/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:28:26,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:28:26,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:28:26,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 04:28:26,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 04:28:26,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 04:28:26,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 04:28:26,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 04:28:26,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 04:28:26,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 04:28:26,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 04:28:26,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 04:28:26,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:28:26,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:28:26,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:28:26,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:28:26,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:28:26,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:28:26,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:28:26,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:28:26,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:28:26,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:28:26,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:28:26,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:28:26,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 04:28:26,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 04:28:26,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 04:28:26,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 04:28:26,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 04:28:26,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 04:28:26,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 04:28:26,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 04:28:26,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 04:28:26,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 04:28:26,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 04:28:26,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 04:28:26,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 04:28:26,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 04:28:26,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:28:26,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:28:26,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:28:26,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:28:26,784 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:28:26,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:28:26,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:28:26,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:28:26,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:28:26,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:28:26,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:28:26,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:28:26,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:28:26,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:28:26,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:28:26,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:28:26,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:28:26,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:28:26,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:28:26,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:28:26,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:28:26,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:28:26,790 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:28:26,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:28:27,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:28:27,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:28:27,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:28:27,048 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:28:27,049 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:28:27,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2023-05-20 04:28:27,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dbe8f54/d6a282467a3040218909db3d94d567fc/FLAGafcf48c6b [2023-05-20 04:28:27,618 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:28:27,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2023-05-20 04:28:27,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dbe8f54/d6a282467a3040218909db3d94d567fc/FLAGafcf48c6b [2023-05-20 04:28:27,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dbe8f54/d6a282467a3040218909db3d94d567fc [2023-05-20 04:28:27,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:28:27,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:28:27,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:28:27,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:28:27,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:28:27,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:28:27" (1/1) ... [2023-05-20 04:28:27,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bcb33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:27, skipping insertion in model container [2023-05-20 04:28:27,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:28:27" (1/1) ... [2023-05-20 04:28:27,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:28:28,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:28:28,424 WARN L230 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_73-funloop_hard_racefree.i[41323,41336] [2023-05-20 04:28:28,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:28:28,471 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:28:28,501 WARN L230 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_73-funloop_hard_racefree.i[41323,41336] [2023-05-20 04:28:28,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:28:28,564 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:28:28,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28 WrapperNode [2023-05-20 04:28:28,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:28:28,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:28:28,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:28:28,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:28:28,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,625 INFO L138 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 247 [2023-05-20 04:28:28,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:28:28,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:28:28,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:28:28,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:28:28,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:28:28,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:28:28,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:28:28,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:28:28,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (1/1) ... [2023-05-20 04:28:28,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:28:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:28,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 04:28:28,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 04:28:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:28:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:28:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 04:28:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:28:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 04:28:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:28:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-20 04:28:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-20 04:28:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:28:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:28:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:28:28,739 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 04:28:28,915 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:28:28,917 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:28:29,233 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:28:29,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:28:29,240 INFO L300 CfgBuilder]: Removed 35 assume(true) statements. [2023-05-20 04:28:29,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:28:29 BoogieIcfgContainer [2023-05-20 04:28:29,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:28:29,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:28:29,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:28:29,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:28:29,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:28:27" (1/3) ... [2023-05-20 04:28:29,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f370a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:28:29, skipping insertion in model container [2023-05-20 04:28:29,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:28:28" (2/3) ... [2023-05-20 04:28:29,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f370a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:28:29, skipping insertion in model container [2023-05-20 04:28:29,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:28:29" (3/3) ... [2023-05-20 04:28:29,249 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_73-funloop_hard_racefree.i [2023-05-20 04:28:29,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:28:29,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:28:29,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-05-20 04:28:29,262 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:28:29,307 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-05-20 04:28:29,344 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:28:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:28:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:29,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:28:29,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 04:28:29,379 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:28:29,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-05-20 04:28:29,413 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;@cf381d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:28:29,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 04:28:29,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:28:29,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:28:29,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1667612508, now seen corresponding path program 1 times [2023-05-20 04:28:29,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:28:29,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166890103] [2023-05-20 04:28:29,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:29,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:28:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-05-20 04:28:30,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:28:30,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166890103] [2023-05-20 04:28:30,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166890103] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:28:30,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:28:30,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 04:28:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683155629] [2023-05-20 04:28:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:28:30,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 04:28:30,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:28:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 04:28:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 04:28:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:30,283 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:28:30,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:28:30,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:30,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:28:30,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:28:30,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:28:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash 94888344, now seen corresponding path program 1 times [2023-05-20 04:28:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:28:30,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810773067] [2023-05-20 04:28:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:28:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-05-20 04:28:31,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:28:31,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810773067] [2023-05-20 04:28:31,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810773067] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:28:31,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041861629] [2023-05-20 04:28:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:31,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:31,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 04:28:31,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 04:28:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:31,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 04:28:31,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:28:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-05-20 04:28:31,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:28:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-05-20 04:28:31,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041861629] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:28:31,868 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:28:31,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 04:28:31,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110484935] [2023-05-20 04:28:31,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:28:31,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 04:28:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:28:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 04:28:31,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 04:28:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:31,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:28:31,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:28:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:31,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:31,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 04:28:32,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-20 04:28:32,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:28:32,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:28:32,194 INFO L85 PathProgramCache]: Analyzing trace with hash 649488248, now seen corresponding path program 2 times [2023-05-20 04:28:32,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:28:32,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298806951] [2023-05-20 04:28:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:28:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2564 backedges. 350 proven. 1 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2023-05-20 04:28:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:28:32,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298806951] [2023-05-20 04:28:32,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298806951] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:28:32,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554889951] [2023-05-20 04:28:32,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 04:28:32,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:32,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 04:28:32,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 04:28:32,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 04:28:32,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 04:28:32,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 04:28:32,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:28:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2564 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-05-20 04:28:32,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:28:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2564 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-05-20 04:28:33,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554889951] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:28:33,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:28:33,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-05-20 04:28:33,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341483486] [2023-05-20 04:28:33,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:28:33,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 04:28:33,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:28:33,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 04:28:33,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-05-20 04:28:33,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:33,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:28:33,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.947368421052632) internal successors, (246), 19 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:28:33,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:33,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:33,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:28:33,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 04:28:33,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:33,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:28:33,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:28:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2092402500, now seen corresponding path program 1 times [2023-05-20 04:28:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:28:33,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967798358] [2023-05-20 04:28:33,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:28:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 04:28:33,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:28:33,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967798358] [2023-05-20 04:28:33,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967798358] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:28:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207212216] [2023-05-20 04:28:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:33,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:33,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:33,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 04:28:33,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 04:28:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:33,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 04:28:33,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:28:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 04:28:34,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:28:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 04:28:34,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207212216] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:28:34,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:28:34,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-05-20 04:28:34,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053159496] [2023-05-20 04:28:34,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:28:34,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-20 04:28:34,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:28:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-20 04:28:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-05-20 04:28:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:34,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:28:34,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.043478260869565) internal successors, (139), 23 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:28:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:28:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:28:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:28:34,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 04:28:34,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:34,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:28:34,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:28:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1772820415, now seen corresponding path program 2 times [2023-05-20 04:28:34,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:28:34,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286257623] [2023-05-20 04:28:34,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:28:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:28:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:28:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 04:28:37,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:28:37,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286257623] [2023-05-20 04:28:37,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286257623] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:28:37,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451188847] [2023-05-20 04:28:37,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 04:28:37,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:28:37,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:28:37,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 04:28:37,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 04:28:37,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 04:28:37,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 04:28:37,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-20 04:28:37,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:28:37,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 6 [2023-05-20 04:28:37,975 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 04:28:37,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 04:28:38,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2023-05-20 04:28:38,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-05-20 04:28:38,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 04:28:38,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 21 treesize of output 16 [2023-05-20 04:28:42,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-05-20 04:28:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 04:28:42,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:28:47,022 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ 28 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0))) is different from false [2023-05-20 04:28:48,833 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0))) is different from false [2023-05-20 04:28:50,896 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1215 Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1215)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:28:50,922 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1214 (Array Int Int)) (v_ArrVal_1215 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1215))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0))) is different from false [2023-05-20 04:28:51,029 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1214 (Array Int Int)) (v_ArrVal_1212 Int) (v_ArrVal_1215 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (let ((.cse0 (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1212)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1215))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0))) is different from false [2023-05-20 04:28:51,097 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1214 (Array Int Int)) (v_ArrVal_1212 Int) (v_ArrVal_1215 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (= (select (select (let ((.cse0 (store (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1212)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1215))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0))) is different from false [2023-05-20 04:28:51,116 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1214 (Array Int Int)) (v_ArrVal_1212 Int) (v_ArrVal_1215 Int)) (or (= (select (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1212)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1214) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1215) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| 28)))) is different from false [2023-05-20 04:28:51,151 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| Int) (v_ArrVal_1214 (Array Int Int)) (v_ArrVal_1211 (Array Int Int)) (v_ArrVal_1212 Int) (v_ArrVal_1215 Int)) (or (= (select (store (select (store (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1211))) (store .cse0 |c_~#cache~0.base| (store (select .cse0 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1212))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1214) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| v_ArrVal_1215) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_81| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_83| 28)))) is different from false [2023-05-20 04:28:51,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:28:51,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2023-05-20 04:28:51,872 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:28:51,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-05-20 04:28:51,910 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 04:28:51,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-05-20 04:28:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 13 not checked. [2023-05-20 04:28:51,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451188847] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:28:51,915 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:28:51,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 49 [2023-05-20 04:28:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681065393] [2023-05-20 04:28:51,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:28:51,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-20 04:28:51,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:28:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-20 04:28:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1473, Unknown=13, NotChecked=680, Total=2352 [2023-05-20 04:28:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:28:51,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:28:51,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.6938775510204085) internal successors, (279), 49 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:28:51,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:28:51,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:28:51,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:28:51,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:28:51,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:29:06,253 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 71 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:29:20,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:29:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:29:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:29:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:29:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 04:29:20,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 04:29:20,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:29:20,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:29:20,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:29:20,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1052057069, now seen corresponding path program 3 times [2023-05-20 04:29:20,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:29:20,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584649249] [2023-05-20 04:29:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:29:20,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:29:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:30:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 04:30:28,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:30:28,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584649249] [2023-05-20 04:30:28,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584649249] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 04:30:28,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822730824] [2023-05-20 04:30:28,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 04:30:28,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:30:28,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:30:28,161 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 04:30:28,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 04:30:28,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 04:30:28,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 04:30:28,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 94 conjunts are in the unsatisfiable core [2023-05-20 04:30:28,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 04:30:28,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 6 [2023-05-20 04:30:29,208 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 04:30:29,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 04:30:29,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2023-05-20 04:30:30,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-05-20 04:30:30,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 24 [2023-05-20 04:30:31,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-05-20 04:30:31,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 27 [2023-05-20 04:30:33,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-05-20 04:30:34,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2023-05-20 04:30:35,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 62 treesize of output 55 [2023-05-20 04:30:36,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-05-20 04:30:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 04:30:36,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 04:30:41,232 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 28 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0))) is different from false [2023-05-20 04:30:43,243 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0))) is different from false [2023-05-20 04:30:45,282 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:30:47,292 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (= 0 (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| (- 1)))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:30:49,302 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse0 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:30:51,337 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1|)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0))) is different from false [2023-05-20 04:30:53,350 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1|))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:30:53,406 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1|))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0))) is different from false [2023-05-20 04:30:53,414 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (select (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0))) is different from false [2023-05-20 04:30:55,463 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| (select (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 04:30:57,477 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse1 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (let ((.cse0 (+ .cse1 |c_~#cache~0.offset|))) (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse0 (select (select |c_#memory_int| |c_~#cache~0.base|) .cse0))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ .cse1 28 |c_~#cache~0.offset|))))) is different from false [2023-05-20 04:30:59,500 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse1 (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))) (or (= (select (let ((.cse0 (+ 28 |c_~#cache~0.offset| .cse1))) (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse0 (select (select |c_#memory_int| |c_~#cache~0.base|) .cse0))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 |c_~#cache~0.offset| .cse1))))) is different from false [2023-05-20 04:31:01,515 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse1 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (let ((.cse0 (+ .cse1 28 |c_~#cache~0.offset|))) (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse0 (select (select |c_#memory_int| |c_~#cache~0.base|) .cse0))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse1 |c_~#cache~0.offset|))))) is different from false [2023-05-20 04:31:03,560 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse0 |c_~#cache~0.offset|)) (= (select (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1384))) (.cse2 (+ .cse0 28 |c_~#cache~0.offset|))) (store (select (store .cse1 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select (select .cse1 |c_~#cache~0.base|) .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0)))) is different from false [2023-05-20 04:31:05,674 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse2 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (let ((.cse0 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| v_ArrVal_1384))) (.cse1 (+ .cse2 28 |c_~#cache~0.offset|))) (store (select (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse1 (select (select .cse0 |c_~#cache~0.base|) .cse1))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse2 |c_~#cache~0.offset|))))) is different from false [2023-05-20 04:31:07,690 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse1 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (let ((.cse0 (select |c_#memory_int| |c_~#cache~0.base|)) (.cse2 (+ .cse1 28 |c_~#cache~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse0 (+ .cse1 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select .cse0 .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse1 |c_~#cache~0.offset|))))) is different from false [2023-05-20 04:31:09,722 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (or (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int))) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse0 |c_~#cache~0.offset|)) (= (select (let ((.cse1 (select |c_#memory_int| |c_~#cache~0.base|)) (.cse2 (+ .cse0 28 |c_~#cache~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse1 (+ .cse0 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select .cse1 .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0)))) (not (<= (+ |c_t_funThread1of1ForFork0_#t~post41#1| 1) |v_t_funThread1of1ForFork0_~i~0#1_58|)))) is different from false [2023-05-20 04:31:11,738 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int)) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_58| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse0 |c_~#cache~0.offset|)) (= (select (let ((.cse1 (select |c_#memory_int| |c_~#cache~0.base|)) (.cse2 (+ .cse0 28 |c_~#cache~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse1 (+ .cse0 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select .cse1 .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0)))) is different from false [2023-05-20 04:31:13,814 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1379 Int) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse2 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_58| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (= (select (let ((.cse0 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1379)))) (let ((.cse1 (select .cse0 |c_~#cache~0.base|)) (.cse3 (+ .cse2 28 |c_~#cache~0.offset|))) (store (select (store (store .cse0 |c_~#cache~0.base| (store .cse1 (+ .cse2 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse3 (select .cse1 .cse3)))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse2 |c_~#cache~0.offset|))))) is different from false [2023-05-20 04:31:16,014 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1379 Int) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_58| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse0 |c_~#cache~0.offset|)) (= 0 (select (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| v_ArrVal_1379)))) (let ((.cse2 (select .cse1 |c_~#cache~0.base|)) (.cse3 (+ .cse0 28 |c_~#cache~0.offset|))) (store (select (store (store .cse1 |c_~#cache~0.base| (store .cse2 (+ .cse0 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse3 (select .cse2 .cse3)))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|))))) is different from false [2023-05-20 04:31:18,041 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1379 Int) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_58| (+ |c_t_funThread1of1ForFork0_~i~0#1| 1)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse0 |c_~#cache~0.offset|)) (= (select (let ((.cse1 (store (select |c_#memory_int| |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|) v_ArrVal_1379)) (.cse2 (+ .cse0 28 |c_~#cache~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse1 (+ .cse0 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select .cse1 .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0)))) is different from false [2023-05-20 04:31:20,075 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1379 Int) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse1 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (= (select (let ((.cse0 (store (select |c_#memory_int| |c_~#cache~0.base|) |c_~#cache~0.offset| v_ArrVal_1379)) (.cse2 (+ .cse1 28 |c_~#cache~0.offset|))) (store (select (store (store |c_#memory_int| |c_~#cache~0.base| (store .cse0 (+ .cse1 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse2 (select .cse0 .cse2))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse1 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_58| 1)))) is different from false [2023-05-20 04:31:22,121 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1384 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| Int) (v_ArrVal_1376 (Array Int Int)) (v_ArrVal_1385 (Array Int Int)) (v_ArrVal_1379 Int) (|v_t_funThread1of1ForFork0_~i~0#1_58| Int)) (let ((.cse2 (* |v_t_funThread1of1ForFork0_~i~0#1_58| 28))) (or (= (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1376))) (let ((.cse1 (store (select .cse0 |c_~#cache~0.base|) |c_~#cache~0.offset| v_ArrVal_1379)) (.cse3 (+ .cse2 28 |c_~#cache~0.offset|))) (store (select (store (store .cse0 |c_~#cache~0.base| (store .cse1 (+ .cse2 |c_~#cache~0.offset|) v_ArrVal_1384)) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1385) |c_~#cache~0.base|) .cse3 (select .cse1 .cse3)))) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_86| (+ 56 .cse2 |c_~#cache~0.offset|)) (< |v_t_funThread1of1ForFork0_~i~0#1_58| 1)))) is different from false [2023-05-20 04:31:23,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,197 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,199 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2023-05-20 04:31:23,202 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 04:31:23,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 74 [2023-05-20 04:31:23,290 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 04:31:23,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-05-20 04:31:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 139 not checked. [2023-05-20 04:31:23,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822730824] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 04:31:23,354 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 04:31:23,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 38, 34] total 97 [2023-05-20 04:31:23,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591747438] [2023-05-20 04:31:23,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 04:31:23,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-20 04:31:23,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:31:23,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-20 04:31:23,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=4907, Unknown=25, NotChecked=3818, Total=9312 [2023-05-20 04:31:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:31:23,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:31:23,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.11340206185567) internal successors, (496), 97 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 04:31:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:31:30,661 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 61 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:31:38,866 WARN L233 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 58 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:31:51,247 WARN L233 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 68 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:32:10,979 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 88 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:32:23,719 WARN L233 SmtUtils]: Spent 12.16s on a formula simplification. DAG size of input: 91 DAG size of output: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:32:30,727 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 86 DAG size of output: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:33:17,077 WARN L233 SmtUtils]: Spent 28.34s on a formula simplification. DAG size of input: 133 DAG size of output: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 04:33:51,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 04:34:09,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 04:34:10,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 04:34:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 04:34:11,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 04:34:11,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 04:34:11,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:34:11,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:34:11,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1344930039, now seen corresponding path program 4 times [2023-05-20 04:34:11,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:34:11,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45278046] [2023-05-20 04:34:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:34:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:34:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-20 04:41:19,952 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 04:41:19,964 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 04:41:20,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 04:41:20,426 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:304) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:776) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-20 04:41:20,436 INFO L158 Benchmark]: Toolchain (without parser) took 772466.65ms. Allocated memory was 179.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 154.8MB in the beginning and 403.6MB in the end (delta: -248.9MB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2023-05-20 04:41:20,437 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:41:20,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.92ms. Allocated memory is still 179.3MB. Free memory was 154.5MB in the beginning and 135.1MB in the end (delta: 19.4MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. [2023-05-20 04:41:20,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.95ms. Allocated memory is still 179.3MB. Free memory was 135.1MB in the beginning and 132.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:41:20,438 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 04:41:20,439 INFO L158 Benchmark]: RCFGBuilder took 573.42ms. Allocated memory is still 179.3MB. Free memory was 129.9MB in the beginning and 109.3MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-20 04:41:20,439 INFO L158 Benchmark]: TraceAbstraction took 771188.39ms. Allocated memory was 179.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 108.2MB in the beginning and 403.6MB in the end (delta: -295.4MB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2023-05-20 04:41:20,444 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 179.3MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 597.92ms. Allocated memory is still 179.3MB. Free memory was 154.5MB in the beginning and 135.1MB in the end (delta: 19.4MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.95ms. Allocated memory is still 179.3MB. Free memory was 135.1MB in the beginning and 132.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 573.42ms. Allocated memory is still 179.3MB. Free memory was 129.9MB in the beginning and 109.3MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 771188.39ms. Allocated memory was 179.3MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 108.2MB in the beginning and 403.6MB in the end (delta: -295.4MB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown [2023-05-20 04:41:20,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 04:41:20,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !SESSION 2023-05-20 04:28:24.706 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.16 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps "3,2 1,1 2,2" --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps "3,2 1,1 2,2" --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i !ENTRY org.eclipse.osgi 4 0 2023-05-20 04:41:20.877 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dbe8f54/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dbe8f54/.metadata/.log.