/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -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 16:20:02,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:20:02,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:20:02,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:20:02,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:20:02,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:20:02,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:20:02,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:20:02,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:20:02,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:20:02,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:20:02,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:20:02,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:20:02,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:20:02,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:20:02,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:20:02,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:20:02,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:20:02,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:20:02,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:20:02,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:20:02,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:20:02,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:20:02,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:20:02,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 16:20:02,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:20:02,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:20:02,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:20:02,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:20:02,876 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:20:02,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:20:02,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:20:02,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:20:02,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:20:02,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:20:02,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:20:02,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:20:02,878 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:20:02,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:20:02,878 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:20:02,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:20:02,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:20:02,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:20:02,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:20:02,881 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:20:02,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:20:03,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:20:03,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:20:03,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:20:03,107 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:20:03,109 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:20:03,110 INFO L432 ainManager$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 16:20:03,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7acda17/d692d0b1ffb142c3ba1d2947ac435b61/FLAG41b016e67 [2023-05-20 16:20:03,586 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:20:03,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2023-05-20 16:20:03,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7acda17/d692d0b1ffb142c3ba1d2947ac435b61/FLAG41b016e67 [2023-05-20 16:20:03,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7acda17/d692d0b1ffb142c3ba1d2947ac435b61 [2023-05-20 16:20:03,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:20:03,649 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:20:03,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:20:03,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:20:03,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:20:03,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:20:03" (1/1) ... [2023-05-20 16:20:03,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77180043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:03, skipping insertion in model container [2023-05-20 16:20:03,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:20:03" (1/1) ... [2023-05-20 16:20:03,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:20:03,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:20:04,178 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 16:20:04,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:20:04,231 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:20:04,280 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 16:20:04,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:20:04,357 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:20:04,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04 WrapperNode [2023-05-20 16:20:04,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:20:04,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:20:04,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:20:04,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:20:04,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,416 INFO L138 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 247 [2023-05-20 16:20:04,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:20:04,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:20:04,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:20:04,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:20:04,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:20:04,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:20:04,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:20:04,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:20:04,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (1/1) ... [2023-05-20 16:20:04,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:20:04,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:04,488 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 16:20:04,511 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 16:20:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:20:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:20:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:20:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:20:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 16:20:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:20:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-20 16:20:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-20 16:20:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:20:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:20:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:20:04,538 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 16:20:04,697 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:20:04,699 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:20:05,110 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:20:05,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:20:05,119 INFO L300 CfgBuilder]: Removed 35 assume(true) statements. [2023-05-20 16:20:05,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:20:05 BoogieIcfgContainer [2023-05-20 16:20:05,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:20:05,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:20:05,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:20:05,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:20:05,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:20:03" (1/3) ... [2023-05-20 16:20:05,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8eba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:20:05, skipping insertion in model container [2023-05-20 16:20:05,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:20:04" (2/3) ... [2023-05-20 16:20:05,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8eba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:20:05, skipping insertion in model container [2023-05-20 16:20:05,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:20:05" (3/3) ... [2023-05-20 16:20:05,133 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_73-funloop_hard_racefree.i [2023-05-20 16:20:05,140 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:20:05,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:20:05,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-05-20 16:20:05,149 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:20:05,233 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-05-20 16:20:05,281 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:20:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:20:05,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:05,283 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 16:20:05,287 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 16:20:05,314 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:20:05,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-05-20 16:20:05,338 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;@23f10700, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:20:05,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 16:20:05,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:05,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1548190902, now seen corresponding path program 1 times [2023-05-20 16:20:05,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:05,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071772396] [2023-05-20 16:20:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-05-20 16:20:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:06,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071772396] [2023-05-20 16:20:06,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071772396] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:20:06,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:20:06,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:20:06,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927552418] [2023-05-20 16:20:06,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:20:06,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:20:06,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:06,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:20:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:20:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:06,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:06,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 16:20:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:06,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:20:06,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1399768447, now seen corresponding path program 1 times [2023-05-20 16:20:06,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:06,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337581929] [2023-05-20 16:20:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-05-20 16:20:06,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:06,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337581929] [2023-05-20 16:20:06,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337581929] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:06,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578296539] [2023-05-20 16:20:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:06,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:06,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:06,624 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 16:20:06,798 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 16:20:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:06,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-20 16:20:06,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-05-20 16:20:07,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 16:20:07,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578296539] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:20:07,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:20:07,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-20 16:20:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631980428] [2023-05-20 16:20:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:20:07,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:20:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:07,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:20:07,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 16:20:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:07,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:07,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 16:20:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 16:20:07,438 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 16:20:07,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:07,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:07,439 INFO L85 PathProgramCache]: Analyzing trace with hash -275475340, now seen corresponding path program 1 times [2023-05-20 16:20:07,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:07,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627730005] [2023-05-20 16:20:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:07,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627730005] [2023-05-20 16:20:07,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627730005] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:07,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222792242] [2023-05-20 16:20:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:07,712 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 16:20:07,734 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 16:20:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:07,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-20 16:20:07,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-20 16:20:07,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 16:20:07,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222792242] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:20:07,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:20:07,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-20 16:20:07,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126184054] [2023-05-20 16:20:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:20:07,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:20:07,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:07,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:20:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 16:20:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:07,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:07,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 16:20:07,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,009 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 16:20:08,205 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 16:20:08,206 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:08,206 INFO L85 PathProgramCache]: Analyzing trace with hash -516327819, now seen corresponding path program 1 times [2023-05-20 16:20:08,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:08,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117210074] [2023-05-20 16:20:08,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:08,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:08,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:08,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117210074] [2023-05-20 16:20:08,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117210074] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:08,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211894997] [2023-05-20 16:20:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:08,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:08,427 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 16:20:08,444 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 16:20:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:08,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 16:20:08,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:08,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:20:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:08,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211894997] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:20:08,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:20:08,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 16:20:08,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259400097] [2023-05-20 16:20:08,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:20:08,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 16:20:08,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 16:20:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 16:20:08,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:08,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:08,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 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 16:20:08,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:08,838 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 16:20:09,038 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 16:20:09,038 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:09,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1817736341, now seen corresponding path program 2 times [2023-05-20 16:20:09,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:09,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746548249] [2023-05-20 16:20:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:09,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-05-20 16:20:09,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:09,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746548249] [2023-05-20 16:20:09,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746548249] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:09,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054354616] [2023-05-20 16:20:09,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:20:09,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:09,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:09,235 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 16:20:09,240 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 16:20:09,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:20:09,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:20:09,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:20:09,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:09,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:20:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-05-20 16:20:09,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054354616] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:20:09,592 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:20:09,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-05-20 16:20:09,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833329055] [2023-05-20 16:20:09,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:20:09,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 16:20:09,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:09,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 16:20:09,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-05-20 16:20:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:09,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:09,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 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 16:20:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:09,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:09,872 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 16:20:10,059 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 16:20:10,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash -690061599, now seen corresponding path program 1 times [2023-05-20 16:20:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:10,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234476654] [2023-05-20 16:20:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:20:10,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:10,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234476654] [2023-05-20 16:20:10,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234476654] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:10,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146555188] [2023-05-20 16:20:10,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:10,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:10,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:10,379 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 16:20:10,399 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 16:20:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:10,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 16:20:10,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:20:10,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:20:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 16:20:10,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146555188] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:20:10,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:20:10,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-05-20 16:20:10,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932593251] [2023-05-20 16:20:10,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:20:10,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-20 16:20:10,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:10,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-20 16:20:10,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-05-20 16:20:10,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:10,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:10,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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 16:20:10,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:20:11,136 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 16:20:11,333 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 16:20:11,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:11,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash 619162302, now seen corresponding path program 2 times [2023-05-20 16:20:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:11,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292400904] [2023-05-20 16:20:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:11,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 16:20:11,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:11,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292400904] [2023-05-20 16:20:11,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292400904] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:11,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099653422] [2023-05-20 16:20:11,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:20:11,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:11,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:20:11,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 16:20:11,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:20:11,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:20:11,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 16:20:11,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:12,024 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 16:20:12,346 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 16:20:12,346 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 16:20:12,387 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 16:20:12,504 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 16:20:12,538 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 14 treesize of output 10 [2023-05-20 16:20:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 16:20:12,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:20:20,665 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_829 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_829) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2023-05-20 16:20:22,708 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_829 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_829) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2023-05-20 16:20:22,717 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_829 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_829) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2023-05-20 16:20:23,227 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 9 treesize of output 7 [2023-05-20 16:20:23,253 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 16:20:23,253 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 16:20:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 5 not checked. [2023-05-20 16:20:23,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099653422] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:20:23,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:20:23,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-05-20 16:20:23,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334762850] [2023-05-20 16:20:23,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:20:23,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 16:20:23,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:23,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 16:20:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=361, Unknown=6, NotChecked=120, Total=552 [2023-05-20 16:20:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:23,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:23,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.666666666666667) internal successors, (160), 24 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 16:20:23,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:23,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:23,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:23,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:23,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:23,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:20:23,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:29,359 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 23 DAG size of output: 18 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:20:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:20:31,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 16:20:31,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:31,798 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:31,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash -2118492515, now seen corresponding path program 1 times [2023-05-20 16:20:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:31,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995245893] [2023-05-20 16:20:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 16:20:33,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:33,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995245893] [2023-05-20 16:20:33,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995245893] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:33,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563740073] [2023-05-20 16:20:33,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:33,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:33,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:33,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:20:33,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 16:20:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:33,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-20 16:20:33,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:33,778 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 16:20:34,064 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 16:20:34,065 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 16:20:34,109 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 16:20:34,221 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 16:20:34,456 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 14 treesize of output 10 [2023-05-20 16:20:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-05-20 16:20:34,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:20:40,786 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_910 (Array Int Int)) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_910) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2023-05-20 16:20:41,197 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 9 treesize of output 7 [2023-05-20 16:20:41,230 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 16:20:41,230 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 16:20:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 239 trivial. 8 not checked. [2023-05-20 16:20:41,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563740073] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:20:41,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:20:41,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 14] total 40 [2023-05-20 16:20:41,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605953593] [2023-05-20 16:20:41,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:20:41,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 16:20:41,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:20:41,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 16:20:41,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1320, Unknown=3, NotChecked=74, Total=1560 [2023-05-20 16:20:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:41,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:20:41,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.5) internal successors, (260), 40 states have internal predecessors, (260), 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 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:20:41,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:20:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:20:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:20:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:20:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:20:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:20:42,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:20:42,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 16:20:42,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-20 16:20:42,920 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:20:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:20:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1151407817, now seen corresponding path program 1 times [2023-05-20 16:20:42,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:20:42,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705047373] [2023-05-20 16:20:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:20:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 10 proven. 98 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 16:20:46,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:20:46,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705047373] [2023-05-20 16:20:46,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705047373] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:20:46,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771386406] [2023-05-20 16:20:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:20:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:20:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:20:46,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:20:46,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 16:20:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:20:47,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-20 16:20:47,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:20:47,073 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 16:20:47,394 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 16:20:47,395 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 16:20:47,444 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 16:20:47,602 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 16:20:47,971 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 16:20:48,088 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 16:20:57,603 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 16:20:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 11 proven. 72 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-05-20 16:20:57,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:21:03,601 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| (+ 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_51|) 0))) is different from false [2023-05-20 16:21:05,472 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| (+ (* |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_51|) 0))) is different from false [2023-05-20 16:21:07,521 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| Int) (v_ArrVal_1043 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| (+ (* |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| v_ArrVal_1043)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51|) 0))) is different from false [2023-05-20 16:21:09,638 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| Int) (v_ArrVal_1043 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_53| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (= (select (select (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_53| v_ArrVal_1043)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51|) 0) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_53| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) is different from false [2023-05-20 16:21:16,136 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| Int) (v_ArrVal_1039 (Array Int Int)) (v_ArrVal_1043 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_53| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1039) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_53| v_ArrVal_1043) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_51| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_53| 28)))) is different from false [2023-05-20 16:21:16,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 16:21:16,993 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 9 treesize of output 7 [2023-05-20 16:21:17,041 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 16:21:17,041 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 16:21:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 260 trivial. 46 not checked. [2023-05-20 16:21:17,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771386406] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:21:17,046 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:21:17,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 21, 19] total 58 [2023-05-20 16:21:17,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008398626] [2023-05-20 16:21:17,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:21:17,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-20 16:21:17,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:21:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-20 16:21:17,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=2465, Unknown=17, NotChecked=530, Total=3306 [2023-05-20 16:21:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:21:17,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:21:17,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 7.0) internal successors, (406), 58 states have internal predecessors, (406), 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 16:21:17,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:21:17,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:21:17,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:21:17,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:21:17,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:21:17,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:21:17,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:21:17,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:21:17,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:21:53,385 WARN L233 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 80 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:22:00,383 WARN L233 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 118 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:22:12,302 WARN L233 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 109 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:22:29,678 WARN L233 SmtUtils]: Spent 15.79s on a formula simplification. DAG size of input: 87 DAG size of output: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:22:44,363 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 98 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:24:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:24:51,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-20 16:24:51,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 16:24:51,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:24:51,273 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:24:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:24:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1050622548, now seen corresponding path program 2 times [2023-05-20 16:24:51,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:24:51,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978811297] [2023-05-20 16:24:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:24:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:24:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:25:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 30 proven. 389 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-20 16:25:09,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:25:09,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978811297] [2023-05-20 16:25:09,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978811297] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:25:09,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765065508] [2023-05-20 16:25:09,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:25:09,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:25:09,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:25:09,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:25:09,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 16:25:09,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:25:09,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:25:09,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-20 16:25:09,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:25:09,400 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 16:25:09,684 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 16:25:09,684 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 16:25:09,735 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 16:25:09,900 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 16:25:10,418 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 16:25:10,551 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 16:25:53,340 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 16:25:56,418 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 24 treesize of output 19 [2023-05-20 16:28:23,395 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 20 treesize of output 16 [2023-05-20 16:28:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 36 proven. 370 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-05-20 16:28:23,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:28:29,672 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 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_62|) 0))) is different from false [2023-05-20 16:28:31,682 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int)) (or (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)))) is different from false [2023-05-20 16:28:33,775 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int)) (or (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 |c_~#cache~0.offset| (* |c_t_funThread1of1ForFork0_#t~post41#1| 28))))) is different from false [2023-05-20 16:28:35,786 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int)) (or (= (select (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)))) is different from false [2023-05-20 16:28:37,825 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (v_ArrVal_1244 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 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| v_ArrVal_1244)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0))) is different from false [2023-05-20 16:28:39,919 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (= (select (select (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_66| v_ArrVal_1244)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) is different from false [2023-05-20 16:28:41,945 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 .cse0 |c_~#cache~0.offset|)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)))) is different from false [2023-05-20 16:30:33,722 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int) (|v_t_funThread1of1ForFork0_~i~0#1_47| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_47| 28))) (or (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_~i~0#1_47| (+ |c_t_funThread1of1ForFork0_#t~post41#1| 2)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 .cse0 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)))) is different from false [2023-05-20 16:30:35,740 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int) (|v_t_funThread1of1ForFork0_~i~0#1_47| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_47| 28))) (or (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_~i~0#1_47| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 .cse0 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)))) is different from false [2023-05-20 16:30:36,789 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int) (v_ArrVal_1239 Int) (|v_t_funThread1of1ForFork0_~i~0#1_47| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_47| 28))) (or (= (select (store (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_1239)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_~i~0#1_47| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 .cse0 |c_~#cache~0.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)))) is different from false [2023-05-20 16:30:39,033 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1244 Int) (v_ArrVal_1239 Int) (|v_t_funThread1of1ForFork0_~i~0#1_47| Int)) (let ((.cse0 (* |v_t_funThread1of1ForFork0_~i~0#1_47| 28))) (or (< |v_t_funThread1of1ForFork0_~i~0#1_47| (+ 2 |c_t_funThread1of1ForFork0_~i~0#1|)) (= (select (store (select (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_70| v_ArrVal_1239)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 .cse0 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|)))) is different from false [2023-05-20 16:30:47,912 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| Int) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1244 Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_1239 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1236))) (or (= (select (store (store (select .cse0 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70| v_ArrVal_1239) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66| v_ArrVal_1244) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62|) 0) (not (= (select (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 112 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_70|)) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_62| (+ 56 |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_66|))))) is different from false [2023-05-20 16:30:49,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 16:30:49,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 16:30:49,463 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 16:30:49,464 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 33 treesize of output 32 [2023-05-20 16:30:49,523 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-20 16:30:49,523 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 16:30:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 248 trivial. 271 not checked. [2023-05-20 16:30:49,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765065508] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:30:49,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:30:49,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 34, 32] total 94 [2023-05-20 16:30:49,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731562466] [2023-05-20 16:30:49,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:30:49,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-20 16:30:49,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:30:49,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-20 16:30:49,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=617, Invalid=5883, Unknown=190, NotChecked=2052, Total=8742 [2023-05-20 16:30:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:30:49,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:30:49,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 7.468085106382978) internal successors, (702), 94 states have internal predecessors, (702), 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 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-20 16:30:49,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:33:23,532 WARN L233 SmtUtils]: Spent 8.17s on a formula simplification. DAG size of input: 126 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:33:54,849 WARN L233 SmtUtils]: Spent 15.58s on a formula simplification. DAG size of input: 143 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 16:34:18,718 WARN L233 SmtUtils]: Spent 8.17s on a formula simplification. DAG size of input: 142 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-20 16:34:24,030 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 16:34:24,030 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 16:34:24,030 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 16:34:24,868 WARN L249 SmtUtils]: Removed 3 from assertion stack [2023-05-20 16:34:24,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 16:34:25,061 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 16:34:25,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 16:34:25,069 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 126 for 1ms.. [2023-05-20 16:34:25,071 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 16:34:25,075 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2023-05-20 16:34:25,076 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2023-05-20 16:34:25,077 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:34:25,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:34:25,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:34:25 BasicIcfg [2023-05-20 16:34:25,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:34:25,080 INFO L158 Benchmark]: Toolchain (without parser) took 861430.89ms. Allocated memory was 188.7MB in the beginning and 483.4MB in the end (delta: 294.6MB). Free memory was 158.8MB in the beginning and 315.8MB in the end (delta: -157.1MB). Peak memory consumption was 137.5MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,080 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:34:25,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.51ms. Allocated memory was 188.7MB in the beginning and 268.4MB in the end (delta: 79.7MB). Free memory was 158.6MB in the beginning and 217.3MB in the end (delta: -58.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.68ms. Allocated memory is still 268.4MB. Free memory was 217.3MB in the beginning and 214.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,085 INFO L158 Benchmark]: Boogie Preprocessor took 34.31ms. Allocated memory is still 268.4MB. Free memory was 214.7MB in the beginning and 212.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,087 INFO L158 Benchmark]: RCFGBuilder took 668.44ms. Allocated memory is still 268.4MB. Free memory was 212.1MB in the beginning and 191.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,087 INFO L158 Benchmark]: TraceAbstraction took 859956.34ms. Allocated memory was 268.4MB in the beginning and 483.4MB in the end (delta: 215.0MB). Free memory was 190.1MB in the beginning and 315.8MB in the end (delta: -125.8MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. [2023-05-20 16:34:25,097 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 188.7MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 705.51ms. Allocated memory was 188.7MB in the beginning and 268.4MB in the end (delta: 79.7MB). Free memory was 158.6MB in the beginning and 217.3MB in the end (delta: -58.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.68ms. Allocated memory is still 268.4MB. Free memory was 217.3MB in the beginning and 214.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.31ms. Allocated memory is still 268.4MB. Free memory was 214.7MB in the beginning and 212.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 668.44ms. Allocated memory is still 268.4MB. Free memory was 212.1MB in the beginning and 191.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 859956.34ms. Allocated memory was 268.4MB in the beginning and 483.4MB in the end (delta: 215.0MB). Free memory was 190.1MB in the beginning and 315.8MB in the end (delta: -125.8MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21040, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 1826, dependent conditional: 1779, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19276, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 62, dependent conditional: 15, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19276, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 62, dependent conditional: 15, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 14, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12175, independent: 12128, independent conditional: 0, independent unconditional: 12128, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12175, independent: 12099, independent conditional: 0, independent unconditional: 12099, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, independent: 130, independent conditional: 0, independent unconditional: 130, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19290, independent: 7086, independent conditional: 0, independent unconditional: 7086, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 12175, unknown conditional: 0, unknown unconditional: 12175] , Statistics on independence cache: Total cache size (in pairs): 12175, Positive cache size: 12128, Positive conditional cache size: 0, Positive unconditional cache size: 12128, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 1, Independence queries for same thread: 1764 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 431, Number of trivial persistent sets: 336, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17174, independent: 17127, independent conditional: 0, independent unconditional: 17127, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21040, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 1826, dependent conditional: 1779, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19276, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 62, dependent conditional: 15, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19276, independent: 19214, independent conditional: 2087, independent unconditional: 17127, dependent: 62, dependent conditional: 15, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 14, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19290, independent: 19214, independent conditional: 0, independent unconditional: 19214, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12175, independent: 12128, independent conditional: 0, independent unconditional: 12128, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12175, independent: 12099, independent conditional: 0, independent unconditional: 12099, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, independent: 130, independent conditional: 0, independent unconditional: 130, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19290, independent: 7086, independent conditional: 0, independent unconditional: 7086, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 12175, unknown conditional: 0, unknown unconditional: 12175] , Statistics on independence cache: Total cache size (in pairs): 12175, Positive cache size: 12128, Positive conditional cache size: 0, Positive unconditional cache size: 12128, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 1, Independence queries for same thread: 1764 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 126 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 269 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 859.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 440.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 415.0s InterpolantComputationTime, 3678 NumberOfCodeBlocks, 3678 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5003 ConstructedInterpolants, 836 QuantifiedInterpolants, 151728 SizeOfPredicates, 115 NumberOfNonLiveVariables, 4090 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 26 InterpolantComputations, 3 PerfectInterpolantSequences, 4310/6167 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown