59,218 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:15:59,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-05-20 12:15:59,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-20 12:16:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2023-05-20 12:16:00,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318821664] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:16:00,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:16:00,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 14, 14] total 59 [2023-05-20 12:16:00,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134957694] [2023-05-20 12:16:00,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:16:00,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-20 12:16:00,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:16:00,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-20 12:16:00,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=3102, Unknown=0, NotChecked=0, Total=3422 [2023-05-20 12:16:00,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:00,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:16:00,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 8.694915254237289) internal successors, (513), 59 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:16:00,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 12:16:00,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:16:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 12:16:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:16:04,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-20 12:16:05,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:16:05,165 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:16:05,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:16:05,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1509293214, now seen corresponding path program 7 times [2023-05-20 12:16:05,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:16:05,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325938955] [2023-05-20 12:16:05,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:16:05,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:16:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:16:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-05-20 12:16:08,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:16:08,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325938955] [2023-05-20 12:16:08,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325938955] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:16:08,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314322146] [2023-05-20 12:16:08,966 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 12:16:08,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:16:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:16:08,968 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) [2023-05-20 12:16:08,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 12:16:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:16:09,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-20 12:16:09,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:16:10,891 INFO L356 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2023-05-20 12:16:10,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 11 [2023-05-20 12:16:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-05-20 12:16:10,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:16:11,125 INFO L356 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2023-05-20 12:16:11,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 17 [2023-05-20 12:16:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-05-20 12:16:12,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314322146] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:16:12,560 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:16:12,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 27, 27] total 93 [2023-05-20 12:16:12,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002213895] [2023-05-20 12:16:12,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:16:12,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-05-20 12:16:12,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:16:12,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-05-20 12:16:12,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1521, Invalid=7035, Unknown=0, NotChecked=0, Total=8556 [2023-05-20 12:16:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:12,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:16:12,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.376344086021505) internal successors, (593), 93 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:12,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:16:12,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 12:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-20 12:16:17,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-05-20 12:16:17,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:16:17,541 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 12:16:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:16:17,541 INFO L85 PathProgramCache]: Analyzing trace with hash -736191563, now seen corresponding path program 8 times [2023-05-20 12:16:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:16:17,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375548362] [2023-05-20 12:16:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:16:17,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:16:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-20 12:19:31,210 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 12:19:31,210 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 12:19:31,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-05-20 12:19:31,255 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1434) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$MixedLAInterpolator.convert(Interpolator.java:1297) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:158) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:86) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:319) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.mixedPivotLA(Interpolator.java:1479) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:438) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:175) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:776) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-20 12:19:31,257 INFO L158 Benchmark]: Toolchain (without parser) took 775475.11ms. Allocated memory was 170.9MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 143.3MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.89ms. Allocated memory is still 170.9MB. Free memory was 143.1MB in the beginning and 148.3MB in the end (delta: -5.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.83ms. Allocated memory is still 170.9MB. Free memory was 148.3MB in the beginning and 146.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: Boogie Preprocessor took 30.70ms. Allocated memory is still 170.9MB. Free memory was 146.0MB in the beginning and 143.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: RCFGBuilder took 616.39ms. Allocated memory is still 170.9MB. Free memory was 143.9MB in the beginning and 110.6MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-05-20 12:19:31,258 INFO L158 Benchmark]: TraceAbstraction took 774527.76ms. Allocated memory was 170.9MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 109.3MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2023-05-20 12:19:31,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.89ms. Allocated memory is still 170.9MB. Free memory was 143.1MB in the beginning and 148.3MB in the end (delta: -5.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.83ms. Allocated memory is still 170.9MB. Free memory was 148.3MB in the beginning and 146.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.70ms. Allocated memory is still 170.9MB. Free memory was 146.0MB in the beginning and 143.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 616.39ms. Allocated memory is still 170.9MB. Free memory was 143.9MB in the beginning and 110.6MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 774527.76ms. Allocated memory was 170.9MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 109.3MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1434) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown