/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 20:02:10,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 20:02:10,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 20:02:10,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 20:02:10,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 20:02:10,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 20:02:10,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 20:02:10,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 20:02:10,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 20:02:10,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 20:02:10,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 20:02:10,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 20:02:10,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 20:02:10,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 20:02:10,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 20:02:10,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 20:02:10,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 20:02:10,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 20:02:10,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 20:02:10,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 20:02:10,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 20:02:10,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 20:02:10,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 20:02:10,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 20:02:10,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 20:02:10,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 20:02:10,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 20:02:10,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 20:02:10,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 20:02:10,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-14 20:02:10,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 20:02:10,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 20:02:10,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 20:02:10,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 20:02:10,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 20:02:10,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 20:02:10,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 20:02:10,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 20:02:10,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 20:02:10,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 20:02:10,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 20:02:10,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 20:02:10,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 20:02:10,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 20:02:10,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 20:02:10,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 20:02:10,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 20:02:10,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 20:02:10,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 20:02:10,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 20:02:10,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 20:02:10,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 20:02:10,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2022-11-14 20:02:10,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da47d7b38/808df1e074874a6faa54967d34cc6693/FLAGb07cb4741 [2022-11-14 20:02:10,903 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 20:02:10,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2022-11-14 20:02:10,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da47d7b38/808df1e074874a6faa54967d34cc6693/FLAGb07cb4741 [2022-11-14 20:02:10,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da47d7b38/808df1e074874a6faa54967d34cc6693 [2022-11-14 20:02:10,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 20:02:10,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 20:02:10,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 20:02:10,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 20:02:10,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 20:02:10,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:02:10" (1/1) ... [2022-11-14 20:02:10,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5850e43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:10, skipping insertion in model container [2022-11-14 20:02:10,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:02:10" (1/1) ... [2022-11-14 20:02:10,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 20:02:10,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 20:02:11,418 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2022-11-14 20:02:11,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 20:02:11,457 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 20:02:11,489 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2022-11-14 20:02:11,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 20:02:11,540 INFO L208 MainTranslator]: Completed translation [2022-11-14 20:02:11,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11 WrapperNode [2022-11-14 20:02:11,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 20:02:11,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 20:02:11,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 20:02:11,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 20:02:11,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,579 INFO L138 Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 248 [2022-11-14 20:02:11,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 20:02:11,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 20:02:11,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 20:02:11,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 20:02:11,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 20:02:11,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 20:02:11,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 20:02:11,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 20:02:11,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (1/1) ... [2022-11-14 20:02:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 20:02:11,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:02:11,643 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) [2022-11-14 20:02:11,645 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 [2022-11-14 20:02:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 20:02:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-14 20:02:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 20:02:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-14 20:02:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-14 20:02:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-14 20:02:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 20:02:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 20:02:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 20:02:11,679 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 20:02:11,847 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 20:02:11,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 20:02:12,242 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 20:02:12,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 20:02:12,249 INFO L300 CfgBuilder]: Removed 23 assume(true) statements. [2022-11-14 20:02:12,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:02:12 BoogieIcfgContainer [2022-11-14 20:02:12,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 20:02:12,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 20:02:12,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 20:02:12,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 20:02:12,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:02:10" (1/3) ... [2022-11-14 20:02:12,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1d208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:02:12, skipping insertion in model container [2022-11-14 20:02:12,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:02:11" (2/3) ... [2022-11-14 20:02:12,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1d208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:02:12, skipping insertion in model container [2022-11-14 20:02:12,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:02:12" (3/3) ... [2022-11-14 20:02:12,256 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2022-11-14 20:02:12,262 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 20:02:12,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 20:02:12,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-14 20:02:12,269 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 20:02:12,332 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-14 20:02:12,369 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:02:12,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 20:02:12,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:02:12,371 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) [2022-11-14 20:02:12,372 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 [2022-11-14 20:02:12,419 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 20:02:12,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-14 20:02:12,432 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;@272c4e6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:02:12,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-14 20:02:16,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:02:16,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:02:16,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1734258203, now seen corresponding path program 1 times [2022-11-14 20:02:16,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:02:16,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221919804] [2022-11-14 20:02:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:02:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:02:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:02:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:02:18,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:02:18,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221919804] [2022-11-14 20:02:18,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221919804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:02:18,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:02:18,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-14 20:02:18,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259144841] [2022-11-14 20:02:18,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:02:18,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-14 20:02:18,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:02:18,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-14 20:02:18,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2022-11-14 20:02:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:18,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:02:18,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.875) internal successors, (93), 25 states have internal predecessors, (93), 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) [2022-11-14 20:02:18,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-14 20:02:20,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 20:02:20,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:02:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:02:20,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2072569791, now seen corresponding path program 1 times [2022-11-14 20:02:20,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:02:20,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307532194] [2022-11-14 20:02:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:02:20,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:02:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:02:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:02:21,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:02:21,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307532194] [2022-11-14 20:02:21,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307532194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:02:21,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:02:21,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-14 20:02:21,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720202085] [2022-11-14 20:02:21,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:02:21,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-14 20:02:21,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:02:21,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-14 20:02:21,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2022-11-14 20:02:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:21,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:02:21,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 25 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) [2022-11-14 20:02:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-14 20:02:21,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:02:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-14 20:02:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 20:02:23,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:02:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:02:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2059034608, now seen corresponding path program 1 times [2022-11-14 20:02:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:02:23,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116322549] [2022-11-14 20:02:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:02:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:02:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:02:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:02:23,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:02:23,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116322549] [2022-11-14 20:02:23,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116322549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:02:23,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:02:23,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-14 20:02:23,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768504076] [2022-11-14 20:02:23,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:02:23,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-14 20:02:23,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:02:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-14 20:02:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-14 20:02:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:23,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:02:23,761 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) [2022-11-14 20:02:23,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:02:23,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-14 20:02:23,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:02:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-14 20:02:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-14 20:02:23,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 20:02:23,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:02:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:02:23,824 INFO L85 PathProgramCache]: Analyzing trace with hash -594435822, now seen corresponding path program 1 times [2022-11-14 20:02:23,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:02:23,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111139410] [2022-11-14 20:02:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:02:23,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:02:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:02:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:02:24,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:02:24,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111139410] [2022-11-14 20:02:24,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111139410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:02:24,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:02:24,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-11-14 20:02:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024835104] [2022-11-14 20:02:24,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:02:24,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-14 20:02:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:02:24,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-14 20:02:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2022-11-14 20:02:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:02:24,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:02:24,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 24 states have internal predecessors, (105), 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) [2022-11-14 20:02:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:02:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-14 20:02:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-14 20:02:24,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:12,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 20:03:12,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:03:12,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash -981945209, now seen corresponding path program 1 times [2022-11-14 20:03:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:12,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828845547] [2022-11-14 20:03:12,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:12,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:12,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828845547] [2022-11-14 20:03:12,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828845547] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:03:12,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613659160] [2022-11-14 20:03:12,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:12,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:12,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:12,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:03:12,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-14 20:03:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:12,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-14 20:03:12,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:03:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:12,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:03:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:13,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613659160] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:03:13,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:03:13,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-14 20:03:13,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498209085] [2022-11-14 20:03:13,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:03:13,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-14 20:03:13,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:13,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-14 20:03:13,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-14 20:03:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:13,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:13,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 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) [2022-11-14 20:03:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:14,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:14,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-14 20:03:14,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:14,451 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:03:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1880379462, now seen corresponding path program 1 times [2022-11-14 20:03:14,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:14,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394168687] [2022-11-14 20:03:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:14,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:14,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394168687] [2022-11-14 20:03:14,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394168687] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:03:14,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220600342] [2022-11-14 20:03:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:14,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:14,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:14,682 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:03:14,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-14 20:03:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:14,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-14 20:03:14,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:03:14,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-14 20:03:14,860 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-14 20:03:14,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-14 20:03:14,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:03:14,951 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 14 treesize of output 16 [2022-11-14 20:03:14,958 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 15 treesize of output 7 [2022-11-14 20:03:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:14,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:03:14,987 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_588 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_588) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:03:15,034 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:03:15,034 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 18 treesize of output 19 [2022-11-14 20:03:15,038 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 32 treesize of output 24 [2022-11-14 20:03:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-14 20:03:15,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220600342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:03:15,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:03:15,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2022-11-14 20:03:15,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385548931] [2022-11-14 20:03:15,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:03:15,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-14 20:03:15,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-14 20:03:15,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=174, Unknown=1, NotChecked=26, Total=240 [2022-11-14 20:03:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:15,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:15,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.8) internal successors, (147), 16 states have internal predecessors, (147), 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) [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:03:16,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-14 20:03:16,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:16,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:03:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1837778052, now seen corresponding path program 1 times [2022-11-14 20:03:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:16,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709432558] [2022-11-14 20:03:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:17,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:17,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709432558] [2022-11-14 20:03:17,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709432558] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:03:17,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129842547] [2022-11-14 20:03:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:17,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:17,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:03:17,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-14 20:03:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:17,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-14 20:03:17,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:03:17,898 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:03:17,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:03:17,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:03:17,955 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 16 treesize of output 8 [2022-11-14 20:03:18,046 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-14 20:03:18,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-14 20:03:18,138 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-14 20:03:18,139 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 15 treesize of output 15 [2022-11-14 20:03:18,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:03:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:18,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:03:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:18,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:03:18,732 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 14 treesize of output 16 [2022-11-14 20:03:18,927 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 28 treesize of output 16 [2022-11-14 20:03:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:19,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:03:19,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:03:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:19,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:03:19,164 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_758 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_758) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:03:19,210 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_758 (Array Int Int)) (v_ArrVal_756 Int)) (or (not (<= (+ |c_t_funThread1of1ForFork0_#t~post38#1| 1) v_ArrVal_756)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset| v_ArrVal_756)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_758) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648)))) is different from false [2022-11-14 20:03:19,224 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_758 (Array Int Int)) (v_ArrVal_756 Int)) (or (< v_ArrVal_756 (+ |c_t_funThread1of1ForFork0_#t~mem37#1| 1)) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset| v_ArrVal_756)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_758) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648)))) is different from false [2022-11-14 20:03:19,230 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_758 (Array Int Int)) (v_ArrVal_756 Int)) (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_~p~0#1.base| (store .cse0 |c_t_funThread1of1ForFork0_~p~0#1.offset| v_ArrVal_756)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_758) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_756 (+ (select .cse0 |c_t_funThread1of1ForFork0_~p~0#1.offset|) 1))))) is different from false [2022-11-14 20:03:19,279 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_755 (Array Int Int)) (v_ArrVal_758 (Array Int Int)) (v_ArrVal_756 Int)) (let ((.cse0 (store |c_#memory_int| |c_t_funThread1of1ForFork0_insert_~list#1.base| v_ArrVal_755))) (let ((.cse1 (select .cse0 |c_t_funThread1of1ForFork0_~p~0#1.base|))) (or (< 0 (+ (select (select (store (store .cse0 |c_t_funThread1of1ForFork0_~p~0#1.base| (store .cse1 |c_t_funThread1of1ForFork0_~p~0#1.offset| v_ArrVal_756)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_758) |c_t_funThread1of1ForFork0_~p~0#1.base|) |c_t_funThread1of1ForFork0_~p~0#1.offset|) 2147483648)) (< v_ArrVal_756 (+ (select .cse1 |c_t_funThread1of1ForFork0_~p~0#1.offset|) 1)))))) is different from false [2022-11-14 20:03:21,150 INFO L321 Elim1Store]: treesize reduction 34, result has 60.0 percent of original size [2022-11-14 20:03:21,150 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 3 case distinctions, treesize of input 147 treesize of output 89 [2022-11-14 20:03:21,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:03:21,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 129 [2022-11-14 20:03:21,179 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 9 [2022-11-14 20:03:21,185 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 54 treesize of output 50 [2022-11-14 20:03:26,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-14 20:03:26,205 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-14 20:03:26,205 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 13 treesize of output 12 [2022-11-14 20:03:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-14 20:03:26,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129842547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:03:26,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:03:26,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 22] total 68 [2022-11-14 20:03:26,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825051605] [2022-11-14 20:03:26,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:03:26,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-14 20:03:26,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:26,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-14 20:03:26,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=3738, Unknown=8, NotChecked=640, Total=4692 [2022-11-14 20:03:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:26,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:26,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 68 states have (on average 4.367647058823529) internal successors, (297), 69 states have internal predecessors, (297), 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) [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:26,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:03:26,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-14 20:03:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:03:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-14 20:03:37,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-14 20:03:38,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:38,087 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:03:38,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1245679561, now seen corresponding path program 1 times [2022-11-14 20:03:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:38,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899024945] [2022-11-14 20:03:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:38,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:38,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899024945] [2022-11-14 20:03:38,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899024945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:03:38,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915112895] [2022-11-14 20:03:38,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:38,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:38,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:38,987 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:03:38,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-14 20:03:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:39,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-14 20:03:39,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:03:39,186 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:03:39,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:03:39,227 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-14 20:03:39,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-14 20:03:39,283 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-14 20:03:39,283 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 15 treesize of output 15 [2022-11-14 20:03:39,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:03:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:39,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:03:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:39,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:03:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:03:39,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:03:39,881 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 14 treesize of output 16 [2022-11-14 20:03:39,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:03:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:39,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:03:44,487 INFO L321 Elim1Store]: treesize reduction 34, result has 60.0 percent of original size [2022-11-14 20:03:44,487 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 3 case distinctions, treesize of input 49 treesize of output 64 [2022-11-14 20:03:44,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:03:44,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 160 [2022-11-14 20:03:44,507 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 106 treesize of output 102 [2022-11-14 20:03:44,511 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 102 treesize of output 94 [2022-11-14 20:03:46,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-14 20:03:46,255 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-14 20:03:46,256 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 13 treesize of output 12 [2022-11-14 20:03:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:46,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915112895] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:03:46,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:03:46,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19, 19] total 54 [2022-11-14 20:03:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628161287] [2022-11-14 20:03:46,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:03:46,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-14 20:03:46,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-14 20:03:46,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=2672, Unknown=32, NotChecked=0, Total=2970 [2022-11-14 20:03:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:46,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:46,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 4.722222222222222) internal successors, (255), 55 states have internal predecessors, (255), 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) [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-14 20:03:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:03:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:03:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-14 20:03:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-14 20:03:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-14 20:03:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:03:52,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-14 20:03:52,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-14 20:03:52,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-14 20:03:52,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-14 20:03:52,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-14 20:03:53,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:53,027 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-14 20:03:53,028 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2022-11-14 20:03:53,032 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:03:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 20:03:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:53,033 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) [2022-11-14 20:03:53,035 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 [2022-11-14 20:03:53,041 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 20:03:53,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 20:03:53,042 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;@272c4e6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:03:53,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-14 20:03:53,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-14 20:03:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:53,045 INFO L85 PathProgramCache]: Analyzing trace with hash 111976375, now seen corresponding path program 1 times [2022-11-14 20:03:53,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:53,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218424874] [2022-11-14 20:03:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:53,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:53,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218424874] [2022-11-14 20:03:53,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218424874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:03:53,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:03:53,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 20:03:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528278457] [2022-11-14 20:03:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:03:53,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-14 20:03:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-14 20:03:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-14 20:03:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:53,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 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) [2022-11-14 20:03:53,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 20:03:53,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-14 20:03:53,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 236049622, now seen corresponding path program 1 times [2022-11-14 20:03:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33324825] [2022-11-14 20:03:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:53,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:53,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33324825] [2022-11-14 20:03:53,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33324825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:03:53,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:03:53,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 20:03:53,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94545022] [2022-11-14 20:03:53,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:03:53,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 20:03:53,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:53,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 20:03:53,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 20:03:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:53,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:03:53,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 20:03:53,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 20:03:53,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-14 20:03:53,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash -188441723, now seen corresponding path program 1 times [2022-11-14 20:03:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:53,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248512789] [2022-11-14 20:03:53,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:53,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:53,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:53,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248512789] [2022-11-14 20:03:53,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248512789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:03:53,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:03:53,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 20:03:53,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437569804] [2022-11-14 20:03:53,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:03:53,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 20:03:53,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:53,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 20:03:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 20:03:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:53,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-14 20:03:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 20:03:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 20:03:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 20:03:57,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 20:03:57,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-14 20:03:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:57,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1956757914, now seen corresponding path program 1 times [2022-11-14 20:03:57,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:57,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649836475] [2022-11-14 20:03:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:57,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:57,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:03:57,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649836475] [2022-11-14 20:03:57,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649836475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:03:57,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190976227] [2022-11-14 20:03:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:57,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:57,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:03:57,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-14 20:03:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:03:57,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-14 20:03:57,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:03:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:57,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:03:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:03:57,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190976227] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:03:57,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:03:57,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-14 20:03:57,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529986623] [2022-11-14 20:03:57,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:03:57,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-14 20:03:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:03:57,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-14 20:03:57,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-14 20:03:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:57,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:03:57,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.9) internal successors, (189), 10 states have internal predecessors, (189), 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) [2022-11-14 20:03:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 20:03:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 20:03:57,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:03:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 20:03:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 20:03:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:03:58,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-14 20:03:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:03:58,980 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-14 20:03:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:03:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1178397513, now seen corresponding path program 1 times [2022-11-14 20:03:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:03:58,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415112725] [2022-11-14 20:03:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:03:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:03:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-14 20:03:58,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-14 20:03:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-14 20:03:59,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-14 20:03:59,014 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2022-11-14 20:03:59,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-11-14 20:03:59,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-11-14 20:03:59,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-11-14 20:03:59,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-11-14 20:03:59,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-14 20:03:59,016 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-14 20:03:59,016 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2022-11-14 20:03:59,016 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-14 20:03:59,016 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-14 20:03:59,051 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-14 20:03:59,054 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:03:59,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 20:03:59,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:03:59,055 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) [2022-11-14 20:03:59,057 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 [2022-11-14 20:03:59,060 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 20:03:59,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2022-11-14 20:03:59,060 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;@272c4e6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:03:59,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-14 20:04:07,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:04:07,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:04:07,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1280665891, now seen corresponding path program 1 times [2022-11-14 20:04:07,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:04:07,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499759752] [2022-11-14 20:04:07,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:04:07,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:04:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:04:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:04:08,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:04:08,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499759752] [2022-11-14 20:04:08,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499759752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:04:08,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:04:08,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-11-14 20:04:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564606662] [2022-11-14 20:04:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:04:08,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-14 20:04:08,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:04:08,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-14 20:04:08,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-11-14 20:04:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:08,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:04:08,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.65) internal successors, (93), 21 states have internal predecessors, (93), 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) [2022-11-14 20:04:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-14 20:04:08,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-14 20:04:08,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:04:08,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:04:08,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1045938088, now seen corresponding path program 1 times [2022-11-14 20:04:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:04:08,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806031968] [2022-11-14 20:04:08,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:04:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:04:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:04:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:04:09,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:04:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806031968] [2022-11-14 20:04:09,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806031968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:04:09,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:04:09,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-11-14 20:04:09,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385927082] [2022-11-14 20:04:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:04:09,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-14 20:04:09,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:04:09,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-14 20:04:09,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2022-11-14 20:04:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:09,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:04:09,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 25 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) [2022-11-14 20:04:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-14 20:04:09,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:04:13,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:04:13,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-14 20:04:13,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:04:13,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:04:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2120259593, now seen corresponding path program 1 times [2022-11-14 20:04:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:04:13,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051808671] [2022-11-14 20:04:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:04:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:04:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:04:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:04:13,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:04:13,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051808671] [2022-11-14 20:04:13,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051808671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:04:13,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:04:13,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-14 20:04:13,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096271945] [2022-11-14 20:04:13,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:04:13,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-14 20:04:13,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:04:13,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-14 20:04:13,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-14 20:04:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:13,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:04:13,401 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) [2022-11-14 20:04:13,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:04:13,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:04:13,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:04:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:04:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-14 20:04:13,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-14 20:04:13,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:04:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:04:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1303536806, now seen corresponding path program 1 times [2022-11-14 20:04:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:04:13,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457468534] [2022-11-14 20:04:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:04:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:04:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:04:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:04:14,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:04:14,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457468534] [2022-11-14 20:04:14,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457468534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:04:14,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:04:14,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-14 20:04:14,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182939876] [2022-11-14 20:04:14,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:04:14,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-14 20:04:14,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:04:14,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-14 20:04:14,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2022-11-14 20:04:14,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:04:14,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:04:14,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 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) [2022-11-14 20:04:14,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:04:14,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:04:14,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-14 20:04:14,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:10,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-14 20:11:10,434 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:11:10,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:11:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash -869700145, now seen corresponding path program 1 times [2022-11-14 20:11:10,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:11:10,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505186690] [2022-11-14 20:11:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:11:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:10,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:11:10,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505186690] [2022-11-14 20:11:10,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505186690] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:11:10,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120672031] [2022-11-14 20:11:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:10,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:11:10,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:11:10,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:11:10,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-14 20:11:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:10,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-14 20:11:10,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:11:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:10,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:11:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:10,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120672031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:11:10,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:11:10,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-14 20:11:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861138832] [2022-11-14 20:11:10,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:11:10,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-14 20:11:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:11:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-14 20:11:10,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-14 20:11:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:10,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:11:10,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 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) [2022-11-14 20:11:10,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:10,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:19,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-14 20:11:20,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-14 20:11:20,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:11:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:11:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash -615037458, now seen corresponding path program 1 times [2022-11-14 20:11:20,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:11:20,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705257766] [2022-11-14 20:11:20,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:20,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:11:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:20,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:11:20,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705257766] [2022-11-14 20:11:20,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705257766] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:11:20,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450864385] [2022-11-14 20:11:20,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:20,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:11:20,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:11:20,371 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:11:20,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-14 20:11:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:20,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-14 20:11:20,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:11:20,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-14 20:11:20,560 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-14 20:11:20,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-14 20:11:20,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:11:20,639 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 14 treesize of output 16 [2022-11-14 20:11:20,643 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 15 treesize of output 7 [2022-11-14 20:11:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:20,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:11:20,723 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:11:20,723 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 18 treesize of output 19 [2022-11-14 20:11:20,726 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 32 treesize of output 24 [2022-11-14 20:11:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:20,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450864385] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:11:20,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:11:20,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2022-11-14 20:11:20,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325092475] [2022-11-14 20:11:20,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:11:20,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-14 20:11:20,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:11:20,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-14 20:11:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=198, Unknown=1, NotChecked=0, Total=240 [2022-11-14 20:11:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:20,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:11:20,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.8) internal successors, (147), 16 states have internal predecessors, (147), 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) [2022-11-14 20:11:20,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:20,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:20,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:20,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:20,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:20,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:11:51,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-14 20:11:51,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:11:51,422 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:11:51,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:11:51,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2104647630, now seen corresponding path program 1 times [2022-11-14 20:11:51,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:11:51,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084356270] [2022-11-14 20:11:51,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:11:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:51,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:11:51,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084356270] [2022-11-14 20:11:51,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084356270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:11:51,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015429087] [2022-11-14 20:11:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:51,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:11:51,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:11:51,522 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:11:51,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-14 20:11:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:11:51,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-14 20:11:51,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:11:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:11:51,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-14 20:11:51,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015429087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:11:51,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-14 20:11:51,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-14 20:11:51,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724917363] [2022-11-14 20:11:51,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:11:51,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 20:11:51,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:11:51,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 20:11:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-14 20:11:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:51,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:11:51,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:11:51,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:11:59,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:11:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:11:59,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-14 20:11:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:11:59,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:11:59,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:11:59,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1681650836, now seen corresponding path program 1 times [2022-11-14 20:11:59,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:11:59,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744683049] [2022-11-14 20:11:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:11:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:11:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:12:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:00,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:12:00,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744683049] [2022-11-14 20:12:00,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744683049] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:12:00,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341811343] [2022-11-14 20:12:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:12:00,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:12:00,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:12:00,313 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:12:00,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-14 20:12:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:12:00,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-14 20:12:00,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:12:00,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-14 20:12:00,536 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:12:00,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:12:00,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:12:00,837 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 14 treesize of output 16 [2022-11-14 20:12:00,923 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 14 treesize of output 16 [2022-11-14 20:12:00,990 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-14 20:12:00,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-14 20:12:01,023 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 14 treesize of output 16 [2022-11-14 20:12:01,043 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 15 treesize of output 7 [2022-11-14 20:12:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:01,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:12:01,090 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2261 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_init_~p#1.base| v_ArrVal_2261) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:12:01,153 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2261 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_#t~malloc32#1.base| v_ArrVal_2261) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:12:01,365 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:12:01,366 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 21 treesize of output 22 [2022-11-14 20:12:01,370 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 62 treesize of output 54 [2022-11-14 20:12:01,374 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 24 treesize of output 22 [2022-11-14 20:12:01,377 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 46 treesize of output 42 [2022-11-14 20:12:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:01,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341811343] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:12:01,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:12:01,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2022-11-14 20:12:01,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684277268] [2022-11-14 20:12:01,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:12:01,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-14 20:12:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:12:01,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-14 20:12:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=804, Unknown=7, NotChecked=118, Total=1056 [2022-11-14 20:12:01,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:12:01,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:12:01,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 8.28125) internal successors, (265), 33 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:12:01,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:12:01,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:12:01,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:01,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:12:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:12:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:12:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:12:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:12:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:12:09,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-14 20:12:09,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-14 20:12:09,291 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:12:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:12:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash -591567227, now seen corresponding path program 1 times [2022-11-14 20:12:09,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:12:09,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728673682] [2022-11-14 20:12:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:12:09,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:12:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:12:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:10,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:12:10,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728673682] [2022-11-14 20:12:10,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728673682] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:12:10,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547309100] [2022-11-14 20:12:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:12:10,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:12:10,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:12:10,536 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:12:10,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-14 20:12:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:12:10,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-14 20:12:10,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:12:10,814 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:12:10,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:12:10,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:12:10,884 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 16 treesize of output 8 [2022-11-14 20:12:10,973 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-14 20:12:10,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-14 20:12:11,028 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-14 20:12:11,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-14 20:12:11,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:12:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:12:11,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:12:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:12:11,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:12:11,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:12:12,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-14 20:12:12,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:12:12,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:12:12,565 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-14 20:12:12,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-14 20:12:12,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:12:12,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:12:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:12,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:12:12,918 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2462 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_init_~p#1.base| v_ArrVal_2462) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:12:49,373 INFO L321 Elim1Store]: treesize reduction 34, result has 60.0 percent of original size [2022-11-14 20:12:49,374 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 3 case distinctions, treesize of input 150 treesize of output 92 [2022-11-14 20:12:49,388 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:12:49,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 253 treesize of output 263 [2022-11-14 20:12:49,394 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 188 treesize of output 182 [2022-11-14 20:12:49,401 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 182 treesize of output 170 [2022-11-14 20:12:49,408 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 9 [2022-11-14 20:12:52,710 INFO L321 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-11-14 20:12:52,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 28 [2022-11-14 20:12:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:12:52,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547309100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:12:52,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:12:52,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 27] total 82 [2022-11-14 20:12:52,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094653329] [2022-11-14 20:12:52,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:12:52,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-11-14 20:12:52,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:12:52,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-11-14 20:12:52,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=6124, Unknown=56, NotChecked=160, Total=6806 [2022-11-14 20:12:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:12:52,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:12:52,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 82 states have (on average 4.0) internal successors, (328), 83 states have internal predecessors, (328), 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) [2022-11-14 20:12:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:12:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:12:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-14 20:12:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:04,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-14 20:13:04,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-14 20:13:04,539 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:13:04,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:13:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1032587825, now seen corresponding path program 1 times [2022-11-14 20:13:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:13:04,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142994911] [2022-11-14 20:13:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:13:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:04,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:13:04,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142994911] [2022-11-14 20:13:04,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142994911] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:13:04,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586205987] [2022-11-14 20:13:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:13:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:13:04,965 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:13:04,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-14 20:13:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:05,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-14 20:13:05,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:13:05,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-14 20:13:05,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:13:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:13:05,429 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 14 treesize of output 16 [2022-11-14 20:13:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:13:05,477 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 14 treesize of output 16 [2022-11-14 20:13:05,489 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-14 20:13:05,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-14 20:13:05,527 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 14 treesize of output 16 [2022-11-14 20:13:05,536 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 14 treesize of output 16 [2022-11-14 20:13:05,567 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 14 treesize of output 16 [2022-11-14 20:13:05,571 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 15 treesize of output 7 [2022-11-14 20:13:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:05,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:13:05,617 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2682 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_2682) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:13:05,623 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2682 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_#in~p#1.base| v_ArrVal_2682) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:13:05,655 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2682 (Array Int Int)) (v_ArrVal_2681 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_init_~p#1.base| v_ArrVal_2681) |c_t_funThread2of2ForFork0_~p~0#1.base| v_ArrVal_2682) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:13:05,897 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:13:05,898 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 21 treesize of output 22 [2022-11-14 20:13:05,900 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 124 treesize of output 112 [2022-11-14 20:13:05,908 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 53 treesize of output 49 [2022-11-14 20:13:05,911 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 102 treesize of output 94 [2022-11-14 20:13:08,232 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 10 treesize of output 8 [2022-11-14 20:13:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:08,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586205987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:13:08,262 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:13:08,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 36 [2022-11-14 20:13:08,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114384389] [2022-11-14 20:13:08,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:13:08,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-14 20:13:08,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:13:08,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-14 20:13:08,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=989, Unknown=15, NotChecked=198, Total=1332 [2022-11-14 20:13:08,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:08,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:13:08,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 8.11111111111111) internal successors, (292), 37 states have internal predecessors, (292), 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) [2022-11-14 20:13:08,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:13:30,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-14 20:13:30,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:13:30,460 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:13:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:13:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash 231824688, now seen corresponding path program 1 times [2022-11-14 20:13:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:13:30,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755393523] [2022-11-14 20:13:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:30,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:13:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:31,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:13:31,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755393523] [2022-11-14 20:13:31,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755393523] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:13:31,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545175804] [2022-11-14 20:13:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:31,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:13:31,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:13:31,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:13:31,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-14 20:13:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:31,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-14 20:13:31,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:13:31,640 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:13:31,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:13:31,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:13:31,696 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 16 treesize of output 8 [2022-11-14 20:13:31,773 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-14 20:13:31,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-14 20:13:31,846 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:13:31,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-11-14 20:13:32,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:13:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:13:32,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:13:32,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:32,651 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-11-14 20:13:32,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2022-11-14 20:13:32,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:32,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:33,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:33,062 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 14 treesize of output 16 [2022-11-14 20:13:33,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:13:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:33,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:13:33,193 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2919 (Array Int Int)) (v_ArrVal_2918 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_2918) |c_t_funThread2of2ForFork0_insert_~list#1.base| v_ArrVal_2919) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:13:33,198 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2919 (Array Int Int)) (v_ArrVal_2918 (Array Int Int))) (< (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_2918) |c_t_funThread2of2ForFork0_insert_#in~list#1.base| v_ArrVal_2919) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:13:33,662 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:13:33,662 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 24 treesize of output 25 [2022-11-14 20:13:33,665 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 244 treesize of output 232 [2022-11-14 20:13:33,668 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 226 treesize of output 210 [2022-11-14 20:13:33,671 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 210 treesize of output 202 [2022-11-14 20:13:33,674 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 202 treesize of output 198 [2022-11-14 20:13:34,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-14 20:13:34,545 INFO L321 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2022-11-14 20:13:34,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-14 20:13:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:13:34,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545175804] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:13:34,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:13:34,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 20] total 61 [2022-11-14 20:13:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004725291] [2022-11-14 20:13:34,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:13:34,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-11-14 20:13:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:13:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-11-14 20:13:34,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3214, Unknown=37, NotChecked=234, Total=3782 [2022-11-14 20:13:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:34,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:13:34,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 6.114754098360656) internal successors, (373), 62 states have internal predecessors, (373), 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) [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:13:34,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:13:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:13:50,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-11-14 20:13:50,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:13:50,748 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:13:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:13:50,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1045743921, now seen corresponding path program 1 times [2022-11-14 20:13:50,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:13:50,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148378378] [2022-11-14 20:13:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:13:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-14 20:13:51,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:13:51,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148378378] [2022-11-14 20:13:51,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148378378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:13:51,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:13:51,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-14 20:13:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529954939] [2022-11-14 20:13:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:13:51,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-14 20:13:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:13:51,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-14 20:13:51,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-14 20:13:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:51,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:13:51,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 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) [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:13:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:13:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:13:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:13:51,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-14 20:13:51,247 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:13:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:13:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash 690753584, now seen corresponding path program 2 times [2022-11-14 20:13:51,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:13:51,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496860557] [2022-11-14 20:13:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:13:51,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:13:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:13:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-14 20:13:52,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:13:52,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496860557] [2022-11-14 20:13:52,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496860557] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:13:52,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33234282] [2022-11-14 20:13:52,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-14 20:13:52,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:13:52,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:13:52,401 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:13:52,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-14 20:13:52,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-14 20:13:52,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-14 20:13:52,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-14 20:13:52,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:13:52,802 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:13:52,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:13:52,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:13:52,870 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 16 treesize of output 8 [2022-11-14 20:13:52,944 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-14 20:13:52,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-14 20:13:52,994 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-14 20:13:52,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-14 20:13:53,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:13:53,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:53,700 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-14 20:13:53,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2022-11-14 20:13:53,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:53,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:54,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:54,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:13:54,209 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 14 treesize of output 16 [2022-11-14 20:13:54,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:13:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-14 20:13:54,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:13:56,453 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3278 (Array Int Int)) (v_ArrVal_3279 (Array Int Int)) (v_ArrVal_3280 (Array Int Int))) (< (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3278) |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_3279) |c_t_funThread2of2ForFork0_insert_~list#1.base| v_ArrVal_3280) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483649)) is different from false [2022-11-14 20:14:05,369 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:14:05,369 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 27 treesize of output 28 [2022-11-14 20:14:05,374 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 1936 treesize of output 1900 [2022-11-14 20:14:05,389 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 947 treesize of output 883 [2022-11-14 20:14:05,403 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 1830 treesize of output 1798 [2022-11-14 20:14:05,415 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 1798 treesize of output 1782 [2022-11-14 20:14:05,426 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 1782 treesize of output 1654 [2022-11-14 20:14:08,801 INFO L321 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2022-11-14 20:14:08,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 28 [2022-11-14 20:14:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 2 not checked. [2022-11-14 20:14:08,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33234282] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:14:08,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:14:08,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 21] total 60 [2022-11-14 20:14:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016905499] [2022-11-14 20:14:08,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:14:08,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-14 20:14:08,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:14:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-14 20:14:08,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=3169, Unknown=59, NotChecked=116, Total=3660 [2022-11-14 20:14:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:14:08,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:14:08,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 6.033333333333333) internal successors, (362), 61 states have internal predecessors, (362), 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) [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:14:08,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:14:08,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:14:21,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:14:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:14:21,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-14 20:14:21,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-14 20:14:21,202 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:14:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:14:21,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2144889194, now seen corresponding path program 1 times [2022-11-14 20:14:21,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:14:21,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684241955] [2022-11-14 20:14:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:14:21,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:14:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:14:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:14:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:14:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684241955] [2022-11-14 20:14:22,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684241955] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:14:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115285315] [2022-11-14 20:14:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:14:22,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:14:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:14:22,820 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:14:22,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-14 20:14:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:14:23,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-14 20:14:23,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:14:23,147 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:14:23,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:14:23,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:14:23,231 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 16 treesize of output 8 [2022-11-14 20:14:23,340 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-14 20:14:23,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-14 20:14:23,409 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:14:23,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-11-14 20:14:23,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:14:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:14:23,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:14:24,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:14:24,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:14:24,512 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 14 treesize of output 16 [2022-11-14 20:14:24,859 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 28 treesize of output 16 [2022-11-14 20:14:25,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:14:25,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:14:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:14:25,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:14:25,437 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-11-14 20:14:25,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2022-11-14 20:14:25,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:14:25,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:14:26,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:14:26,158 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 14 treesize of output 16 [2022-11-14 20:14:26,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:14:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:14:26,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:14:26,349 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3528 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_~list#1.base| v_ArrVal_3528) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:14:26,641 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3527 (Array Int Int)) (v_ArrVal_3528 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_~p~0#1.base| v_ArrVal_3527) |c_~#A~0.base| v_ArrVal_3528) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:14:26,664 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3526 (Array Int Int)) (v_ArrVal_3527 (Array Int Int)) (v_ArrVal_3528 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_init_~p#1.base| v_ArrVal_3526) |c_t_funThread2of2ForFork0_~p~0#1.base| v_ArrVal_3527) |c_~#A~0.base| v_ArrVal_3528) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:15:03,823 INFO L321 Elim1Store]: treesize reduction 34, result has 60.0 percent of original size [2022-11-14 20:15:03,824 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 3 case distinctions, treesize of input 153 treesize of output 95 [2022-11-14 20:15:03,845 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:15:03,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1261 treesize of output 1271 [2022-11-14 20:15:03,862 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 1196 treesize of output 1124 [2022-11-14 20:15:03,875 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 1124 treesize of output 1088 [2022-11-14 20:15:03,888 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 1088 treesize of output 1070 [2022-11-14 20:15:03,904 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 9 [2022-11-14 20:15:16,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-14 20:15:16,301 INFO L321 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2022-11-14 20:15:16,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-14 20:15:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-14 20:15:16,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115285315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:15:16,316 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:15:16,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 31] total 88 [2022-11-14 20:15:16,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408960620] [2022-11-14 20:15:16,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:15:16,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-11-14 20:15:16,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:15:16,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-11-14 20:15:16,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=6718, Unknown=93, NotChecked=510, Total=7832 [2022-11-14 20:15:16,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:15:16,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:15:16,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 4.215909090909091) internal successors, (371), 89 states have internal predecessors, (371), 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) [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:15:16,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-14 20:15:16,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:15:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-14 20:15:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-14 20:15:34,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-14 20:15:34,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-14 20:15:34,740 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-14 20:15:34,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:15:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash -533358998, now seen corresponding path program 2 times [2022-11-14 20:15:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:15:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439906200] [2022-11-14 20:15:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:15:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:15:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:15:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-14 20:15:36,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:15:36,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439906200] [2022-11-14 20:15:36,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439906200] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:15:36,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884452888] [2022-11-14 20:15:36,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-14 20:15:36,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:15:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:15:36,450 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-14 20:15:36,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-14 20:15:36,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-14 20:15:36,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-14 20:15:36,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-14 20:15:36,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:15:37,159 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-14 20:15:37,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-14 20:15:37,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:15:37,266 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 16 treesize of output 8 [2022-11-14 20:15:37,405 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-14 20:15:37,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-14 20:15:37,515 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-14 20:15:37,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-14 20:15:37,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-14 20:15:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:15:38,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:15:38,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:15:38,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-14 20:15:38,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:39,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-14 20:15:39,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:39,835 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-14 20:15:39,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2022-11-14 20:15:40,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:40,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:41,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:41,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-14 20:15:41,401 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 14 treesize of output 16 [2022-11-14 20:15:41,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-14 20:15:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-14 20:15:41,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:15:41,804 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3775 (Array Int Int)) (v_ArrVal_3776 (Array Int Int))) (< 0 (+ (select (select (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_3775) |c_t_funThread2of2ForFork0_insert_~list#1.base| v_ArrVal_3776) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:15:46,024 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3774 (Array Int Int)) (v_ArrVal_3775 (Array Int Int)) (v_ArrVal_3776 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3774) |c_t_funThread2of2ForFork0_insert_~p#1.base| v_ArrVal_3775) |c_t_funThread2of2ForFork0_insert_#in~list#1.base| v_ArrVal_3776) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:15:46,030 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3774 (Array Int Int)) (v_ArrVal_3775 (Array Int Int)) (v_ArrVal_3776 (Array Int Int))) (< 0 (+ (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3774) |c_t_funThread2of2ForFork0_insert_#in~p#1.base| v_ArrVal_3775) |c_t_funThread2of2ForFork0_insert_#in~list#1.base| v_ArrVal_3776) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:15:46,147 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3773 (Array Int Int)) (v_ArrVal_3774 (Array Int Int)) (v_ArrVal_3775 (Array Int Int)) (v_ArrVal_3776 (Array Int Int))) (< 0 (+ (select (select (store (store (store (store |c_#memory_int| |c_t_funThread2of2ForFork0_init_~p#1.base| v_ArrVal_3773) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_3774) |c_t_funThread2of2ForFork0_~p~0#1.base| v_ArrVal_3775) |c_~#A~0.base| v_ArrVal_3776) |c_t_funThread1of2ForFork0_~p~0#1.base|) |c_t_funThread1of2ForFork0_~p~0#1.offset|) 2147483648))) is different from false [2022-11-14 20:16:13,496 INFO L321 Elim1Store]: treesize reduction 34, result has 60.0 percent of original size [2022-11-14 20:16:13,496 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 3 case distinctions, treesize of input 156 treesize of output 98 [2022-11-14 20:16:13,521 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:16:13,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2755 treesize of output 2765 [2022-11-14 20:16:13,541 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 2690 treesize of output 2610 [2022-11-14 20:16:13,561 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 2610 treesize of output 2450 [2022-11-14 20:16:13,580 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 2450 treesize of output 2410 [2022-11-14 20:16:13,618 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 2410 treesize of output 2390 [2022-11-14 20:16:13,642 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 9 Received shutdown request... [2022-11-14 20:16:22,424 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 20:16:22,424 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 20:16:22,424 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 20:16:22,424 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 20:16:22,424 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 20:16:22,828 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-14 20:16:22,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-14 20:16:23,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-14 20:16:23,028 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 94 known predicates. [2022-11-14 20:16:23,028 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-14 20:16:23,029 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-14 20:16:23,029 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-14 20:16:23,030 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-14 20:16:23,030 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/3) [2022-11-14 20:16:23,031 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-11-14 20:16:23,031 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 20:16:23,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:16:23 BasicIcfg [2022-11-14 20:16:23,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 20:16:23,033 INFO L158 Benchmark]: Toolchain (without parser) took 852095.92ms. Allocated memory was 194.0MB in the beginning and 667.9MB in the end (delta: 474.0MB). Free memory was 160.9MB in the beginning and 263.7MB in the end (delta: -102.7MB). Peak memory consumption was 370.9MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,033 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 20:16:23,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.55ms. Allocated memory is still 194.0MB. Free memory was 160.7MB in the beginning and 135.3MB in the end (delta: 25.4MB). Peak memory consumption was 26.9MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 194.0MB. Free memory was 135.3MB in the beginning and 131.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,034 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 194.0MB. Free memory was 131.8MB in the beginning and 129.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,034 INFO L158 Benchmark]: RCFGBuilder took 645.07ms. Allocated memory was 194.0MB in the beginning and 240.1MB in the end (delta: 46.1MB). Free memory was 129.4MB in the beginning and 209.6MB in the end (delta: -80.1MB). Peak memory consumption was 29.0MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,034 INFO L158 Benchmark]: TraceAbstraction took 850780.93ms. Allocated memory was 240.1MB in the beginning and 667.9MB in the end (delta: 427.8MB). Free memory was 209.1MB in the beginning and 263.7MB in the end (delta: -54.6MB). Peak memory consumption was 373.7MB. Max. memory is 8.0GB. [2022-11-14 20:16:23,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 602.55ms. Allocated memory is still 194.0MB. Free memory was 160.7MB in the beginning and 135.3MB in the end (delta: 25.4MB). Peak memory consumption was 26.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 194.0MB. Free memory was 135.3MB in the beginning and 131.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 194.0MB. Free memory was 131.8MB in the beginning and 129.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 645.07ms. Allocated memory was 194.0MB in the beginning and 240.1MB in the end (delta: 46.1MB). Free memory was 129.4MB in the beginning and 209.6MB in the end (delta: -80.1MB). Peak memory consumption was 29.0MB. Max. memory is 8.0GB. * TraceAbstraction took 850780.93ms. Allocated memory was 240.1MB in the beginning and 667.9MB in the end (delta: 427.8MB). Free memory was 209.1MB in the beginning and 263.7MB in the end (delta: -54.6MB). Peak memory consumption was 373.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24218, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 725, dependent conditional: 616, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23623, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 130, dependent conditional: 21, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23623, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 130, dependent conditional: 21, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 87, dependent unconditional: 139, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 52, dependent unconditional: 174, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 52, dependent unconditional: 174, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15044, independent: 14827, independent conditional: 14, independent unconditional: 14813, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15044, independent: 14774, independent conditional: 0, independent unconditional: 14774, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 53, independent conditional: 14, independent unconditional: 39, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 53, independent conditional: 14, independent unconditional: 39, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66514, independent: 664, independent conditional: 518, independent unconditional: 147, dependent: 1579, dependent conditional: 89, dependent unconditional: 1490, unknown: 64270, unknown conditional: 39695, unknown unconditional: 24576] , Protected Queries: 0 ], Cache Queries: [ total: 23777, independent: 8631, independent conditional: 0, independent unconditional: 8631, dependent: 70, dependent conditional: 5, dependent unconditional: 65, unknown: 15076, unknown conditional: 114, unknown unconditional: 14962] , Statistics on independence cache: Total cache size (in pairs): 14983, Positive cache size: 14827, Positive conditional cache size: 14, Positive unconditional cache size: 14813, Negative cache size: 156, Negative conditional cache size: 47, Negative unconditional cache size: 109, Unknown cache size: 61, Unknown conditional cache size: 38, Unknown unconditional cache size: 23, Eliminated conditions: 35, Maximal queried relation: 7, Independence queries for same thread: 595 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 26.4s, Number of persistent set computation: 780, Number of trivial persistent sets: 626, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21042, independent: 20910, independent conditional: 0, independent unconditional: 20910, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24218, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 725, dependent conditional: 616, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23623, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 130, dependent conditional: 21, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23623, independent: 23458, independent conditional: 2548, independent unconditional: 20910, dependent: 130, dependent conditional: 21, dependent unconditional: 109, unknown: 35, unknown conditional: 12, unknown unconditional: 23] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 87, dependent unconditional: 139, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 52, dependent unconditional: 174, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23777, independent: 23458, independent conditional: 14, independent unconditional: 23444, dependent: 226, dependent conditional: 52, dependent unconditional: 174, unknown: 93, unknown conditional: 53, unknown unconditional: 40] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15044, independent: 14827, independent conditional: 14, independent unconditional: 14813, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15044, independent: 14774, independent conditional: 0, independent unconditional: 14774, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 270, independent: 53, independent conditional: 14, independent unconditional: 39, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 270, independent: 53, independent conditional: 14, independent unconditional: 39, dependent: 156, dependent conditional: 47, dependent unconditional: 109, unknown: 61, unknown conditional: 38, unknown unconditional: 23] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66514, independent: 664, independent conditional: 518, independent unconditional: 147, dependent: 1579, dependent conditional: 89, dependent unconditional: 1490, unknown: 64270, unknown conditional: 39695, unknown unconditional: 24576] , Protected Queries: 0 ], Cache Queries: [ total: 23777, independent: 8631, independent conditional: 0, independent unconditional: 8631, dependent: 70, dependent conditional: 5, dependent unconditional: 65, unknown: 15076, unknown conditional: 114, unknown unconditional: 14962] , Statistics on independence cache: Total cache size (in pairs): 14983, Positive cache size: 14827, Positive conditional cache size: 14, Positive unconditional cache size: 14813, Negative cache size: 156, Negative conditional cache size: 47, Negative unconditional cache size: 109, Unknown cache size: 61, Unknown conditional cache size: 38, Unknown unconditional cache size: 23, Eliminated conditions: 35, Maximal queried relation: 7, Independence queries for same thread: 595 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4782, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 84, dependent conditional: 73, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4710, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4710, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4543, independent: 4527, independent conditional: 0, independent unconditional: 4527, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4543, independent: 4523, independent conditional: 0, independent unconditional: 4523, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5236, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 5165, unknown conditional: 0, unknown unconditional: 5165] , Protected Queries: 0 ], Cache Queries: [ total: 4711, independent: 166, independent conditional: 0, independent unconditional: 166, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 4543, unknown conditional: 0, unknown unconditional: 4543] , Statistics on independence cache: Total cache size (in pairs): 4538, Positive cache size: 4527, Positive conditional cache size: 0, Positive unconditional cache size: 4527, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 5, Unknown conditional cache size: 0, Unknown unconditional cache size: 5, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 72 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 5.3s, Number of persistent set computation: 303, Number of trivial persistent sets: 293, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4625, independent: 4609, independent conditional: 0, independent unconditional: 4609, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4782, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 84, dependent conditional: 73, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4710, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4710, independent: 4693, independent conditional: 84, independent unconditional: 4609, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4711, independent: 4693, independent conditional: 0, independent unconditional: 4693, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4543, independent: 4527, independent conditional: 0, independent unconditional: 4527, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4543, independent: 4523, independent conditional: 0, independent unconditional: 4523, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5236, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 5165, unknown conditional: 0, unknown unconditional: 5165] , Protected Queries: 0 ], Cache Queries: [ total: 4711, independent: 166, independent conditional: 0, independent unconditional: 166, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 4543, unknown conditional: 0, unknown unconditional: 4543] , Statistics on independence cache: Total cache size (in pairs): 4538, Positive cache size: 4527, Positive conditional cache size: 0, Positive unconditional cache size: 4527, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 5, Unknown conditional cache size: 0, Unknown unconditional cache size: 5, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 72 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 431137, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 36307, dependent conditional: 35840, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 400633, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 5803, dependent conditional: 5336, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 400633, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 5803, dependent conditional: 5336, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 26761, dependent unconditional: 6212, unknown: 13989, unknown conditional: 11313, unknown unconditional: 2676] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 7176, dependent unconditional: 25797, unknown: 13989, unknown conditional: 9875, unknown unconditional: 4114] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 7176, dependent unconditional: 25797, unknown: 13989, unknown conditional: 9875, unknown unconditional: 4114] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48509, independent: 47065, independent conditional: 69, independent unconditional: 46996, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48509, independent: 46799, independent conditional: 0, independent unconditional: 46799, dependent: 1710, dependent conditional: 0, dependent unconditional: 1710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1710, independent: 266, independent conditional: 69, independent unconditional: 197, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1710, independent: 266, independent conditional: 69, independent unconditional: 197, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524984, independent: 3799, independent conditional: 3406, independent unconditional: 393, dependent: 21741, dependent conditional: 12993, dependent unconditional: 8748, unknown: 499444, unknown conditional: 383724, unknown unconditional: 115720] , Protected Queries: 0 ], Cache Queries: [ total: 439529, independent: 345502, independent conditional: 753, independent unconditional: 344749, dependent: 32001, dependent conditional: 6671, dependent unconditional: 25330, unknown: 62026, unknown conditional: 10449, unknown unconditional: 51577] , Statistics on independence cache: Total cache size (in pairs): 48037, Positive cache size: 47065, Positive conditional cache size: 69, Positive unconditional cache size: 46996, Negative cache size: 972, Negative conditional cache size: 505, Negative unconditional cache size: 467, Unknown cache size: 472, Unknown conditional cache size: 362, Unknown unconditional cache size: 110, Eliminated conditions: 21023, Maximal queried relation: 13, Independence queries for same thread: 30504 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 125.5s, Number of persistent set computation: 26761, Number of trivial persistent sets: 18009, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94480, independent: 93903, independent conditional: 0, independent unconditional: 93903, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 431137, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 36307, dependent conditional: 35840, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 400633, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 5803, dependent conditional: 5336, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 400633, independent: 392567, independent conditional: 298664, independent unconditional: 93903, dependent: 5803, dependent conditional: 5336, dependent unconditional: 467, unknown: 2263, unknown conditional: 2153, unknown unconditional: 110] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 26761, dependent unconditional: 6212, unknown: 13989, unknown conditional: 11313, unknown unconditional: 2676] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 7176, dependent unconditional: 25797, unknown: 13989, unknown conditional: 9875, unknown unconditional: 4114] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 439529, independent: 392567, independent conditional: 822, independent unconditional: 391745, dependent: 32973, dependent conditional: 7176, dependent unconditional: 25797, unknown: 13989, unknown conditional: 9875, unknown unconditional: 4114] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48509, independent: 47065, independent conditional: 69, independent unconditional: 46996, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48509, independent: 46799, independent conditional: 0, independent unconditional: 46799, dependent: 1710, dependent conditional: 0, dependent unconditional: 1710, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1710, independent: 266, independent conditional: 69, independent unconditional: 197, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1710, independent: 266, independent conditional: 69, independent unconditional: 197, dependent: 972, dependent conditional: 505, dependent unconditional: 467, unknown: 472, unknown conditional: 362, unknown unconditional: 110] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524984, independent: 3799, independent conditional: 3406, independent unconditional: 393, dependent: 21741, dependent conditional: 12993, dependent unconditional: 8748, unknown: 499444, unknown conditional: 383724, unknown unconditional: 115720] , Protected Queries: 0 ], Cache Queries: [ total: 439529, independent: 345502, independent conditional: 753, independent unconditional: 344749, dependent: 32001, dependent conditional: 6671, dependent unconditional: 25330, unknown: 62026, unknown conditional: 10449, unknown unconditional: 51577] , Statistics on independence cache: Total cache size (in pairs): 48037, Positive cache size: 47065, Positive conditional cache size: 69, Positive unconditional cache size: 46996, Negative cache size: 972, Negative conditional cache size: 505, Negative unconditional cache size: 467, Unknown cache size: 472, Unknown conditional cache size: 362, Unknown unconditional cache size: 110, Eliminated conditions: 21023, Maximal queried relation: 13, Independence queries for same thread: 30504 - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 94 known predicates. - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 94 known predicates. - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 94 known predicates. - TimeoutResultAtElement [Line: 1262]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 155 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 94 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 326 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 100.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 76.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 1308 NumberOfCodeBlocks, 1308 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1748 ConstructedInterpolants, 168 QuantifiedInterpolants, 15570 SizeOfPredicates, 69 NumberOfNonLiveVariables, 1626 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 0/39 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 326 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 732 ConstructedInterpolants, 0 QuantifiedInterpolants, 830 SizeOfPredicates, 2 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of2ForFork0 with 1 thread instances CFG has 4 procedures, 404 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 744.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 564.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 417, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 127.4s InterpolantComputationTime, 3060 NumberOfCodeBlocks, 3060 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4147 ConstructedInterpolants, 728 QuantifiedInterpolants, 55507 SizeOfPredicates, 174 NumberOfNonLiveVariables, 4508 ConjunctsInSsa, 363 ConjunctsInUnsatCore, 31 InterpolantComputations, 6 PerfectInterpolantSequences, 244/453 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown