/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 17:17:42,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 17:17:42,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 17:17:42,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 17:17:42,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 17:17:42,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 17:17:42,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 17:17:42,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 17:17:42,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 17:17:42,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 17:17:42,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 17:17:42,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 17:17:42,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 17:17:42,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 17:17:42,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 17:17:42,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 17:17:42,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 17:17:42,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 17:17:42,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 17:17:42,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 17:17:42,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 17:17:42,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 17:17:42,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 17:17:42,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 17:17:42,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 17:17:42,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 17:17:42,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 17:17:42,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 17:17:42,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 17:17:42,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 17:17:42,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 17:17:42,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 17:17:42,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 17:17:42,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 17:17:42,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 17:17:42,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 17:17:42,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 17:17:42,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 17:17:42,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 17:17:42,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 17:17:42,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 17:17:42,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 17:17:42,641 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 17:17:42,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 17:17:42,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 17:17:42,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 17:17:42,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 17:17:42,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 17:17:42,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 17:17:42,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 17:17:42,643 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 17:17:42,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 17:17:42,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 17:17:42,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 17:17:42,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 17:17:42,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 17:17:42,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 17:17:42,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:17:42,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 17:17:42,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 17:17:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 17:17:42,647 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 17:17:42,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 17:17:42,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 17:17:42,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 17:17:42,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 17:17:42,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 17:17:42,648 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 17:17:42,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 17:17:42,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 17:17:42,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 17:17:42,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 17:17:42,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 17:17:42,908 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 17:17:42,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2023-05-04 17:17:42,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964b81fdd/73096467118d460da59358d7e6d2308a/FLAG5faecf305 [2023-05-04 17:17:43,500 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 17:17:43,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2023-05-04 17:17:43,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964b81fdd/73096467118d460da59358d7e6d2308a/FLAG5faecf305 [2023-05-04 17:17:43,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964b81fdd/73096467118d460da59358d7e6d2308a [2023-05-04 17:17:43,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 17:17:43,946 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 17:17:43,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 17:17:43,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 17:17:43,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 17:17:43,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:17:43" (1/1) ... [2023-05-04 17:17:43,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3add604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:43, skipping insertion in model container [2023-05-04 17:17:43,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:17:43" (1/1) ... [2023-05-04 17:17:43,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 17:17:44,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 17:17:44,383 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_71-funloop_racing.i[41323,41336] [2023-05-04 17:17:44,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:17:44,434 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 17:17:44,476 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_71-funloop_racing.i[41323,41336] [2023-05-04 17:17:44,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:17:44,542 INFO L208 MainTranslator]: Completed translation [2023-05-04 17:17:44,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44 WrapperNode [2023-05-04 17:17:44,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 17:17:44,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 17:17:44,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 17:17:44,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 17:17:44,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,614 INFO L138 Inliner]: procedures = 271, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 244 [2023-05-04 17:17:44,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 17:17:44,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 17:17:44,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 17:17:44,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 17:17:44,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 17:17:44,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 17:17:44,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 17:17:44,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 17:17:44,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (1/1) ... [2023-05-04 17:17:44,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:17:44,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:44,693 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) [2023-05-04 17:17:44,697 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 [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 17:17:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 17:17:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-04 17:17:44,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-04 17:17:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 17:17:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 17:17:44,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 17:17:44,724 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 17:17:44,858 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 17:17:44,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 17:17:45,182 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 17:17:45,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 17:17:45,193 INFO L300 CfgBuilder]: Removed 35 assume(true) statements. [2023-05-04 17:17:45,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:17:45 BoogieIcfgContainer [2023-05-04 17:17:45,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 17:17:45,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 17:17:45,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 17:17:45,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 17:17:45,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:17:43" (1/3) ... [2023-05-04 17:17:45,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b85687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:17:45, skipping insertion in model container [2023-05-04 17:17:45,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:17:44" (2/3) ... [2023-05-04 17:17:45,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b85687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:17:45, skipping insertion in model container [2023-05-04 17:17:45,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:17:45" (3/3) ... [2023-05-04 17:17:45,208 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2023-05-04 17:17:45,216 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 17:17:45,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 17:17:45,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-05-04 17:17:45,225 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 17:17:45,329 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-05-04 17:17:45,385 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:17:45,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 17:17:45,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:45,390 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) [2023-05-04 17:17:45,402 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 [2023-05-04 17:17:45,437 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 17:17:45,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-05-04 17:17:45,459 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;@1a31832, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:17:45,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 17:17:45,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:45,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:45,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1854981855, now seen corresponding path program 1 times [2023-05-04 17:17:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:45,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739922501] [2023-05-04 17:17:45,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 17:17:46,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:46,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739922501] [2023-05-04 17:17:46,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739922501] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:17:46,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:17:46,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 17:17:46,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055775] [2023-05-04 17:17:46,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:17:46,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 17:17:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:46,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 17:17:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 17:17:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:46,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:17:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 17:17:46,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:46,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:46,099 INFO L85 PathProgramCache]: Analyzing trace with hash -321704155, now seen corresponding path program 1 times [2023-05-04 17:17:46,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:46,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342164861] [2023-05-04 17:17:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 17:17:46,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:46,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342164861] [2023-05-04 17:17:46,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342164861] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:17:46,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:17:46,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 17:17:46,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944222070] [2023-05-04 17:17:46,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:17:46,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 17:17:46,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:46,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 17:17:46,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 17:17:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:46,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:17:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:46,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 17:17:46,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:46,356 INFO L85 PathProgramCache]: Analyzing trace with hash -177607978, now seen corresponding path program 1 times [2023-05-04 17:17:46,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:46,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364773544] [2023-05-04 17:17:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 17:17:46,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:46,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364773544] [2023-05-04 17:17:46,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364773544] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:46,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953588800] [2023-05-04 17:17:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:46,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:46,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:46,565 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) [2023-05-04 17:17:46,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 17:17:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:46,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 17:17:46,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:46,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 17:17:46,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953588800] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:17:46,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 17:17:46,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-04 17:17:46,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051594633] [2023-05-04 17:17:46,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:17:46,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 17:17:46,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:46,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 17:17:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:17:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:46,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:17:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:46,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 17:17:47,121 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,SelfDestructingSolverStorable2 [2023-05-04 17:17:47,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:47,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1594522611, now seen corresponding path program 1 times [2023-05-04 17:17:47,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:47,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220020824] [2023-05-04 17:17:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:47,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:47,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220020824] [2023-05-04 17:17:47,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220020824] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:47,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702686462] [2023-05-04 17:17:47,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:47,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:47,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:47,285 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) [2023-05-04 17:17:47,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 17:17:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:47,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 17:17:47,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 17:17:47,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 17:17:47,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702686462] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:17:47,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 17:17:47,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-04 17:17:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620547572] [2023-05-04 17:17:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:17:47,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 17:17:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 17:17:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:17:47,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:47,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2023-05-04 17:17:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 17:17:47,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:47,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:47,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:47,674 INFO L85 PathProgramCache]: Analyzing trace with hash -102039675, now seen corresponding path program 1 times [2023-05-04 17:17:47,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:47,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276915179] [2023-05-04 17:17:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:47,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:47,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:47,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276915179] [2023-05-04 17:17:47,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276915179] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:47,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941873213] [2023-05-04 17:17:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:47,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:47,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:47,790 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) [2023-05-04 17:17:47,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 17:17:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:47,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 17:17:47,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:47,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:17:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:47,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941873213] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:17:47,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 17:17:47,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 17:17:47,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431292277] [2023-05-04 17:17:47,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 17:17:47,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 17:17:47,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:47,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 17:17:47,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 17:17:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:47,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 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) [2023-05-04 17:17:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:17:48,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 17:17:48,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:48,253 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1090180645, now seen corresponding path program 2 times [2023-05-04 17:17:48,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:48,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284884386] [2023-05-04 17:17:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-04 17:17:48,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:48,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284884386] [2023-05-04 17:17:48,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284884386] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:48,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358329923] [2023-05-04 17:17:48,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 17:17:48,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:48,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:48,354 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) [2023-05-04 17:17:48,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 17:17:48,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 17:17:48,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 17:17:48,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 17:17:48,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:48,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:17:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 17:17:48,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358329923] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:17:48,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 17:17:48,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2023-05-04 17:17:48,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914292109] [2023-05-04 17:17:48,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 17:17:48,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 17:17:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 17:17:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2023-05-04 17:17:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:48,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.368421052631579) internal successors, (178), 19 states have internal predecessors, (178), 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) [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:17:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:17:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:17:48,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 17:17:49,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:49,170 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:49,170 INFO L85 PathProgramCache]: Analyzing trace with hash -469236522, now seen corresponding path program 1 times [2023-05-04 17:17:49,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:49,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815147600] [2023-05-04 17:17:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 17:17:49,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:49,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815147600] [2023-05-04 17:17:49,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815147600] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:49,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524527020] [2023-05-04 17:17:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:49,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:49,489 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) [2023-05-04 17:17:49,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 17:17:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:49,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 17:17:49,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 17:17:49,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:17:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 17:17:49,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524527020] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:17:49,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 17:17:49,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-05-04 17:17:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173784485] [2023-05-04 17:17:49,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 17:17:49,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-04 17:17:49,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:17:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-04 17:17:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-05-04 17:17:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:49,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:17:49,911 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) [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:17:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:17:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:17:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:17:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:17:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 17:17:50,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 17:17:50,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:50,417 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:17:50,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:17:50,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1389809253, now seen corresponding path program 2 times [2023-05-04 17:17:50,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:17:50,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925188452] [2023-05-04 17:17:50,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:17:50,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:17:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:17:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-05-04 17:17:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:17:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925188452] [2023-05-04 17:17:50,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925188452] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:17:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715348439] [2023-05-04 17:17:50,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 17:17:50,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:17:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:17:50,905 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) [2023-05-04 17:17:50,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 17:17:51,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 17:17:51,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 17:17:51,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 17:17:51,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:17:51,052 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 [2023-05-04 17:17:51,351 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 17:17:51,352 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 [2023-05-04 17:17:51,394 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 [2023-05-04 17:17:51,461 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 [2023-05-04 17:17:51,546 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 [2023-05-04 17:17:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-05-04 17:17:51,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:18:07,698 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_451 (Array Int Int))) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_451) |c_~#cache~0.base|))) is different from false [2023-05-04 17:18:08,106 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-04 17:18:08,107 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 [2023-05-04 17:18:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 1 not checked. [2023-05-04 17:18:08,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715348439] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:18:08,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 17:18:08,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2023-05-04 17:18:08,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65027043] [2023-05-04 17:18:08,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 17:18:08,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 17:18:08,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:18:08,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 17:18:08,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=355, Unknown=7, NotChecked=38, Total=462 [2023-05-04 17:18:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:08,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:18:08,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.5) internal successors, (143), 22 states have internal predecessors, (143), 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) [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 17:18:08,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:18:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 17:18:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:18:08,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 17:18:08,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:18:08,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 17:18:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:18:08,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1858054801, now seen corresponding path program 1 times [2023-05-04 17:18:08,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:18:08,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763551519] [2023-05-04 17:18:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:18:08,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:18:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:18:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-04 17:18:12,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:18:12,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763551519] [2023-05-04 17:18:12,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763551519] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 17:18:12,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113758439] [2023-05-04 17:18:12,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:18:12,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:18:12,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:18:12,505 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) [2023-05-04 17:18:12,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 17:18:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:18:12,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-04 17:18:12,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:18:12,725 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 [2023-05-04 17:18:13,067 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 17:18:13,068 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 [2023-05-04 17:18:13,118 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 [2023-05-04 17:18:13,165 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 [2023-05-04 17:18:13,565 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 [2023-05-04 17:18:13,688 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 [2023-05-04 17:18:24,636 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 [2023-05-04 17:18:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-05-04 17:18:24,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:18:30,725 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ 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_34|) 0))) is different from false [2023-05-04 17:18:32,552 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ (* |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_34|) 0))) is different from false [2023-05-04 17:18:34,602 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int) (v_ArrVal_567 Int)) (or (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ (* |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_567)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34|) 0))) is different from false [2023-05-04 17:18:36,731 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int) (v_ArrVal_567 Int)) (or (= (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_36| v_ArrVal_567)) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) (not (<= |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)))) is different from false [2023-05-04 17:18:41,112 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| Int) (v_ArrVal_564 (Array Int Int)) (v_ArrVal_567 Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_564) |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| v_ArrVal_567) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34|) 0) (< |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_34| (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_36| 28)))) is different from false [2023-05-04 17:18:41,884 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 17:18:41,885 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 [2023-05-04 17:18:41,929 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-04 17:18:41,929 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 [2023-05-04 17:18:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 18 not checked. [2023-05-04 17:18:41,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113758439] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:18:41,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 17:18:41,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 19] total 54 [2023-05-04 17:18:41,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629900409] [2023-05-04 17:18:41,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 17:18:41,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 17:18:41,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:18:41,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 17:18:41,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=2092, Unknown=18, NotChecked=490, Total=2862 [2023-05-04 17:18:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:41,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:18:41,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.592592592592593) internal successors, (356), 54 states have internal predecessors, (356), 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) [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 17:18:41,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:18:41,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:18:58,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 17:18:58,332 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,SelfDestructingSolverStorable8 [2023-05-04 17:18:58,333 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: at most one deprecated predicate at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:973) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:768) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:219) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:203) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:154) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:236) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:73) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:592) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-04 17:18:58,335 INFO L158 Benchmark]: Toolchain (without parser) took 74389.34ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 216.6MB in the beginning and 221.2MB in the end (delta: -4.6MB). Peak memory consumption was 44.1MB. Max. memory is 8.0GB. [2023-05-04 17:18:58,335 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 17:18:58,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.30ms. Allocated memory is still 245.4MB. Free memory was 216.6MB in the beginning and 194.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-05-04 17:18:58,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.35ms. Allocated memory is still 245.4MB. Free memory was 194.3MB in the beginning and 191.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 17:18:58,336 INFO L158 Benchmark]: Boogie Preprocessor took 48.96ms. Allocated memory is still 245.4MB. Free memory was 191.6MB in the beginning and 189.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 17:18:58,336 INFO L158 Benchmark]: RCFGBuilder took 530.52ms. Allocated memory is still 245.4MB. Free memory was 189.0MB in the beginning and 168.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-04 17:18:58,336 INFO L158 Benchmark]: TraceAbstraction took 73136.72ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 167.5MB in the beginning and 221.2MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 17:18:58,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 593.30ms. Allocated memory is still 245.4MB. Free memory was 216.6MB in the beginning and 194.3MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.35ms. Allocated memory is still 245.4MB. Free memory was 194.3MB in the beginning and 191.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.96ms. Allocated memory is still 245.4MB. Free memory was 191.6MB in the beginning and 189.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 530.52ms. Allocated memory is still 245.4MB. Free memory was 189.0MB in the beginning and 168.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 73136.72ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 167.5MB in the beginning and 221.2MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: at most one deprecated predicate de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: at most one deprecated predicate: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:973) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 17:18:58,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-04 17:18:58,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...