/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-VarAbsGlobalSmt.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 17:06:24,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 17:06:24,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 17:06:24,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 17:06:24,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 17:06:24,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 17:06:24,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 17:06:24,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 17:06:24,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 17:06:24,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 17:06:24,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 17:06:24,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 17:06:24,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 17:06:24,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 17:06:24,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 17:06:24,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 17:06:24,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 17:06:24,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 17:06:24,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 17:06:24,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 17:06:24,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 17:06:24,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 17:06:24,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 17:06:24,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 17:06:24,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 17:06:24,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 17:06:24,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 17:06:24,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 17:06:24,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 17:06:24,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 17:06:24,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 17:06:24,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 17:06:24,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 17:06:24,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 17:06:24,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 17:06:24,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 17:06:24,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 17:06:24,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 17:06:24,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 17:06:24,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 17:06:24,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 17:06:24,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-16 17:06:24,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 17:06:24,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 17:06:24,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 17:06:24,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 17:06:24,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 17:06:24,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 17:06:24,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 17:06:24,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 17:06:24,589 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 17:06:24,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 17:06:24,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 17:06:24,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 17:06:24,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 17:06:24,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 17:06:24,592 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 17:06:24,593 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 17:06:24,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 17:06:24,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 17:06:24,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 17:06:24,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 17:06:24,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 17:06:24,807 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 17:06:24,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2022-11-16 17:06:24,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0deeb3d/240c7e1c4a7641d88e5480b74c427355/FLAGaa17e5f54 [2022-11-16 17:06:25,206 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 17:06:25,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2022-11-16 17:06:25,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0deeb3d/240c7e1c4a7641d88e5480b74c427355/FLAGaa17e5f54 [2022-11-16 17:06:25,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0deeb3d/240c7e1c4a7641d88e5480b74c427355 [2022-11-16 17:06:25,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 17:06:25,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 17:06:25,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 17:06:25,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 17:06:25,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 17:06:25,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673ae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25, skipping insertion in model container [2022-11-16 17:06:25,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 17:06:25,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 17:06:25,450 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2781,2794] [2022-11-16 17:06:25,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 17:06:25,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 17:06:25,482 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2781,2794] [2022-11-16 17:06:25,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 17:06:25,510 INFO L208 MainTranslator]: Completed translation [2022-11-16 17:06:25,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25 WrapperNode [2022-11-16 17:06:25,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 17:06:25,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 17:06:25,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 17:06:25,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 17:06:25,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,567 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 281 [2022-11-16 17:06:25,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 17:06:25,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 17:06:25,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 17:06:25,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 17:06:25,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 17:06:25,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 17:06:25,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 17:06:25,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 17:06:25,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (1/1) ... [2022-11-16 17:06:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 17:06:25,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:25,644 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) [2022-11-16 17:06:25,659 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 [2022-11-16 17:06:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 17:06:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 17:06:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 17:06:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 17:06:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 17:06:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 17:06:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 17:06:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 17:06:25,675 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 17:06:25,743 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 17:06:25,744 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 17:06:26,092 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 17:06:26,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 17:06:26,101 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 17:06:26,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:06:26 BoogieIcfgContainer [2022-11-16 17:06:26,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 17:06:26,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 17:06:26,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 17:06:26,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 17:06:26,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:06:25" (1/3) ... [2022-11-16 17:06:26,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde526b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:06:26, skipping insertion in model container [2022-11-16 17:06:26,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:06:25" (2/3) ... [2022-11-16 17:06:26,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde526b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:06:26, skipping insertion in model container [2022-11-16 17:06:26,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 05:06:26" (3/3) ... [2022-11-16 17:06:26,127 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2022-11-16 17:06:26,132 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 17:06:26,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 17:06:26,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 17:06:26,138 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 17:06:26,266 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 17:06:26,306 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 17:06:26,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 17:06:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:26,308 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) [2022-11-16 17:06:26,310 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 [2022-11-16 17:06:26,344 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 17:06:26,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 17:06:26,360 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;@12156255, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 17:06:26,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 17:06:26,724 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)] === [2022-11-16 17:06:26,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash -45668861, now seen corresponding path program 1 times [2022-11-16 17:06:26,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:26,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862707689] [2022-11-16 17:06:26,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:26,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:26,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:26,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862707689] [2022-11-16 17:06:26,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862707689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:26,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:26,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 17:06:26,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59669469] [2022-11-16 17:06:26,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:26,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 17:06:26,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 17:06:26,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 17:06:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:26,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:26,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.5) internal successors, (177), 2 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) [2022-11-16 17:06:26,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:26,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:26,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 17:06:26,994 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)] === [2022-11-16 17:06:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:26,995 INFO L85 PathProgramCache]: Analyzing trace with hash -811381537, now seen corresponding path program 1 times [2022-11-16 17:06:26,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:26,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388723842] [2022-11-16 17:06:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:26,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:28,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:28,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388723842] [2022-11-16 17:06:28,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388723842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:28,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:28,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-16 17:06:28,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494998701] [2022-11-16 17:06:28,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:28,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 17:06:28,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:28,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 17:06:28,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2022-11-16 17:06:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:28,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:28,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.041666666666667) internal successors, (169), 24 states have internal predecessors, (169), 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) [2022-11-16 17:06:28,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:28,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 17:06:29,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 17:06:29,848 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)] === [2022-11-16 17:06:29,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:29,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1048086750, now seen corresponding path program 1 times [2022-11-16 17:06:29,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:29,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336172870] [2022-11-16 17:06:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:29,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:29,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336172870] [2022-11-16 17:06:29,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336172870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:29,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:29,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:29,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739336049] [2022-11-16 17:06:29,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:29,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:29,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:29,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:29,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:29,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:29,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 7 states have internal predecessors, (202), 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) [2022-11-16 17:06:29,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:29,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 17:06:29,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 17:06:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 17:06:30,146 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)] === [2022-11-16 17:06:30,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:30,146 INFO L85 PathProgramCache]: Analyzing trace with hash 649415330, now seen corresponding path program 1 times [2022-11-16 17:06:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:30,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719332630] [2022-11-16 17:06:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:30,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:30,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719332630] [2022-11-16 17:06:30,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719332630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:30,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:30,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:30,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47983027] [2022-11-16 17:06:30,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:30,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:30,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:30,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:30,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 7 states have internal predecessors, (202), 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) [2022-11-16 17:06:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-16 17:06:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 17:06:30,476 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)] === [2022-11-16 17:06:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:30,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1409954504, now seen corresponding path program 1 times [2022-11-16 17:06:30,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:30,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200365347] [2022-11-16 17:06:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:30,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:30,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200365347] [2022-11-16 17:06:30,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200365347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:30,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:30,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:30,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608357129] [2022-11-16 17:06:30,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:30,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:30,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:30,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 7 states have internal predecessors, (202), 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) [2022-11-16 17:06:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:30,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 17:06:30,786 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)] === [2022-11-16 17:06:30,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash 457078205, now seen corresponding path program 1 times [2022-11-16 17:06:30,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:30,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766756529] [2022-11-16 17:06:30,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:30,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:31,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766756529] [2022-11-16 17:06:31,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766756529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26587200] [2022-11-16 17:06:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:31,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:31,273 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) [2022-11-16 17:06:31,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 17:06:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:31,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 17:06:31,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:31,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:32,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26587200] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:32,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:32,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [19, 18] total 36 [2022-11-16 17:06:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636006156] [2022-11-16 17:06:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:32,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 17:06:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:32,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 17:06:32,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2022-11-16 17:06:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:32,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:32,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 18 states have internal predecessors, (176), 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) [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:33,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:33,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:34,114 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,SelfDestructingSolverStorable5 [2022-11-16 17:06:34,116 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)] === [2022-11-16 17:06:34,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:34,118 INFO L85 PathProgramCache]: Analyzing trace with hash -276784079, now seen corresponding path program 1 times [2022-11-16 17:06:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:34,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376234099] [2022-11-16 17:06:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:34,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:34,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376234099] [2022-11-16 17:06:34,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376234099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:34,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:34,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:34,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727817312] [2022-11-16 17:06:34,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:34,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:34,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:34,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:34,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:34,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:34,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 17:06:34,440 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)] === [2022-11-16 17:06:34,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1444771120, now seen corresponding path program 1 times [2022-11-16 17:06:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:34,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454230175] [2022-11-16 17:06:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:34,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:34,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454230175] [2022-11-16 17:06:34,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454230175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:34,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129020459] [2022-11-16 17:06:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:34,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:34,684 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) [2022-11-16 17:06:34,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 17:06:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:34,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 17:06:34,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:35,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:35,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129020459] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:35,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:35,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-11-16 17:06:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816125978] [2022-11-16 17:06:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:35,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 17:06:35,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:35,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 17:06:35,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-11-16 17:06:35,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:35,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:35,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.636363636363637) internal successors, (183), 11 states have internal predecessors, (183), 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) [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:35,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:35,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:35,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:35,960 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)] === [2022-11-16 17:06:35,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:35,963 INFO L85 PathProgramCache]: Analyzing trace with hash 79465741, now seen corresponding path program 1 times [2022-11-16 17:06:35,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:35,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967964326] [2022-11-16 17:06:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:36,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:36,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967964326] [2022-11-16 17:06:36,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967964326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:36,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122391199] [2022-11-16 17:06:36,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:36,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:36,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:36,255 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) [2022-11-16 17:06:36,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 17:06:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:36,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 17:06:36,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:36,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:36,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122391199] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:36,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:36,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 26 [2022-11-16 17:06:36,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364153814] [2022-11-16 17:06:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:36,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 17:06:36,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:36,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 17:06:36,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2022-11-16 17:06:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:36,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:36,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.615384615384617) internal successors, (216), 13 states have internal predecessors, (216), 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) [2022-11-16 17:06:36,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:36,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:36,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:38,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:38,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:38,257 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)] === [2022-11-16 17:06:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:38,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2106454575, now seen corresponding path program 1 times [2022-11-16 17:06:38,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:38,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40256197] [2022-11-16 17:06:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:38,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:38,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:38,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40256197] [2022-11-16 17:06:38,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40256197] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:38,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903471185] [2022-11-16 17:06:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:38,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:38,567 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) [2022-11-16 17:06:38,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 17:06:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:38,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 17:06:38,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:38,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:39,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903471185] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:39,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:39,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 26 [2022-11-16 17:06:39,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664967507] [2022-11-16 17:06:39,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:39,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 17:06:39,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:39,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 17:06:39,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2022-11-16 17:06:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:39,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:39,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 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) [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 17:06:40,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:40,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 17:06:40,231 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)] === [2022-11-16 17:06:40,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:40,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1509526906, now seen corresponding path program 1 times [2022-11-16 17:06:40,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:40,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354128986] [2022-11-16 17:06:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:40,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:40,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354128986] [2022-11-16 17:06:40,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354128986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:40,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:40,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:40,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428988587] [2022-11-16 17:06:40,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:40,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:40,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:40,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:40,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:40,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:40,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 7 states have internal predecessors, (209), 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) [2022-11-16 17:06:40,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:40,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 17:06:40,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:41,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 17:06:41,515 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)] === [2022-11-16 17:06:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1135354362, now seen corresponding path program 1 times [2022-11-16 17:06:41,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:41,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302957003] [2022-11-16 17:06:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:41,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:41,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302957003] [2022-11-16 17:06:41,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302957003] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:41,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550897066] [2022-11-16 17:06:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:41,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:41,823 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) [2022-11-16 17:06:41,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 17:06:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:41,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 17:06:41,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:42,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:42,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550897066] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:42,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:42,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-11-16 17:06:42,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848710974] [2022-11-16 17:06:42,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:42,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 17:06:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:42,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 17:06:42,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-11-16 17:06:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:42,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:42,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.636363636363637) internal successors, (183), 11 states have internal predecessors, (183), 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) [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:43,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:43,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:43,750 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)] === [2022-11-16 17:06:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1183496323, now seen corresponding path program 1 times [2022-11-16 17:06:43,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:43,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691200625] [2022-11-16 17:06:43,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:06:44,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:44,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691200625] [2022-11-16 17:06:44,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691200625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:44,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654658302] [2022-11-16 17:06:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:44,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:44,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:44,326 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) [2022-11-16 17:06:44,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 17:06:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:44,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-16 17:06:44,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:44,584 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-16 17:06:44,584 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 20 [2022-11-16 17:06:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:06:44,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 17:06:44,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654658302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:44,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 17:06:44,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [20] total 31 [2022-11-16 17:06:44,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824325191] [2022-11-16 17:06:44,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:44,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 17:06:44,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:44,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 17:06:44,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2022-11-16 17:06:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:44,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:44,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.4) internal successors, (216), 15 states have internal predecessors, (216), 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) [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:44,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:45,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:46,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:46,038 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)] === [2022-11-16 17:06:46,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:46,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1968733269, now seen corresponding path program 1 times [2022-11-16 17:06:46,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:46,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869710337] [2022-11-16 17:06:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:46,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:46,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869710337] [2022-11-16 17:06:46,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869710337] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:46,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075806645] [2022-11-16 17:06:46,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:46,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:46,605 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) [2022-11-16 17:06:46,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 17:06:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:46,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 17:06:46,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:47,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:48,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075806645] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:48,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:48,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [20, 18] total 37 [2022-11-16 17:06:48,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300648326] [2022-11-16 17:06:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:48,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 17:06:48,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:48,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 17:06:48,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1146, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 17:06:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:48,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:48,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.666666666666666) internal successors, (192), 18 states have internal predecessors, (192), 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) [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:49,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:49,877 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,SelfDestructingSolverStorable13 [2022-11-16 17:06:49,878 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)] === [2022-11-16 17:06:49,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1346377542, now seen corresponding path program 1 times [2022-11-16 17:06:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:49,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950453532] [2022-11-16 17:06:49,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:06:50,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:50,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950453532] [2022-11-16 17:06:50,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950453532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:06:50,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:06:50,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 17:06:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431848888] [2022-11-16 17:06:50,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:50,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 17:06:50,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 17:06:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 17:06:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:50,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:50,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.142857142857146) internal successors, (225), 7 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:51,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 17:06:51,537 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)] === [2022-11-16 17:06:51,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:51,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1646713826, now seen corresponding path program 1 times [2022-11-16 17:06:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:51,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803960230] [2022-11-16 17:06:51,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:51,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:51,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803960230] [2022-11-16 17:06:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803960230] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:51,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567070935] [2022-11-16 17:06:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:51,840 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) [2022-11-16 17:06:51,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 17:06:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:51,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 17:06:51,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:52,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:06:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 17:06:52,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567070935] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:52,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 17:06:52,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-11-16 17:06:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999027644] [2022-11-16 17:06:52,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:06:52,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 17:06:52,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:06:52,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 17:06:52,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-11-16 17:06:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:52,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:06:52,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.09090909090909) internal successors, (232), 11 states have internal predecessors, (232), 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) [2022-11-16 17:06:52,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:52,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:52,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:06:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:06:53,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 17:06:54,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-16 17:06:54,130 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)] === [2022-11-16 17:06:54,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:06:54,130 INFO L85 PathProgramCache]: Analyzing trace with hash -533316317, now seen corresponding path program 1 times [2022-11-16 17:06:54,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:06:54,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535746774] [2022-11-16 17:06:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:06:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:06:56,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:06:56,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535746774] [2022-11-16 17:06:56,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535746774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:06:56,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853930427] [2022-11-16 17:06:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:06:56,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:06:56,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:06:56,955 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) [2022-11-16 17:06:56,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 17:06:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:06:57,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 133 conjunts are in the unsatisfiable core [2022-11-16 17:06:57,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:06:57,128 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 17:06:57,180 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 17:06:57,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-16 17:06:57,547 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 17:06:57,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-11-16 17:06:57,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 17:06:58,226 INFO L321 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2022-11-16 17:06:58,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2022-11-16 17:06:58,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-16 17:06:58,877 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-11-16 17:06:58,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2022-11-16 17:06:59,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-16 17:06:59,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 17:06:59,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-16 17:06:59,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 17:07:01,325 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 17:07:01,326 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 25 [2022-11-16 17:07:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:07:01,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:07:05,221 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse16 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4)) (.cse17 (* |c_thread2Thread1of1ForFork2_~i~1#1| 4))) (let ((.cse6 (+ .cse17 c_~a3~0.offset)) (.cse5 (+ .cse17 c_~a1~0.offset)) (.cse8 (+ .cse16 c_~a1~0.offset)) (.cse9 (+ .cse16 c_~a2~0.offset))) (and (forall ((v_ArrVal_559 (Array Int Int)) (~a2~0.base Int)) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse4 (select .cse7 c_~a1~0.base)) (.cse3 (select .cse7 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse2 (select .cse7 ~a3~0.base))) (let ((.cse1 (select .cse2 .cse6)) (.cse0 (select .cse4 .cse5))) (or (= .cse0 .cse1) (<= (select .cse2 c_~a3~0.offset) (select .cse3 c_~a2~0.offset)) (not (<= .cse1 .cse0)))))) (not (= (select .cse4 .cse8) (select .cse3 .cse9))))))) (forall ((v_ArrVal_559 (Array Int Int)) (~a2~0.base Int)) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse14 (select .cse15 c_~a1~0.base)) (.cse12 (select .cse15 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse13 (select .cse15 ~a3~0.base))) (let ((.cse11 (select .cse14 .cse5)) (.cse10 (select .cse13 .cse6))) (or (<= (+ .cse10 1) .cse11) (= .cse11 .cse10) (<= (select .cse12 c_~a2~0.offset) (select .cse13 c_~a3~0.offset)))))) (not (= (select .cse14 .cse8) (select .cse12 .cse9)))))))))) is different from false [2022-11-16 17:07:05,351 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse12 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (let ((.cse5 (+ .cse12 c_~a1~0.offset)) (.cse6 (+ .cse12 c_~a2~0.offset))) (and (forall ((v_ArrVal_559 (Array Int Int)) (~a2~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse4 (select .cse3 c_~a1~0.base)) (.cse2 (select .cse3 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse1 (select .cse4 c_~a1~0.offset)) (.cse0 (select (select .cse3 ~a3~0.base) c_~a3~0.offset))) (or (= .cse0 .cse1) (<= (+ .cse0 1) .cse1) (<= (select .cse2 c_~a2~0.offset) .cse0)))) (not (= (select .cse4 .cse5) (select .cse2 .cse6))))))) (forall ((v_ArrVal_559 (Array Int Int)) (~a2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse11 (select .cse10 c_~a1~0.base)) (.cse9 (select .cse10 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse8 (select .cse11 c_~a1~0.offset)) (.cse7 (select (select .cse10 ~a3~0.base) c_~a3~0.offset))) (or (not (<= .cse7 .cse8)) (= .cse7 .cse8) (<= .cse7 (select .cse9 c_~a2~0.offset))))) (not (= (select .cse11 .cse5) (select .cse9 .cse6)))))))))) is different from false [2022-11-16 17:07:05,397 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse12 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (let ((.cse5 (+ .cse12 c_~a1~0.offset)) (.cse6 (+ .cse12 c_~a2~0.offset))) (and (forall ((v_ArrVal_559 (Array Int Int)) (v_ArrVal_558 (Array Int Int)) (~a2~0.base Int)) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_558) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse4 (select .cse3 c_~a1~0.base)) (.cse2 (select .cse3 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse0 (select .cse4 c_~a1~0.offset)) (.cse1 (select (select .cse3 ~a3~0.base) c_~a3~0.offset))) (or (= .cse0 .cse1) (not (<= .cse1 .cse0)) (<= .cse1 (select .cse2 c_~a2~0.offset))))) (not (= (select .cse4 .cse5) (select .cse2 .cse6))))))) (forall ((v_ArrVal_559 (Array Int Int)) (v_ArrVal_558 (Array Int Int)) (~a2~0.base Int)) (let ((.cse11 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_558) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_559))) (let ((.cse8 (select .cse11 ~a2~0.base)) (.cse7 (select .cse11 c_~a1~0.base))) (or (not (= (select .cse7 .cse5) (select .cse8 .cse6))) (forall ((~a3~0.base Int)) (let ((.cse9 (select (select .cse11 ~a3~0.base) c_~a3~0.offset)) (.cse10 (select .cse7 c_~a1~0.offset))) (or (<= (select .cse8 c_~a2~0.offset) .cse9) (= .cse10 .cse9) (<= (+ .cse9 1) .cse10))))))))))) is different from false [2022-11-16 17:07:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:07:05,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853930427] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 17:07:05,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 17:07:05,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 60, 34] total 126 [2022-11-16 17:07:05,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580191873] [2022-11-16 17:07:05,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 17:07:05,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-11-16 17:07:05,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:07:05,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-11-16 17:07:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=14524, Unknown=3, NotChecked=732, Total=15750 [2022-11-16 17:07:05,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:05,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:07:05,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 5.420634920634921) internal successors, (683), 126 states have internal predecessors, (683), 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) [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:05,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:05,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:37,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:37,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-11-16 17:07:37,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 17:07:37,419 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,SelfDestructingSolverStorable16 [2022-11-16 17:07:37,419 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)] === [2022-11-16 17:07:37,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:07:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash 420589570, now seen corresponding path program 1 times [2022-11-16 17:07:37,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:07:37,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863541069] [2022-11-16 17:07:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:37,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:07:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:37,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:07:37,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863541069] [2022-11-16 17:07:37,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863541069] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:07:37,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937130224] [2022-11-16 17:07:37,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:37,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:07:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:07:37,640 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) [2022-11-16 17:07:37,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 17:07:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:37,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 17:07:37,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:07:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:38,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:07:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:38,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937130224] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 17:07:38,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 17:07:38,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2022-11-16 17:07:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334203709] [2022-11-16 17:07:38,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 17:07:38,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 17:07:38,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:07:38,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 17:07:38,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2022-11-16 17:07:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:38,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:07:38,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 20.107142857142858) internal successors, (563), 28 states have internal predecessors, (563), 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) [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-11-16 17:07:38,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-16 17:07:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:07:41,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-16 17:07:41,365 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,SelfDestructingSolverStorable17 [2022-11-16 17:07:41,366 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)] === [2022-11-16 17:07:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:07:41,366 INFO L85 PathProgramCache]: Analyzing trace with hash -968829433, now seen corresponding path program 1 times [2022-11-16 17:07:41,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:07:41,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951683633] [2022-11-16 17:07:41,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:41,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:07:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:07:42,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:07:42,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951683633] [2022-11-16 17:07:42,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951683633] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:07:42,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459442307] [2022-11-16 17:07:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:07:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:07:42,353 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) [2022-11-16 17:07:42,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 17:07:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:42,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-16 17:07:42,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:07:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:07:43,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:07:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:07:46,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459442307] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 17:07:46,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 17:07:46,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2022-11-16 17:07:46,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179071738] [2022-11-16 17:07:46,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 17:07:46,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-16 17:07:46,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:07:46,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-16 17:07:46,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=3454, Unknown=0, NotChecked=0, Total=4032 [2022-11-16 17:07:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:46,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:07:46,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.046875) internal successors, (515), 64 states have internal predecessors, (515), 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) [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:07:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:07:50,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 17:07:50,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:07:50,970 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)] === [2022-11-16 17:07:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:07:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash -597244746, now seen corresponding path program 1 times [2022-11-16 17:07:50,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:07:50,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081753515] [2022-11-16 17:07:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:50,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:07:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:51,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:07:51,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081753515] [2022-11-16 17:07:51,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081753515] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:07:51,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735019655] [2022-11-16 17:07:51,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:07:51,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:07:51,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:07:51,145 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) [2022-11-16 17:07:51,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-16 17:07:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:07:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 17:07:51,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:07:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:51,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:07:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:07:51,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735019655] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 17:07:51,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 17:07:51,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2022-11-16 17:07:51,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803839803] [2022-11-16 17:07:51,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 17:07:51,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 17:07:51,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:07:51,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 17:07:51,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2022-11-16 17:07:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:51,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:07:51,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 16.25) internal successors, (455), 28 states have internal predecessors, (455), 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) [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:07:51,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:09:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 17:09:32,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-16 17:09:32,867 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,SelfDestructingSolverStorable19 [2022-11-16 17:09:32,867 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)] === [2022-11-16 17:09:32,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:09:32,868 INFO L85 PathProgramCache]: Analyzing trace with hash -355411563, now seen corresponding path program 1 times [2022-11-16 17:09:32,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:09:32,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732570745] [2022-11-16 17:09:32,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:09:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:09:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:09:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:09:35,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:09:35,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732570745] [2022-11-16 17:09:35,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732570745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:09:35,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 17:09:35,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-11-16 17:09:35,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550932375] [2022-11-16 17:09:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:09:35,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-16 17:09:35,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:09:35,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-16 17:09:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2190, Unknown=0, NotChecked=0, Total=2352 [2022-11-16 17:09:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:09:35,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:09:35,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.8979591836734695) internal successors, (289), 49 states have internal predecessors, (289), 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) [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:09:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 17:09:35,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:15,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:10:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 17:10:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-11-16 17:10:15,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 17:10:15,459 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 17:10:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:10:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1939156523, now seen corresponding path program 1 times [2022-11-16 17:10:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:10:15,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543228860] [2022-11-16 17:10:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:10:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:10:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:10:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 17:10:18,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:10:18,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543228860] [2022-11-16 17:10:18,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543228860] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:10:18,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659176871] [2022-11-16 17:10:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:10:18,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:10:18,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:10:18,542 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) [2022-11-16 17:10:18,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 17:10:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:10:18,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-16 17:10:18,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:10:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 17:10:19,044 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 17:10:21,273 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-16 17:10:21,273 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 20 [2022-11-16 17:10:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 17:10:21,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 17:10:21,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659176871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 17:10:21,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 17:10:21,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [50] total 67 [2022-11-16 17:10:21,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978957502] [2022-11-16 17:10:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 17:10:21,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-16 17:10:21,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 17:10:21,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-16 17:10:21,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=4214, Unknown=1, NotChecked=0, Total=4422 [2022-11-16 17:10:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:21,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 17:10:21,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.045454545454545) internal successors, (265), 22 states have internal predecessors, (265), 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) [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:21,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-11-16 17:10:21,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2022-11-16 17:10:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 17:10:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 17:10:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 17:10:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-11-16 17:10:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 17:10:39,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-16 17:10:39,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:10:39,549 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 17:10:39,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 17:10:39,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1903298713, now seen corresponding path program 2 times [2022-11-16 17:10:39,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 17:10:39,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921231143] [2022-11-16 17:10:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 17:10:39,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 17:10:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 17:10:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 17:10:41,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 17:10:41,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921231143] [2022-11-16 17:10:41,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921231143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 17:10:41,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041489995] [2022-11-16 17:10:41,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 17:10:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 17:10:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 17:10:41,876 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) [2022-11-16 17:10:41,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 17:10:42,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 17:10:42,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 17:10:42,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 131 conjunts are in the unsatisfiable core [2022-11-16 17:10:42,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 17:10:42,225 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 17:10:42,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 17:10:42,650 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 17:10:42,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 17:10:42,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-16 17:10:43,461 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 17:10:43,461 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 17:10:43,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-16 17:10:44,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 17:10:44,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 17:10:44,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 17:10:44,507 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 17:10:46,177 INFO L321 Elim1Store]: treesize reduction 19, result has 42.4 percent of original size [2022-11-16 17:10:46,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 32 [2022-11-16 17:10:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 17:10:46,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 17:10:50,102 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread2Thread1of1ForFork2_~i~1#1| 4))) (let ((.cse1 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~a2~0.offset)) (.cse7 (+ .cse15 c_~a3~0.offset)) (.cse6 (+ .cse15 c_~a1~0.offset))) (and (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse0 (select .cse5 ~a2~0.base))) (or (not (= (select .cse0 .cse1) |c_thread1Thread1of1ForFork1_#t~mem1#1|)) (forall ((~a3~0.base Int)) (let ((.cse2 (select .cse5 ~a3~0.base))) (let ((.cse3 (select .cse2 .cse7)) (.cse4 (select (select .cse5 c_~a1~0.base) .cse6))) (or (<= (select .cse0 c_~a2~0.offset) (select .cse2 c_~a3~0.offset)) (< .cse3 .cse4) (= .cse3 .cse4))))))))) (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse8 (select .cse14 ~a2~0.base))) (or (not (= (select .cse8 .cse1) |c_thread1Thread1of1ForFork1_#t~mem1#1|)) (forall ((~a3~0.base Int)) (let ((.cse13 (select .cse14 ~a3~0.base))) (let ((.cse10 (select (select .cse14 c_~a1~0.base) .cse6)) (.cse9 (select .cse13 .cse7)) (.cse11 (select .cse13 c_~a3~0.offset)) (.cse12 (select .cse8 c_~a2~0.offset))) (or (= .cse9 .cse10) (< .cse11 .cse12) (< .cse10 .cse9) (= .cse11 .cse12)))))))))))) is different from false [2022-11-16 17:10:50,132 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse16 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4)) (.cse17 (* |c_thread2Thread1of1ForFork2_~i~1#1| 4))) (let ((.cse6 (+ .cse17 c_~a3~0.offset)) (.cse5 (+ .cse17 c_~a1~0.offset)) (.cse7 (+ .cse16 c_~a2~0.offset)) (.cse8 (select (select |c_#memory_int| c_~a1~0.base) (+ .cse16 c_~a1~0.offset)))) (and (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse0 (select .cse4 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse1 (select .cse4 ~a3~0.base))) (let ((.cse2 (select .cse1 .cse6)) (.cse3 (select (select .cse4 c_~a1~0.base) .cse5))) (or (<= (select .cse0 c_~a2~0.offset) (select .cse1 c_~a3~0.offset)) (< .cse2 .cse3) (= .cse2 .cse3))))) (not (= (select .cse0 .cse7) .cse8)))))) (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse13 (select .cse15 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse14 (select .cse15 ~a3~0.base))) (let ((.cse10 (select (select .cse15 c_~a1~0.base) .cse5)) (.cse9 (select .cse14 .cse6)) (.cse11 (select .cse14 c_~a3~0.offset)) (.cse12 (select .cse13 c_~a2~0.offset))) (or (= .cse9 .cse10) (< .cse11 .cse12) (< .cse10 .cse9) (= .cse11 .cse12))))) (not (= (select .cse13 .cse7) .cse8))))))))) is different from false [2022-11-16 17:10:50,288 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse11 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (let ((.cse5 (+ .cse11 c_~a2~0.offset)) (.cse6 (select (select |c_#memory_int| c_~a1~0.base) (+ .cse11 c_~a1~0.offset)))) (and (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse3 (select .cse4 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)) (.cse0 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse1 (select .cse3 c_~a2~0.offset))) (or (< .cse0 .cse1) (< .cse2 .cse0) (= .cse0 .cse2) (= .cse0 .cse1)))) (not (= (select .cse3 .cse5) .cse6)))))) (forall ((v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse7 (select .cse10 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse8 (select (select .cse10 ~a3~0.base) c_~a3~0.offset)) (.cse9 (select (select .cse10 c_~a1~0.base) c_~a1~0.offset))) (or (<= (select .cse7 c_~a2~0.offset) .cse8) (= .cse8 .cse9) (< .cse8 .cse9)))) (not (= (select .cse7 .cse5) .cse6))))))))) is different from false [2022-11-16 17:10:50,345 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse13 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (let ((.cse1 (+ .cse13 c_~a1~0.offset)) (.cse3 (+ .cse13 c_~a2~0.offset))) (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse7 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse2 (select .cse7 ~a2~0.base))) (or (not (= (select (select .cse0 c_~a1~0.base) .cse1) (select .cse2 .cse3))) (forall ((~a3~0.base Int)) (let ((.cse4 (select (select .cse7 c_~a1~0.base) c_~a1~0.offset)) (.cse6 (select .cse2 c_~a2~0.offset)) (.cse5 (select (select .cse7 ~a3~0.base) c_~a3~0.offset))) (or (< .cse4 .cse5) (< .cse5 .cse6) (= .cse4 .cse5) (= .cse6 .cse5))))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse11 (store .cse12 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse8 (select .cse11 ~a2~0.base))) (or (forall ((~a3~0.base Int)) (let ((.cse9 (select (select .cse11 ~a3~0.base) c_~a3~0.offset)) (.cse10 (select (select .cse11 c_~a1~0.base) c_~a1~0.offset))) (or (<= (select .cse8 c_~a2~0.offset) .cse9) (= .cse10 .cse9) (< .cse9 .cse10)))) (not (= (select (select .cse12 c_~a1~0.base) .cse1) (select .cse8 .cse3))))))))))) is different from false [2022-11-16 17:10:50,495 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse4 (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse0 (select (select .cse4 ~a2~0.base) c_~a2~0.offset))) (or (not (= .cse0 (select (select .cse1 c_~a1~0.base) c_~a1~0.offset))) (forall ((~a3~0.base Int)) (let ((.cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)) (.cse3 (select (select .cse4 ~a3~0.base) c_~a3~0.offset))) (or (< .cse2 .cse3) (< .cse3 .cse0) (= .cse2 .cse3) (= .cse0 .cse3))))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse8 (store .cse9 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse5 (select (select .cse8 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse6 (select (select .cse8 ~a3~0.base) c_~a3~0.offset)) (.cse7 (select (select .cse8 c_~a1~0.base) c_~a1~0.offset))) (or (<= .cse5 .cse6) (= .cse7 .cse6) (< .cse6 .cse7)))) (not (= .cse5 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))))))))) is different from false [2022-11-16 17:10:50,545 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse3 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse2 (select (select .cse3 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse0 (select (select .cse3 c_~a1~0.base) c_~a1~0.offset)) (.cse1 (select (select .cse3 ~a3~0.base) c_~a3~0.offset))) (or (= .cse0 .cse1) (= .cse2 .cse1) (< .cse0 .cse1) (< .cse1 .cse2)))) (not (= .cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse9 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse8 (store .cse9 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse7 (select (select .cse8 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse6 (select (select .cse8 c_~a1~0.base) c_~a1~0.offset)) (.cse5 (select (select .cse8 ~a3~0.base) c_~a3~0.offset))) (or (< .cse5 .cse6) (= .cse6 .cse5) (<= .cse7 .cse5)))) (not (= .cse7 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))))))))) is different from false [2022-11-16 17:10:50,657 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse3 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse2 (select (select .cse3 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse1 (select (select .cse3 ~a3~0.base) |c_ULTIMATE.start_main_#t~ret24#1.offset|)) (.cse0 (select (select .cse3 c_~a1~0.base) c_~a1~0.offset))) (or (< .cse0 .cse1) (= .cse1 .cse2) (< .cse1 .cse2) (= .cse1 .cse0)))) (not (= .cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse9 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse8 (store .cse9 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse5 (select (select .cse8 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse6 (select (select .cse8 ~a3~0.base) |c_ULTIMATE.start_main_#t~ret24#1.offset|)) (.cse7 (select (select .cse8 c_~a1~0.base) c_~a1~0.offset))) (or (<= .cse5 .cse6) (< .cse6 .cse7) (= .cse6 .cse7)))) (not (= .cse5 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))))))))) is different from false [2022-11-16 17:10:50,708 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse3 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse2 (select (select .cse3 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse1 (select (select .cse3 c_~a1~0.base) c_~a1~0.offset)) (.cse0 (select (select .cse3 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (= .cse0 .cse1) (< .cse0 .cse1) (<= .cse2 .cse0)))) (not (= .cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse9 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse8 (store .cse9 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse6 (select (select .cse8 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse7 (select (select .cse8 c_~a1~0.base) c_~a1~0.offset)) (.cse5 (select (select .cse8 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (or (< .cse5 .cse6) (= .cse5 .cse7) (= .cse6 .cse5) (< .cse7 .cse5)))) (not (= .cse6 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))))))))) is different from false [2022-11-16 17:10:50,735 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse3 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse2 (select (select .cse3 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse0 (select (select .cse3 c_~a1~0.base) c_~a1~0.offset)) (.cse1 (select (select .cse3 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (= .cse0 .cse1) (< .cse0 .cse1) (= .cse2 .cse1) (< .cse1 .cse2)))) (not (= .cse2 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (~a2~0.base Int)) (let ((.cse9 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse8 (store .cse9 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse7 (select (select .cse8 ~a2~0.base) c_~a2~0.offset))) (or (forall ((~a3~0.base Int)) (let ((.cse6 (select (select .cse8 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse5 (select (select .cse8 c_~a1~0.base) c_~a1~0.offset))) (or (= .cse5 .cse6) (<= .cse7 .cse6) (< .cse6 .cse5)))) (not (= .cse7 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))))))))) is different from false [2022-11-16 17:10:50,886 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (v_ArrVal_830 (Array Int Int)) (~a2~0.base Int)) (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_830) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse4 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse1 (select (select .cse4 ~a2~0.base) c_~a2~0.offset))) (or (not (= (select (select .cse0 c_~a1~0.base) c_~a1~0.offset) .cse1)) (forall ((~a3~0.base Int)) (let ((.cse3 (select (select .cse4 c_~a1~0.base) c_~a1~0.offset)) (.cse2 (select (select .cse4 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (< .cse2 .cse1) (= .cse3 .cse2) (< .cse3 .cse2) (= .cse2 .cse1))))))))) (forall ((v_ArrVal_832 (Array Int Int)) (v_ArrVal_831 (Array Int Int)) (v_ArrVal_833 (Array Int Int)) (v_ArrVal_830 (Array Int Int)) (~a2~0.base Int)) (let ((.cse5 (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_830) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_831) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_832))) (let ((.cse9 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_833))) (let ((.cse6 (select (select .cse9 ~a2~0.base) c_~a2~0.offset))) (or (not (= (select (select .cse5 c_~a1~0.base) c_~a1~0.offset) .cse6)) (forall ((~a3~0.base Int)) (let ((.cse8 (select (select .cse9 ~a3~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (select (select .cse9 c_~a1~0.base) c_~a1~0.offset))) (or (= .cse7 .cse8) (<= .cse6 .cse8) (< .cse8 .cse7)))))))))) is different from false [2022-11-16 17:11:00,451 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 17:11:00,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 324 treesize of output 216 [2022-11-16 17:11:00,918 INFO L321 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2022-11-16 17:11:00,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 133582795 treesize of output 131387342