/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-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 04:21:41,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 04:21:41,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 04:21:41,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 04:21:41,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 04:21:41,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 04:21:41,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 04:21:41,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 04:21:41,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 04:21:41,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 04:21:41,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 04:21:41,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 04:21:41,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 04:21:41,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 04:21:41,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 04:21:41,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 04:21:41,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 04:21:41,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 04:21:41,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 04:21:41,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 04:21:41,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 04:21:41,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 04:21:41,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 04:21:41,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 04:21:41,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 04:21:41,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 04:21:41,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 04:21:41,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 04:21:41,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 04:21:41,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 04:21:41,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 04:21:41,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 04:21:41,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 04:21:41,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 04:21:41,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 04:21:41,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 04:21:41,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 04:21:41,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 04:21:41,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 04:21:41,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 04:21:41,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 04:21:41,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 04:21:41,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 04:21:41,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 04:21:41,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 04:21:41,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 04:21:41,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 04:21:41,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 04:21:41,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 04:21:41,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 04:21:41,861 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 04:21:41,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 04:21:41,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 04:21:41,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 04:21:41,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 04:21:41,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 04:21:41,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 04:21:41,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 04:21:41,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 04:21:41,865 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 04:21:41,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 04:21:41,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 04:21:41,865 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 04:21:42,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 04:21:42,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 04:21:42,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 04:21:42,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 04:21:42,104 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 04:21:42,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2022-11-15 04:21:42,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7b07c38/6c71ce5f27d04a03af9d8929163faffe/FLAG8effad8f0 [2022-11-15 04:21:42,563 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 04:21:42,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2022-11-15 04:21:42,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7b07c38/6c71ce5f27d04a03af9d8929163faffe/FLAG8effad8f0 [2022-11-15 04:21:42,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7b07c38/6c71ce5f27d04a03af9d8929163faffe [2022-11-15 04:21:42,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 04:21:42,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 04:21:42,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 04:21:42,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 04:21:42,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 04:21:42,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c53d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42, skipping insertion in model container [2022-11-15 04:21:42,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 04:21:42,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 04:21:42,814 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/popl20-horseshoe.wvr.c[3424,3437] [2022-11-15 04:21:42,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 04:21:42,832 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 04:21:42,867 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/popl20-horseshoe.wvr.c[3424,3437] [2022-11-15 04:21:42,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 04:21:42,884 INFO L208 MainTranslator]: Completed translation [2022-11-15 04:21:42,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42 WrapperNode [2022-11-15 04:21:42,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 04:21:42,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 04:21:42,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 04:21:42,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 04:21:42,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,936 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 271 [2022-11-15 04:21:42,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 04:21:42,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 04:21:42,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 04:21:42,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 04:21:42,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 04:21:42,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 04:21:42,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 04:21:42,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 04:21:42,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (1/1) ... [2022-11-15 04:21:42,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 04:21:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:42,998 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) [2022-11-15 04:21:43,007 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 [2022-11-15 04:21:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 04:21:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 04:21:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 04:21:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 04:21:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 04:21:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 04:21:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 04:21:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 04:21:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 04:21:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 04:21:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 04:21:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 04:21:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 04:21:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 04:21:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 04:21:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 04:21:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 04:21:43,033 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 04:21:43,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 04:21:43,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 04:21:43,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 04:21:43,679 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 04:21:43,680 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-15 04:21:43,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:21:43 BoogieIcfgContainer [2022-11-15 04:21:43,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 04:21:43,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 04:21:43,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 04:21:43,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 04:21:43,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:21:42" (1/3) ... [2022-11-15 04:21:43,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0d61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:21:43, skipping insertion in model container [2022-11-15 04:21:43,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:21:42" (2/3) ... [2022-11-15 04:21:43,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0d61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:21:43, skipping insertion in model container [2022-11-15 04:21:43,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:21:43" (3/3) ... [2022-11-15 04:21:43,689 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2022-11-15 04:21:43,696 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 04:21:43,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 04:21:43,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-15 04:21:43,704 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 04:21:43,809 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 04:21:43,851 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:43,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:43,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:43,854 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) [2022-11-15 04:21:43,855 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 [2022-11-15 04:21:43,881 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:43,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:43,898 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:43,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:43,901 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:43,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:43,919 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:43,921 INFO L307 ceAbstractionStarter]: Result for error location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (1/47) [2022-11-15 04:21:43,928 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:43,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:43,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-15 04:21:43,939 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:43,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:43,941 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:43,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:43,941 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:43,942 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:43,943 INFO L307 ceAbstractionStarter]: Result for error location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (2/47) [2022-11-15 04:21:43,950 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:43,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:43,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:43,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-15 04:21:43,994 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:43,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:43,995 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:43,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:43,996 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:43,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:43,997 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:43,998 INFO L307 ceAbstractionStarter]: Result for error location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (3/47) [2022-11-15 04:21:44,003 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-15 04:21:44,016 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,018 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,018 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,020 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,020 INFO L307 ceAbstractionStarter]: Result for error location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (4/47) [2022-11-15 04:21:44,027 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-15 04:21:44,036 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,037 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,038 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,039 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,039 INFO L307 ceAbstractionStarter]: Result for error location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (5/47) [2022-11-15 04:21:44,055 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-11-15 04:21:44,067 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,068 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,068 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,069 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,069 INFO L307 ceAbstractionStarter]: Result for error location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (6/47) [2022-11-15 04:21:44,073 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,079 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-15 04:21:44,086 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,088 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,089 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,090 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,090 INFO L307 ceAbstractionStarter]: Result for error location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (7/47) [2022-11-15 04:21:44,093 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-11-15 04:21:44,105 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,106 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,106 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,107 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,107 INFO L307 ceAbstractionStarter]: Result for error location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (8/47) [2022-11-15 04:21:44,110 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,116 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2022-11-15 04:21:44,120 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,121 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,121 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,122 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,122 INFO L307 ceAbstractionStarter]: Result for error location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (9/47) [2022-11-15 04:21:44,125 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,131 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2022-11-15 04:21:44,137 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,138 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,138 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,139 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,139 INFO L307 ceAbstractionStarter]: Result for error location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (10/47) [2022-11-15 04:21:44,142 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,147 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2022-11-15 04:21:44,155 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,157 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,157 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,158 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,158 INFO L307 ceAbstractionStarter]: Result for error location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (11/47) [2022-11-15 04:21:44,161 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,174 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,180 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2022-11-15 04:21:44,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,182 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,182 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,183 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,183 INFO L307 ceAbstractionStarter]: Result for error location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (12/47) [2022-11-15 04:21:44,186 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,192 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2022-11-15 04:21:44,198 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,200 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,201 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,201 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,202 INFO L307 ceAbstractionStarter]: Result for error location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (13/47) [2022-11-15 04:21:44,206 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,210 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2022-11-15 04:21:44,217 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,218 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,219 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,219 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,220 INFO L307 ceAbstractionStarter]: Result for error location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (14/47) [2022-11-15 04:21:44,223 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,228 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,235 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,236 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,236 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,237 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,237 INFO L307 ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (15/47) [2022-11-15 04:21:44,240 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2022-11-15 04:21:44,245 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2022-11-15 04:21:44,253 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,254 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,254 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,255 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,255 INFO L307 ceAbstractionStarter]: Result for error location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (16/47) [2022-11-15 04:21:44,258 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,263 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,269 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,270 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,270 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,271 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2022-11-15 04:21:44,271 INFO L307 ceAbstractionStarter]: Result for error location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (17/47) [2022-11-15 04:21:44,274 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,279 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Waiting until timeout for monitored process [2022-11-15 04:21:44,282 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,285 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,285 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-15 04:21:44,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:44,286 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 04:21:44,286 INFO L307 ceAbstractionStarter]: Result for error location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (18/47) [2022-11-15 04:21:44,291 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:44,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:44,295 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:44,306 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:44,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:44,307 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:44,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:44,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2022-11-15 04:21:44,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:44,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:44,361 INFO L85 PathProgramCache]: Analyzing trace with hash 836456918, now seen corresponding path program 1 times [2022-11-15 04:21:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:44,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117773528] [2022-11-15 04:21:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:44,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:44,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117773528] [2022-11-15 04:21:44,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117773528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:44,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:44,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 04:21:44,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323323409] [2022-11-15 04:21:44,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:44,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 04:21:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 04:21:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 04:21:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:44,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2022-11-15 04:21:44,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 04:21:44,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:44,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1046920266, now seen corresponding path program 1 times [2022-11-15 04:21:44,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:44,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637612613] [2022-11-15 04:21:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:44,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:44,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:44,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637612613] [2022-11-15 04:21:44,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637612613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:44,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:44,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 04:21:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350418872] [2022-11-15 04:21:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:44,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 04:21:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 04:21:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 04:21:44,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:44,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-15 04:21:44,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:44,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 04:21:44,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:44,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1438837809, now seen corresponding path program 1 times [2022-11-15 04:21:44,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:44,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35711720] [2022-11-15 04:21:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:44,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:45,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:45,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35711720] [2022-11-15 04:21:45,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35711720] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:45,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200010291] [2022-11-15 04:21:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:45,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:45,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:45,090 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:45,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-15 04:21:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:45,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 04:21:45,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:45,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:21:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:45,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200010291] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:21:45,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:21:45,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-15 04:21:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183353722] [2022-11-15 04:21:45,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:21:45,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 04:21:45,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:45,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 04:21:45,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-15 04:21:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:45,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:45,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 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) [2022-11-15 04:21:45,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:45,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:45,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:45,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:45,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:45,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:45,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:45,759 INFO L85 PathProgramCache]: Analyzing trace with hash 518427638, now seen corresponding path program 2 times [2022-11-15 04:21:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:45,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129294632] [2022-11-15 04:21:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:46,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:46,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129294632] [2022-11-15 04:21:46,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129294632] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:46,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125349466] [2022-11-15 04:21:46,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 04:21:46,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:46,036 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:46,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-15 04:21:46,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-15 04:21:46,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:21:46,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-15 04:21:46,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 04:21:46,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:21:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 04:21:46,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125349466] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:21:46,419 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:21:46,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-11-15 04:21:46,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024856496] [2022-11-15 04:21:46,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:21:46,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 04:21:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:46,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 04:21:46,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-11-15 04:21:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:46,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:46,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.176470588235293) internal successors, (139), 18 states have internal predecessors, (139), 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) [2022-11-15 04:21:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:21:46,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:46,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:47,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:47,067 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-15 04:21:47,068 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (19/47) [2022-11-15 04:21:47,071 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:47,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:47,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:47,075 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:47,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (23)] Waiting until timeout for monitored process [2022-11-15 04:21:47,080 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:47,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:47,081 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:47,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:47,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,103 INFO L85 PathProgramCache]: Analyzing trace with hash 160361365, now seen corresponding path program 1 times [2022-11-15 04:21:47,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672897663] [2022-11-15 04:21:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672897663] [2022-11-15 04:21:47,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672897663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:47,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:47,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 04:21:47,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61219641] [2022-11-15 04:21:47,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:47,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 04:21:47,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:47,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 04:21:47,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 04:21:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:47,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2022-11-15 04:21:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 04:21:47,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1905210805, now seen corresponding path program 1 times [2022-11-15 04:21:47,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464524002] [2022-11-15 04:21:47,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464524002] [2022-11-15 04:21:47,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464524002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:47,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:47,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 04:21:47,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960257118] [2022-11-15 04:21:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:47,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 04:21:47,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:47,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 04:21:47,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 04:21:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:47,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-11-15 04:21:47,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:47,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 04:21:47,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1654298436, now seen corresponding path program 1 times [2022-11-15 04:21:47,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757448431] [2022-11-15 04:21:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757448431] [2022-11-15 04:21:47,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757448431] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:47,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254803187] [2022-11-15 04:21:47,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:47,295 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:47,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-15 04:21:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 04:21:47,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 04:21:47,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254803187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:47,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 04:21:47,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-15 04:21:47,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778023645] [2022-11-15 04:21:47,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:47,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 04:21:47,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:47,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 04:21:47,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-15 04:21:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:47,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-11-15 04:21:47,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:47,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:47,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:47,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:47,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:47,689 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-15 04:21:47,689 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (20/47) [2022-11-15 04:21:47,692 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:47,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:47,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:47,694 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:47,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Waiting until timeout for monitored process [2022-11-15 04:21:47,700 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:47,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:47,700 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:47,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:47,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,727 INFO L85 PathProgramCache]: Analyzing trace with hash -832987981, now seen corresponding path program 1 times [2022-11-15 04:21:47,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366666014] [2022-11-15 04:21:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366666014] [2022-11-15 04:21:47,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366666014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:47,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:47,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 04:21:47,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344695822] [2022-11-15 04:21:47,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:47,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 04:21:47,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:47,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 04:21:47,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 04:21:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:47,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2022-11-15 04:21:47,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 04:21:47,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1710128256, now seen corresponding path program 1 times [2022-11-15 04:21:47,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219715977] [2022-11-15 04:21:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219715977] [2022-11-15 04:21:47,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219715977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:47,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:47,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 04:21:47,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405724863] [2022-11-15 04:21:47,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:47,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 04:21:47,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 04:21:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 04:21:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:47,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 04:21:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:47,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 04:21:47,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:47,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1785513702, now seen corresponding path program 1 times [2022-11-15 04:21:47,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:47,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693567082] [2022-11-15 04:21:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:47,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:47,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693567082] [2022-11-15 04:21:47,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693567082] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:47,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341454474] [2022-11-15 04:21:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:47,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:47,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:47,943 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:47,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-15 04:21:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:48,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 04:21:48,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:48,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:21:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:48,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341454474] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:21:48,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:21:48,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-15 04:21:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638175536] [2022-11-15 04:21:48,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:21:48,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 04:21:48,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:48,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 04:21:48,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-15 04:21:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:48,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.636363636363637) internal successors, (128), 12 states have internal predecessors, (128), 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) [2022-11-15 04:21:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:48,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:48,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:48,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-15 04:21:48,445 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash -295749376, now seen corresponding path program 2 times [2022-11-15 04:21:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:48,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430839397] [2022-11-15 04:21:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:48,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:48,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430839397] [2022-11-15 04:21:48,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430839397] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:48,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651295984] [2022-11-15 04:21:48,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 04:21:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:48,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:48,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-15 04:21:48,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-15 04:21:48,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:21:48,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-15 04:21:48,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 04:21:48,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:21:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-15 04:21:48,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651295984] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:21:48,962 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:21:48,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-11-15 04:21:48,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119377086] [2022-11-15 04:21:48,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:21:48,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 04:21:48,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:48,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 04:21:48,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-11-15 04:21:48,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:48,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.941176470588236) internal successors, (169), 18 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) [2022-11-15 04:21:48,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:48,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:48,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:48,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 04:21:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-11-15 04:21:49,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:49,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:50,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-15 04:21:50,098 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-15 04:21:50,099 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (21/47) [2022-11-15 04:21:50,101 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:50,103 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:50,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process [2022-11-15 04:21:50,108 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:50,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:50,109 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:50,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:50,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -52822929, now seen corresponding path program 1 times [2022-11-15 04:21:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:50,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060276480] [2022-11-15 04:21:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:50,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:50,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060276480] [2022-11-15 04:21:50,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060276480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:50,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:50,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 04:21:50,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929294159] [2022-11-15 04:21:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:50,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 04:21:50,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:50,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 04:21:50,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 04:21:50,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:50,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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) [2022-11-15 04:21:50,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-15 04:21:50,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1474367678, now seen corresponding path program 1 times [2022-11-15 04:21:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:50,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060197916] [2022-11-15 04:21:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:50,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:50,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060197916] [2022-11-15 04:21:50,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060197916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:50,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:50,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 04:21:50,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861987246] [2022-11-15 04:21:50,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:50,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 04:21:50,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:50,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 04:21:50,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 04:21:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:50,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-11-15 04:21:50,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:50,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-15 04:21:50,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:50,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash -483649380, now seen corresponding path program 1 times [2022-11-15 04:21:50,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:50,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535874905] [2022-11-15 04:21:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:50,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535874905] [2022-11-15 04:21:50,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535874905] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181257929] [2022-11-15 04:21:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:50,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:50,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:50,335 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:50,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-15 04:21:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:50,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 04:21:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:50,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 04:21:50,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181257929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:50,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 04:21:50,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-15 04:21:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222617569] [2022-11-15 04:21:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:50,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 04:21:50,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 04:21:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-15 04:21:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:50,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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) [2022-11-15 04:21:50,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:50,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 04:21:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:50,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 04:21:50,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:50,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:50,755 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-15 04:21:50,755 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (22/47) [2022-11-15 04:21:50,757 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 04:21:50,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 04:21:50,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:50,760 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 04:21:50,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (30)] Waiting until timeout for monitored process [2022-11-15 04:21:50,765 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 04:21:50,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 04:21:50,766 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;@6cc12d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 04:21:50,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 04:21:50,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 680639735, now seen corresponding path program 1 times [2022-11-15 04:21:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:50,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095502082] [2022-11-15 04:21:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:51,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:51,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095502082] [2022-11-15 04:21:51,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095502082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:51,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:51,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 04:21:51,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572251485] [2022-11-15 04:21:51,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:51,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 04:21:51,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:51,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 04:21:51,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 04:21:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:51,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 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) [2022-11-15 04:21:51,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-15 04:21:51,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:51,088 INFO L85 PathProgramCache]: Analyzing trace with hash 362205537, now seen corresponding path program 1 times [2022-11-15 04:21:51,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:51,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466478804] [2022-11-15 04:21:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:51,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 04:21:51,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:51,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466478804] [2022-11-15 04:21:51,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466478804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:51,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:51,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 04:21:51,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141852335] [2022-11-15 04:21:51,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:51,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 04:21:51,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:51,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 04:21:51,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-15 04:21:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:51,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 04:21:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:51,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-15 04:21:51,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:51,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:51,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1013104519, now seen corresponding path program 1 times [2022-11-15 04:21:51,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:51,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847688138] [2022-11-15 04:21:51,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:51,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-15 04:21:51,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:51,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847688138] [2022-11-15 04:21:51,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847688138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:51,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:51,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 04:21:51,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489271207] [2022-11-15 04:21:51,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:51,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 04:21:51,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:51,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 04:21:51,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 04:21:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:51,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2022-11-15 04:21:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:51,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:51,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-15 04:21:51,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:51,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:51,796 INFO L85 PathProgramCache]: Analyzing trace with hash 886169472, now seen corresponding path program 1 times [2022-11-15 04:21:51,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:51,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989992766] [2022-11-15 04:21:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:51,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-15 04:21:51,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:51,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989992766] [2022-11-15 04:21:51,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989992766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:51,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 04:21:51,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 04:21:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030980999] [2022-11-15 04:21:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:51,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 04:21:51,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:51,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 04:21:51,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 04:21:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:51,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 04:21:51,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:51,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:51,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:51,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:52,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-15 04:21:52,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:52,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1160641492, now seen corresponding path program 1 times [2022-11-15 04:21:52,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:52,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013389503] [2022-11-15 04:21:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 04:21:52,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:52,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013389503] [2022-11-15 04:21:52,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013389503] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:52,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919461264] [2022-11-15 04:21:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:52,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:52,824 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:52,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-15 04:21:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:52,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 04:21:52,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 04:21:53,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:21:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 04:21:54,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919461264] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:21:54,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:21:54,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2022-11-15 04:21:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533845743] [2022-11-15 04:21:54,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:21:54,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-15 04:21:54,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-15 04:21:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-11-15 04:21:54,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:54,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:54,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 18.59090909090909) internal successors, (409), 22 states have internal predecessors, (409), 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) [2022-11-15 04:21:54,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:54,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:21:56,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:56,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:56,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:56,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:56,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1193572847, now seen corresponding path program 1 times [2022-11-15 04:21:56,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:56,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726759743] [2022-11-15 04:21:56,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-15 04:21:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:21:56,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726759743] [2022-11-15 04:21:56,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726759743] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:21:56,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256473849] [2022-11-15 04:21:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:56,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:56,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:21:56,981 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:21:56,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-11-15 04:21:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:21:57,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 04:21:57,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:21:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-15 04:21:57,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 04:21:57,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256473849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 04:21:57,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 04:21:57,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-11-15 04:21:57,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972783166] [2022-11-15 04:21:57,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 04:21:57,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 04:21:57,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:21:57,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 04:21:57,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-15 04:21:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:57,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:21:57,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 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) [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:21:57,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:21:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:21:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:21:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:21:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:21:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:21:59,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-11-15 04:21:59,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:21:59,916 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:21:59,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:21:59,917 INFO L85 PathProgramCache]: Analyzing trace with hash -98491694, now seen corresponding path program 1 times [2022-11-15 04:21:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:21:59,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031502609] [2022-11-15 04:21:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:21:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:21:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:22:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 04:22:00,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:22:00,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031502609] [2022-11-15 04:22:00,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031502609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:22:00,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760560505] [2022-11-15 04:22:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:22:00,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:22:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:22:00,215 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:22:00,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-11-15 04:22:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:22:00,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 04:22:00,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:22:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 04:22:00,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:22:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-15 04:22:00,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760560505] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:22:00,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:22:00,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 04:22:00,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298159234] [2022-11-15 04:22:00,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:22:00,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 04:22:00,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:22:00,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 04:22:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 04:22:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:00,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:22:00,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.578947368421053) internal successors, (239), 19 states have internal predecessors, (239), 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) [2022-11-15 04:22:00,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:22:00,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:22:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:22:03,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-11-15 04:22:03,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:22:03,618 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:22:03,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:22:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2094016597, now seen corresponding path program 2 times [2022-11-15 04:22:03,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:22:03,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570845525] [2022-11-15 04:22:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:22:03,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:22:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:22:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:22:05,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:22:05,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570845525] [2022-11-15 04:22:05,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570845525] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:22:05,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010268193] [2022-11-15 04:22:05,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 04:22:05,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:22:05,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:22:05,429 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:22:05,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-11-15 04:22:05,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 04:22:05,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:22:05,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-15 04:22:05,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:22:06,926 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 15 treesize of output 11 [2022-11-15 04:22:07,474 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 [2022-11-15 04:22:07,569 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 [2022-11-15 04:22:07,642 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 [2022-11-15 04:22:08,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2022-11-15 04:22:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:22:08,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:22:15,864 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 04:22:15,865 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 69 treesize of output 57 [2022-11-15 04:22:15,896 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-15 04:22:15,896 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 659 treesize of output 630 [2022-11-15 04:22:15,927 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-15 04:22:15,927 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 623 treesize of output 567 [2022-11-15 04:22:15,951 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-15 04:22:15,951 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 567 treesize of output 455 [2022-11-15 04:22:15,974 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-15 04:22:15,974 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 241 treesize of output 213 [2022-11-15 04:22:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:22:19,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010268193] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:22:19,710 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:22:19,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 33, 30] total 85 [2022-11-15 04:22:19,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586002358] [2022-11-15 04:22:19,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:22:19,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-11-15 04:22:19,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:22:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-11-15 04:22:19,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=915, Invalid=6339, Unknown=56, NotChecked=0, Total=7310 [2022-11-15 04:22:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:19,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:22:19,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 6.576470588235294) internal successors, (559), 86 states have internal predecessors, (559), 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) [2022-11-15 04:22:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:22:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:22:19,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:23:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-11-15 04:23:30,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-11-15 04:23:30,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-15 04:23:30,540 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:23:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:23:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1792142300, now seen corresponding path program 3 times [2022-11-15 04:23:30,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:23:30,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858244533] [2022-11-15 04:23:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:23:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:23:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:23:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 23 proven. 45 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-15 04:23:31,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:23:31,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858244533] [2022-11-15 04:23:31,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858244533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:23:31,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880088142] [2022-11-15 04:23:31,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 04:23:31,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:23:31,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:23:31,182 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:23:31,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-11-15 04:23:31,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 04:23:31,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:23:31,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-15 04:23:31,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:23:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 57 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-15 04:23:32,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:23:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-15 04:23:33,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880088142] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:23:33,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:23:33,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-11-15 04:23:33,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941496246] [2022-11-15 04:23:33,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:23:33,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-15 04:23:33,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:23:33,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-15 04:23:33,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-11-15 04:23:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:33,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:23:33,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.642857142857142) internal successors, (298), 28 states have internal predecessors, (298), 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) [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-11-15 04:23:33,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:23:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-11-15 04:23:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:23:42,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-11-15 04:23:42,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:23:42,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:23:42,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:23:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash 841176987, now seen corresponding path program 4 times [2022-11-15 04:23:42,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:23:42,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868723951] [2022-11-15 04:23:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:23:42,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:23:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:23:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:23:44,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:23:44,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868723951] [2022-11-15 04:23:44,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868723951] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:23:44,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480513571] [2022-11-15 04:23:44,861 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 04:23:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:23:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:23:44,863 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:23:44,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-15 04:23:44,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 04:23:44,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:23:45,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-15 04:23:45,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:23:47,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2022-11-15 04:23:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 04:23:48,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:23:48,668 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 04:23:48,668 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 28 treesize of output 24 [2022-11-15 04:23:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:23:50,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480513571] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:23:50,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:23:50,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 15] total 51 [2022-11-15 04:23:50,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477175404] [2022-11-15 04:23:50,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:23:50,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-11-15 04:23:50,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:23:50,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-11-15 04:23:50,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=2364, Unknown=0, NotChecked=0, Total=2652 [2022-11-15 04:23:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:50,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:23:50,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 11.137254901960784) internal successors, (568), 52 states have internal predecessors, (568), 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) [2022-11-15 04:23:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:23:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:24:17,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-11-15 04:24:17,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-15 04:24:17,768 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:24:17,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:24:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1865406921, now seen corresponding path program 5 times [2022-11-15 04:24:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:24:17,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46475425] [2022-11-15 04:24:17,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:24:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:24:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:24:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-15 04:24:18,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:24:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46475425] [2022-11-15 04:24:18,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46475425] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:24:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802822674] [2022-11-15 04:24:18,536 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 04:24:18,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:24:18,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:24:18,537 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:24:18,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-11-15 04:24:18,700 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-15 04:24:18,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:24:18,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 04:24:18,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:24:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-15 04:24:19,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:24:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-15 04:24:20,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802822674] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:24:20,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:24:20,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 7] total 19 [2022-11-15 04:24:20,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199388228] [2022-11-15 04:24:20,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:24:20,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 04:24:20,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:24:20,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 04:24:20,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-11-15 04:24:20,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:20,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:24:20,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 24.05263157894737) internal successors, (457), 19 states have internal predecessors, (457), 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) [2022-11-15 04:24:20,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:20,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:24:20,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:24:20,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:24:20,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:24:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-11-15 04:24:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:24:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:33,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-11-15 04:24:33,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:24:33,883 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:24:33,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:24:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1971223429, now seen corresponding path program 6 times [2022-11-15 04:24:33,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:24:33,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786294753] [2022-11-15 04:24:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:24:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:24:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:24:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:24:36,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:24:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786294753] [2022-11-15 04:24:36,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786294753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:24:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371157485] [2022-11-15 04:24:36,553 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 04:24:36,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:24:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:24:36,555 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:24:36,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-15 04:24:36,698 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-15 04:24:36,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 04:24:36,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-15 04:24:36,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:24:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 04:24:41,234 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 [2022-11-15 04:24:41,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-15 04:24:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:24:41,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:24:42,523 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 04:24:42,523 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 47 treesize of output 43 [2022-11-15 04:24:42,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2022-11-15 04:24:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 04:24:47,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371157485] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:24:47,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:24:47,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25, 25] total 72 [2022-11-15 04:24:47,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873303494] [2022-11-15 04:24:47,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:24:47,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-15 04:24:47,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:24:47,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-15 04:24:47,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=4689, Unknown=3, NotChecked=0, Total=5256 [2022-11-15 04:24:47,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:47,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:24:47,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 72 states have (on average 7.763888888888889) internal successors, (559), 73 states have internal predecessors, (559), 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) [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:24:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-11-15 04:24:47,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:47,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:24:47,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:24:47,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:25:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:25:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:25:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 04:25:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-15 04:25:41,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-11-15 04:25:41,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-15 04:25:41,691 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 04:25:41,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 04:25:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash -834918174, now seen corresponding path program 7 times [2022-11-15 04:25:41,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 04:25:41,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362570252] [2022-11-15 04:25:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 04:25:41,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 04:25:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:25:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-15 04:25:42,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 04:25:42,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362570252] [2022-11-15 04:25:42,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362570252] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 04:25:42,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977840863] [2022-11-15 04:25:42,352 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 04:25:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 04:25:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 04:25:42,354 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 04:25:42,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-11-15 04:25:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 04:25:42,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 04:25:42,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 04:25:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-15 04:25:43,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 04:25:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-15 04:25:44,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977840863] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 04:25:44,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 04:25:44,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 7] total 21 [2022-11-15 04:25:44,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413844713] [2022-11-15 04:25:44,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 04:25:44,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-15 04:25:44,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 04:25:44,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-15 04:25:44,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-11-15 04:25:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:25:44,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 04:25:44,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 22.904761904761905) internal successors, (481), 21 states have internal predecessors, (481), 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) [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-15 04:25:44,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.