/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-95ec559 [2023-01-11 13:18:16,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-11 13:18:16,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-11 13:18:16,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-11 13:18:16,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-11 13:18:16,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-11 13:18:16,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-11 13:18:16,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-11 13:18:16,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-11 13:18:16,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-11 13:18:16,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-11 13:18:16,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-11 13:18:16,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-11 13:18:16,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-11 13:18:16,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-11 13:18:16,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-11 13:18:16,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-11 13:18:16,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-11 13:18:16,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-11 13:18:16,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-11 13:18:16,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-11 13:18:16,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-11 13:18:16,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-11 13:18:16,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-11 13:18:16,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-11 13:18:16,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-11 13:18:16,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-11 13:18:16,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-11 13:18:16,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-11 13:18:16,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-11 13:18:16,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-11 13:18:16,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-11 13:18:16,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-11 13:18:16,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-11 13:18:16,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-11 13:18:16,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-11 13:18:16,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-11 13:18:16,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-11 13:18:16,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-11 13:18:16,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-11 13:18:16,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-11 13:18:16,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf [2023-01-11 13:18:16,877 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-11 13:18:16,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-11 13:18:16,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-11 13:18:16,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-11 13:18:16,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-11 13:18:16,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-11 13:18:16,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * Use SBE=true [2023-01-11 13:18:16,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-11 13:18:16,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-11 13:18:16,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-11 13:18:16,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 13:18:16,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-11 13:18:16,881 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-11 13:18:16,882 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 13:18:17,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-11 13:18:17,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-11 13:18:17,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-11 13:18:17,111 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-11 13:18:17,112 INFO L275 PluginConnector]: CDTParser initialized [2023-01-11 13:18:17,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-01-11 13:18:18,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-11 13:18:18,403 INFO L351 CDTParser]: Found 1 translation units. [2023-01-11 13:18:18,404 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-01-11 13:18:18,410 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb22a4122/71fe53a398534eb0848f4018ed4f335a/FLAG13d894a0d [2023-01-11 13:18:18,421 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb22a4122/71fe53a398534eb0848f4018ed4f335a [2023-01-11 13:18:18,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-11 13:18:18,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-11 13:18:18,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-11 13:18:18,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-11 13:18:18,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-11 13:18:18,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66174e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18, skipping insertion in model container [2023-01-11 13:18:18,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-11 13:18:18,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-11 13:18:18,628 WARN L247 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-buffer-mult.wvr.c[4218,4231] [2023-01-11 13:18:18,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 13:18:18,648 INFO L203 MainTranslator]: Completed pre-run [2023-01-11 13:18:18,679 WARN L247 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-buffer-mult.wvr.c[4218,4231] [2023-01-11 13:18:18,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 13:18:18,689 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-11 13:18:18,689 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-11 13:18:18,694 INFO L208 MainTranslator]: Completed translation [2023-01-11 13:18:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18 WrapperNode [2023-01-11 13:18:18,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-11 13:18:18,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-11 13:18:18,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-11 13:18:18,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-11 13:18:18,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,745 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 315 [2023-01-11 13:18:18,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-11 13:18:18,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-11 13:18:18,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-11 13:18:18,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-11 13:18:18,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-11 13:18:18,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-11 13:18:18,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-11 13:18:18,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-11 13:18:18,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (1/1) ... [2023-01-11 13:18:18,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 13:18:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 13:18:18,846 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) [2023-01-11 13:18:18,854 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 [2023-01-11 13:18:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-11 13:18:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-11 13:18:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-11 13:18:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-11 13:18:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-11 13:18:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-11 13:18:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-11 13:18:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-11 13:18:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-11 13:18:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-11 13:18:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-11 13:18:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-11 13:18:18,878 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-11 13:18:18,967 INFO L236 CfgBuilder]: Building ICFG [2023-01-11 13:18:18,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-11 13:18:19,408 INFO L277 CfgBuilder]: Performing block encoding [2023-01-11 13:18:19,518 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-11 13:18:19,518 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-01-11 13:18:19,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:18:19 BoogieIcfgContainer [2023-01-11 13:18:19,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-11 13:18:19,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-11 13:18:19,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-11 13:18:19,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-11 13:18:19,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:18:18" (1/3) ... [2023-01-11 13:18:19,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa1ce7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:18:19, skipping insertion in model container [2023-01-11 13:18:19,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:18:18" (2/3) ... [2023-01-11 13:18:19,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa1ce7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:18:19, skipping insertion in model container [2023-01-11 13:18:19,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:18:19" (3/3) ... [2023-01-11 13:18:19,527 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2023-01-11 13:18:19,533 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-11 13:18:19,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-11 13:18:19,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-11 13:18:19,540 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-11 13:18:19,613 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-01-11 13:18:19,654 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 13:18:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 13:18:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 13:18:19,693 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) [2023-01-11 13:18:19,694 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 [2023-01-11 13:18:19,721 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 13:18:19,730 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 13:18:19,731 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 13:18:19,731 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 13:18:19,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-11 13:18:19,742 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;@470b564b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 13:18:19,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 13:18:20,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:20,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1259160800, now seen corresponding path program 1 times [2023-01-11 13:18:20,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:20,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719507700] [2023-01-11 13:18:20,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-01-11 13:18:21,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:21,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719507700] [2023-01-11 13:18:21,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719507700] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 13:18:21,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 13:18:21,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-11 13:18:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161742138] [2023-01-11 13:18:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 13:18:21,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-11 13:18:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 13:18:21,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-11 13:18:21,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-11 13:18:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:21,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 13:18:21,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 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) [2023-01-11 13:18:21,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:21,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-11 13:18:21,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1611017020, now seen corresponding path program 1 times [2023-01-11 13:18:21,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865802982] [2023-01-11 13:18:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-01-11 13:18:22,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:22,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865802982] [2023-01-11 13:18:22,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865802982] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 13:18:22,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 13:18:22,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-11 13:18:22,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584455449] [2023-01-11 13:18:22,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 13:18:22,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-11 13:18:22,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 13:18:22,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-11 13:18:22,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-01-11 13:18:22,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 13:18:22,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 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) [2023-01-11 13:18:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:22,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-11 13:18:22,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:22,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1930016108, now seen corresponding path program 1 times [2023-01-11 13:18:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:22,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778049157] [2023-01-11 13:18:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-01-11 13:18:22,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:22,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778049157] [2023-01-11 13:18:22,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778049157] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 13:18:22,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 13:18:22,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-11 13:18:22,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574812416] [2023-01-11 13:18:22,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 13:18:22,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-11 13:18:22,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 13:18:22,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-11 13:18:22,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-01-11 13:18:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 13:18:22,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 6 states have internal predecessors, (184), 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) [2023-01-11 13:18:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:22,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-11 13:18:23,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-11 13:18:23,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash -759388175, now seen corresponding path program 1 times [2023-01-11 13:18:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:23,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919431487] [2023-01-11 13:18:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-11 13:18:23,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:23,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919431487] [2023-01-11 13:18:23,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919431487] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 13:18:23,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947707785] [2023-01-11 13:18:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:23,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 13:18:23,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 13:18:23,795 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) [2023-01-11 13:18:23,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-11 13:18:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:23,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-11 13:18:23,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 13:18:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-11 13:18:24,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 13:18:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-11 13:18:24,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947707785] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 13:18:24,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 13:18:24,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-01-11 13:18:24,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806880048] [2023-01-11 13:18:24,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 13:18:24,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-11 13:18:24,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 13:18:24,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-11 13:18:24,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-01-11 13:18:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:24,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 13:18:24,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.210526315789474) internal successors, (270), 19 states have internal predecessors, (270), 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) [2023-01-11 13:18:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-11 13:18:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:25,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-11 13:18:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-11 13:18:25,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-11 13:18:25,661 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,SelfDestructingSolverStorable3 [2023-01-11 13:18:25,662 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:25,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1949531585, now seen corresponding path program 2 times [2023-01-11 13:18:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:25,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161621316] [2023-01-11 13:18:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-01-11 13:18:26,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:26,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161621316] [2023-01-11 13:18:26,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161621316] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 13:18:26,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216369799] [2023-01-11 13:18:26,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-11 13:18:26,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 13:18:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 13:18:26,029 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) [2023-01-11 13:18:26,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-11 13:18:26,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-11 13:18:26,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-11 13:18:26,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-11 13:18:26,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 13:18:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-01-11 13:18:26,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 13:18:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-01-11 13:18:26,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216369799] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-11 13:18:26,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-11 13:18:26,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-01-11 13:18:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136130884] [2023-01-11 13:18:26,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-11 13:18:26,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-11 13:18:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 13:18:26,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-11 13:18:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-01-11 13:18:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:26,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 13:18:26,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.789473684210526) internal successors, (281), 19 states have internal predecessors, (281), 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) [2023-01-11 13:18:26,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:26,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:26,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-11 13:18:26,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-01-11 13:18:26,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 13:18:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-11 13:18:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-11 13:18:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-11 13:18:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-01-11 13:18:27,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-01-11 13:18:27,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 13:18:27,951 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-11 13:18:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 13:18:27,951 INFO L85 PathProgramCache]: Analyzing trace with hash -551657954, now seen corresponding path program 3 times [2023-01-11 13:18:27,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 13:18:27,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692136973] [2023-01-11 13:18:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 13:18:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 13:18:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 13:18:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 13:18:34,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 13:18:34,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692136973] [2023-01-11 13:18:34,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692136973] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-11 13:18:34,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964269370] [2023-01-11 13:18:34,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-11 13:18:34,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 13:18:34,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 13:18:34,791 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) [2023-01-11 13:18:34,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-11 13:18:35,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-01-11 13:18:35,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-11 13:18:35,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 170 conjunts are in the unsatisfiable core [2023-01-11 13:18:35,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-11 13:18:35,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:36,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-01-11 13:18:37,757 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-01-11 13:18:37,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-01-11 13:18:38,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:38,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-01-11 13:18:40,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:40,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:40,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:40,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-11 13:18:42,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:18:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:18:42,917 INFO L321 Elim1Store]: treesize reduction 25, result has 32.4 percent of original size [2023-01-11 13:18:42,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 33 [2023-01-11 13:18:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 13:18:43,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-11 13:18:53,071 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:18:53,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 336 treesize of output 267 [2023-01-11 13:18:59,096 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:18:59,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 369 treesize of output 261 [2023-01-11 13:18:59,463 INFO L321 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2023-01-11 13:18:59,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1548554200 treesize of output 1531760648 [2023-01-11 13:19:15,640 WARN L222 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 5650 DAG size of output: 1048 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-01-11 13:19:15,662 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:19:16,106 INFO L321 Elim1Store]: treesize reduction 24, result has 91.3 percent of original size [2023-01-11 13:19:16,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 47500 treesize of output 46778 [2023-01-11 13:19:16,616 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:16,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:16,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:19:16,823 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:19:16,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 46528 treesize of output 45410 [2023-01-11 13:19:17,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:17,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:17,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:19:17,572 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:19:17,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 45160 treesize of output 34466 [2023-01-11 13:19:18,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:18,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:18,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:19:18,427 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:19:18,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 34216 treesize of output 31730 [2023-01-11 13:19:19,202 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:19,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:19,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-11 13:19:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-11 13:19:19,421 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-11 13:19:19,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 31480 treesize of output 26258 [2023-01-11 13:29:40,173 WARN L222 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 1432 DAG size of output: 1537 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-01-11 13:32:31,178 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-01-11 13:32:31,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-11 13:32:31,199 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 [2023-01-11 13:32:31,200 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 [2023-01-11 13:32:31,200 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 [2023-01-11 13:32:31,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-01-11 13:32:31,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-11 13:32:31,403 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 219 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 102ms.. [2023-01-11 13:32:31,411 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-01-11 13:32:31,412 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2023-01-11 13:32:31,414 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-11 13:32:31,414 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-11 13:32:31,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:32:31 BasicIcfg [2023-01-11 13:32:31,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-11 13:32:31,416 INFO L158 Benchmark]: Toolchain (without parser) took 852992.10ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 257.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 903.1MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,416 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-11 13:32:31,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.68ms. Allocated memory is still 292.6MB. Free memory was 257.7MB in the beginning and 245.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.43ms. Allocated memory is still 292.6MB. Free memory was 245.2MB in the beginning and 242.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,417 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 292.6MB. Free memory was 242.0MB in the beginning and 239.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,417 INFO L158 Benchmark]: RCFGBuilder took 718.51ms. Allocated memory is still 292.6MB. Free memory was 239.9MB in the beginning and 193.3MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,417 INFO L158 Benchmark]: TraceAbstraction took 851893.47ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 192.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 838.1MB. Max. memory is 8.0GB. [2023-01-11 13:32:31,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.68ms. Allocated memory is still 292.6MB. Free memory was 257.7MB in the beginning and 245.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.43ms. Allocated memory is still 292.6MB. Free memory was 245.2MB in the beginning and 242.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 292.6MB. Free memory was 242.0MB in the beginning and 239.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 718.51ms. Allocated memory is still 292.6MB. Free memory was 239.9MB in the beginning and 193.3MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 851893.47ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 192.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 838.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 61080, independent: 51700, independent conditional: 51700, independent unconditional: 0, dependent: 9380, dependent conditional: 9380, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 856, Positive cache size: 854, Positive conditional cache size: 0, Positive unconditional cache size: 854, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 9087, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 78518, independent: 65031, independent conditional: 65031, independent unconditional: 0, dependent: 13487, dependent conditional: 13487, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 882, Positive cache size: 880, Positive conditional cache size: 0, Positive unconditional cache size: 880, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 308, Maximal queried relation: 1, Independence queries for same thread: 22266, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 80963, independent: 67174, independent conditional: 67174, independent unconditional: 0, dependent: 13789, dependent conditional: 13789, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 953, Positive cache size: 950, Positive conditional cache size: 0, Positive unconditional cache size: 950, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 632, Maximal queried relation: 1, Independence queries for same thread: 35731, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 85139, independent: 70788, independent conditional: 70788, independent unconditional: 0, dependent: 14351, dependent conditional: 14351, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 1032, Positive cache size: 1028, Positive conditional cache size: 0, Positive unconditional cache size: 1028, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1037, Maximal queried relation: 2, Independence queries for same thread: 49693, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 99747, independent: 82550, independent conditional: 82550, independent unconditional: 0, dependent: 17197, dependent conditional: 17197, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1185, Positive conditional cache size: 0, Positive unconditional cache size: 1185, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1294, Maximal queried relation: 3, Independence queries for same thread: 66659, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 106912, independent: 89113, independent conditional: 89113, independent unconditional: 0, dependent: 17799, dependent conditional: 17799, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512359, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 86003, dependent conditional: 86003, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427901, independent: 426356, independent conditional: 426356, independent unconditional: 0, dependent: 1545, dependent conditional: 1545, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 1294, dependent unconditional: 1545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 429195, independent: 426356, independent conditional: 0, independent unconditional: 426356, dependent: 2839, dependent conditional: 0, dependent unconditional: 2839, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1320, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1314, independent conditional: 0, independent unconditional: 1314, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 429195, independent: 425040, independent conditional: 0, independent unconditional: 425040, dependent: 2835, dependent conditional: 0, dependent unconditional: 2835, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 1320, Positive cache size: 1316, Positive conditional cache size: 0, Positive unconditional cache size: 1316, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1294, Maximal queried relation: 3, Independence queries for same thread: 84458, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27799, independent: 25091, independent conditional: 25091, independent unconditional: 0, dependent: 2708, dependent conditional: 2708, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25649, independent: 25091, independent conditional: 25091, independent unconditional: 0, dependent: 558, dependent conditional: 558, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25649, independent: 25091, independent conditional: 25091, independent unconditional: 0, dependent: 558, dependent conditional: 558, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26207, independent: 25091, independent conditional: 0, independent unconditional: 25091, dependent: 1116, dependent conditional: 558, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26207, independent: 25091, independent conditional: 0, independent unconditional: 25091, dependent: 1116, dependent conditional: 216, dependent unconditional: 900, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26207, independent: 25091, independent conditional: 0, independent unconditional: 25091, dependent: 1116, dependent conditional: 216, dependent unconditional: 900, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 586, independent: 571, independent conditional: 0, independent unconditional: 571, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 586, independent: 569, independent conditional: 0, independent unconditional: 569, 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: 6, dependent unconditional: 9, 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: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 52, dependent conditional: 24, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26207, independent: 24520, independent conditional: 0, independent unconditional: 24520, dependent: 1101, dependent conditional: 210, dependent unconditional: 891, unknown: 586, unknown conditional: 6, unknown unconditional: 580] , Statistics on independence cache: Total cache size (in pairs): 586, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 2, Independence queries for same thread: 2150 - StatisticsResult: Traversal Statistics Data States: 1198, Transitions: 1812, Traversal time: 1066275681.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 1198, Transitions: 1818, Traversal time: 428529696.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 1205, Transitions: 1825, Traversal time: 570205217.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 1212, Transitions: 1832, Traversal time: 549407655.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 1220, Transitions: 1840, Traversal time: 954354244.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 1228, Transitions: 1848, Traversal time: 971796500.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 219 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 102ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 239 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 851700927711.0ns, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4559520391.0ns, FeasibilityCheckTime: 846444253433.0ns, RefinementTime: 27448974.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 16854526.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2124 SdHoareTripleChecker+Valid, 641740202.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2124 mSDsluCounter, 6476 SdHoareTripleChecker+Invalid, 496657832.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5228 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1313 IncrementalHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 1248 mSDtfsCounter, 1313 mSolverCounterSat, 32536255.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 109535034.0ns SsaConstructionTime, 355704917.0ns SatisfiabilityAnalysisTime, 2417440849.0ns InterpolantComputationTime, 1396 NumberOfCodeBlocks, 1396 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1799 ConstructedInterpolants, 0 QuantifiedInterpolants, 4085 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 218/238 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