/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 11:42:43,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 11:42:43,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 11:42:43,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 11:42:43,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 11:42:43,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 11:42:43,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 11:42:43,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 11:42:43,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 11:42:43,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 11:42:43,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 11:42:43,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 11:42:43,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 11:42:43,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 11:42:43,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 11:42:43,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 11:42:43,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 11:42:43,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 11:42:43,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 11:42:43,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 11:42:43,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 11:42:43,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 11:42:43,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 11:42:43,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 11:42:43,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 11:42:43,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 11:42:43,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 11:42:43,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 11:42:43,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 11:42:43,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 11:42:43,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 11:42:43,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 11:42:43,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 11:42:43,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 11:42:43,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 11:42:43,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 11:42:43,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 11:42:43,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 11:42:43,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 11:42:43,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 11:42:43,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 11:42:43,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 11:42:43,738 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 11:42:43,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 11:42:43,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 11:42:43,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 11:42:43,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 11:42:43,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 11:42:43,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 11:42:43,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 11:42:43,740 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 11:42:43,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 11:42:43,741 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 11:42:43,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 11:42:43,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 11:42:43,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 11:42:43,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 11:42:43,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:42:43,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 11:42:43,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 11:42:43,744 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 11:42:43,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 11:42:43,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 11:42:43,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 11:42:43,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 11:42:43,958 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 11:42:43,958 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 11:42:43,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-05-20 11:42:44,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99696e7/7d402ef6492e4b0aa7da2542e18ddcbf/FLAG1ec34db93 [2023-05-20 11:42:44,478 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 11:42:44,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-05-20 11:42:44,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99696e7/7d402ef6492e4b0aa7da2542e18ddcbf/FLAG1ec34db93 [2023-05-20 11:42:44,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99696e7/7d402ef6492e4b0aa7da2542e18ddcbf [2023-05-20 11:42:44,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 11:42:44,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 11:42:44,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 11:42:44,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 11:42:44,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 11:42:44,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d78001f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44, skipping insertion in model container [2023-05-20 11:42:44,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 11:42:44,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 11:42:44,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-05-20 11:42:44,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:42:44,762 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 11:42:44,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-05-20 11:42:44,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:42:44,805 INFO L208 MainTranslator]: Completed translation [2023-05-20 11:42:44,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44 WrapperNode [2023-05-20 11:42:44,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 11:42:44,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 11:42:44,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 11:42:44,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 11:42:44,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,862 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2023-05-20 11:42:44,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 11:42:44,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 11:42:44,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 11:42:44,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 11:42:44,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 11:42:44,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 11:42:44,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 11:42:44,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 11:42:44,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (1/1) ... [2023-05-20 11:42:44,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:42:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:42:44,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 11:42:44,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 11:42:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 11:42:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 11:42:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 11:42:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 11:42:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 11:42:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 11:42:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 11:42:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 11:42:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 11:42:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 11:42:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 11:42:44,994 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 11:42:45,151 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 11:42:45,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 11:42:45,649 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 11:42:45,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 11:42:45,904 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 11:42:45,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:42:45 BoogieIcfgContainer [2023-05-20 11:42:45,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 11:42:45,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 11:42:45,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 11:42:45,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 11:42:45,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 11:42:44" (1/3) ... [2023-05-20 11:42:45,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ddbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:42:45, skipping insertion in model container [2023-05-20 11:42:45,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:42:44" (2/3) ... [2023-05-20 11:42:45,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ddbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:42:45, skipping insertion in model container [2023-05-20 11:42:45,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:42:45" (3/3) ... [2023-05-20 11:42:45,918 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-05-20 11:42:45,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 11:42:45,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 11:42:45,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 11:42:45,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 11:42:46,052 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 11:42:46,114 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:42:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 11:42:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:42:46,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 11:42:46,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 11:42:46,156 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 11:42:46,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 11:42:46,182 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bbeb4c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:42:46,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 11:42:46,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 11:42:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:42:46,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2057793131, now seen corresponding path program 1 times [2023-05-20 11:42:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:42:46,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832643781] [2023-05-20 11:42:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:42:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:42:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 11:42:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:42:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832643781] [2023-05-20 11:42:46,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832643781] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:42:46,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:42:46,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 11:42:46,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615708291] [2023-05-20 11:42:46,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:42:46,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 11:42:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:42:46,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 11:42:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 11:42:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:46,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:42:46,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 11:42:46,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:46,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:46,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 11:42:46,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 11:42:46,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:42:46,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2056189250, now seen corresponding path program 1 times [2023-05-20 11:42:46,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:42:46,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709286492] [2023-05-20 11:42:46,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:46,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:42:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:42:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 11:42:47,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:42:47,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709286492] [2023-05-20 11:42:47,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709286492] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:42:47,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:42:47,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 11:42:47,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245363603] [2023-05-20 11:42:47,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:42:47,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 11:42:47,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:42:47,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 11:42:47,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 11:42:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:47,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:42:47,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 11:42:47,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:47,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:42:47,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 11:42:47,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 11:42:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:42:47,589 INFO L85 PathProgramCache]: Analyzing trace with hash -75165160, now seen corresponding path program 1 times [2023-05-20 11:42:47,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:42:47,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764491763] [2023-05-20 11:42:47,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:42:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:42:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 11:42:48,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:42:48,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764491763] [2023-05-20 11:42:48,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764491763] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:42:48,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943068430] [2023-05-20 11:42:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:42:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:42:48,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:42:48,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 11:42:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:42:48,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 11:42:48,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:42:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 11:42:48,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:42:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 11:42:48,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943068430] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:42:48,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:42:48,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 11:42:48,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015398436] [2023-05-20 11:42:48,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:42:48,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 11:42:48,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:42:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 11:42:48,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-20 11:42:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:48,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:42:48,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.583333333333334) internal successors, (230), 24 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 11:42:48,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:48,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:42:48,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:49,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:42:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:42:49,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 11:42:49,511 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 [2023-05-20 11:42:49,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 11:42:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:42:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash 995439422, now seen corresponding path program 2 times [2023-05-20 11:42:49,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:42:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520493119] [2023-05-20 11:42:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:42:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:42:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 11:42:50,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:42:50,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520493119] [2023-05-20 11:42:50,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520493119] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:42:50,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738420588] [2023-05-20 11:42:50,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 11:42:50,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:42:50,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:42:50,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:42:50,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 11:42:50,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 11:42:50,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:42:50,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 11:42:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:42:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 11:42:50,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:42:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 11:42:50,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738420588] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:42:50,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:42:50,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-20 11:42:50,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991170471] [2023-05-20 11:42:50,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:42:50,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-20 11:42:50,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:42:50,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-20 11:42:50,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 11:42:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:50,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:42:50,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.0) internal successors, (272), 34 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 11:42:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:42:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:42:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:42:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 11:42:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:42:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 11:42:51,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 11:42:51,633 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 [2023-05-20 11:42:51,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 11:42:51,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:42:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash 625265944, now seen corresponding path program 3 times [2023-05-20 11:42:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:42:51,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353027126] [2023-05-20 11:42:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:42:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:42:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:43:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:43:04,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:43:04,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353027126] [2023-05-20 11:43:04,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353027126] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:43:04,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142586045] [2023-05-20 11:43:04,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 11:43:04,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:43:04,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:43:04,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:43:04,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 11:43:05,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 11:43:05,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:43:05,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 203 conjunts are in the unsatisfiable core [2023-05-20 11:43:05,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:43:05,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 11:43:05,297 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 11:43:05,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 11:43:06,055 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 11:43:06,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 11:43:08,988 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 15 treesize of output 11 [2023-05-20 11:43:10,089 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 6 treesize of output 5 [2023-05-20 11:43:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:10,752 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 11:43:10,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-05-20 11:43:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:11,472 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 11:43:11,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2023-05-20 11:43:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:14,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:14,406 INFO L356 Elim1Store]: treesize reduction 168, result has 50.1 percent of original size [2023-05-20 11:43:14,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 9 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 87 treesize of output 187 [2023-05-20 11:43:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 11:43:15,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:43:29,014 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:43:29,014 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 335 treesize of output 204 [2023-05-20 11:43:30,343 INFO L356 Elim1Store]: treesize reduction 547, result has 22.2 percent of original size [2023-05-20 11:43:30,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 1507318 treesize of output 1261713 [2023-05-20 11:43:33,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:33,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:33,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:33,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:33,623 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:43:33,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 1247214 treesize of output 821314 [2023-05-20 11:43:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,200 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:35,415 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:43:35,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 6 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 36 case distinctions, treesize of input 821230 treesize of output 643114 [2023-05-20 11:43:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:37,077 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:37,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:37,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:37,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 11:43:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:43:37,261 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:43:37,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 25 case distinctions, treesize of input 643030 treesize of output 356394 Received shutdown request... [2023-05-20 11:56:50,928 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-20 11:56:50,930 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 11:56:50,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 11:56:50,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:56:50,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:56:50,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:56:51,131 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 [2023-05-20 11:56:51,132 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-20 11:56:51,133 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 11:56:51,133 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 11:56:51,134 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 11:56:51,138 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-05-20 11:56:51,140 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 11:56:51,141 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 11:56:51,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 11:56:51 BasicIcfg [2023-05-20 11:56:51,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 11:56:51,144 INFO L158 Benchmark]: Toolchain (without parser) took 846625.11ms. Allocated memory was 217.1MB in the beginning and 1.1GB in the end (delta: 850.4MB). Free memory was 186.4MB in the beginning and 860.6MB in the end (delta: -674.2MB). Peak memory consumption was 673.7MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,144 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 217.1MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 11:56:51,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.34ms. Allocated memory was 217.1MB in the beginning and 312.5MB in the end (delta: 95.4MB). Free memory was 186.2MB in the beginning and 279.9MB in the end (delta: -93.7MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 312.5MB. Free memory was 279.9MB in the beginning and 277.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,145 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 312.5MB. Free memory was 277.0MB in the beginning and 274.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,145 INFO L158 Benchmark]: RCFGBuilder took 993.94ms. Allocated memory is still 312.5MB. Free memory was 274.9MB in the beginning and 214.9MB in the end (delta: 60.0MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,145 INFO L158 Benchmark]: TraceAbstraction took 845231.70ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 213.4MB in the beginning and 860.6MB in the end (delta: -647.2MB). Peak memory consumption was 605.8MB. Max. memory is 8.0GB. [2023-05-20 11:56:51,147 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 217.1MB. Free memory is still 172.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.34ms. Allocated memory was 217.1MB in the beginning and 312.5MB in the end (delta: 95.4MB). Free memory was 186.2MB in the beginning and 279.9MB in the end (delta: -93.7MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 312.5MB. Free memory was 279.9MB in the beginning and 277.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 312.5MB. Free memory was 277.0MB in the beginning and 274.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 993.94ms. Allocated memory is still 312.5MB. Free memory was 274.9MB in the beginning and 214.9MB in the end (delta: 60.0MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * TraceAbstraction took 845231.70ms. Allocated memory was 312.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 213.4MB in the beginning and 860.6MB in the end (delta: -647.2MB). Peak memory consumption was 605.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3156, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 330, dependent conditional: 315, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1648, independent: 1633, independent conditional: 0, independent unconditional: 1633, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1648, independent: 1631, independent conditional: 0, independent unconditional: 1631, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2841, independent: 1193, independent conditional: 0, independent unconditional: 1193, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1648, unknown conditional: 0, unknown unconditional: 1648] , Statistics on independence cache: Total cache size (in pairs): 1648, Positive cache size: 1633, Positive conditional cache size: 0, Positive unconditional cache size: 1633, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 315 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 187, Number of trivial persistent sets: 162, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1935, independent: 1920, independent conditional: 0, independent unconditional: 1920, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3156, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 330, dependent conditional: 315, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 906, independent unconditional: 1920, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2841, independent: 2826, independent conditional: 0, independent unconditional: 2826, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1648, independent: 1633, independent conditional: 0, independent unconditional: 1633, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1648, independent: 1631, independent conditional: 0, independent unconditional: 1631, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2841, independent: 1193, independent conditional: 0, independent unconditional: 1193, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1648, unknown conditional: 0, unknown unconditional: 1648] , Statistics on independence cache: Total cache size (in pairs): 1648, Positive cache size: 1633, Positive conditional cache size: 0, Positive unconditional cache size: 1633, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 315 - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 214 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1098 NumberOfCodeBlocks, 1098 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1470 ConstructedInterpolants, 0 QuantifiedInterpolants, 3730 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1098 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 359/396 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown