/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 06:28:30,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:28:30,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:28:30,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:28:30,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:28:30,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:28:30,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:28:30,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:28:30,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:28:30,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:28:30,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:28:30,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:28:30,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:28:30,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:28:30,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:28:30,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:28:30,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:28:30,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:28:30,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:28:30,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:28:30,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:28:30,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:28:30,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:28:30,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:28:30,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:28:30,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:28:30,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:28:30,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:28:30,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:28:30,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:28:30,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:28:30,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:28:30,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:28:30,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:28:30,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:28:30,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:28:30,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:28:30,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:28:30,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:28:30,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:28:30,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:28:30,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 06:28:30,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:28:30,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:28:30,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 06:28:30,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 06:28:30,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:28:30,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 06:28:30,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:28:30,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:28:30,797 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 06:28:30,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:28:30,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:28:30,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:28:30,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 06:28:30,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:28:30,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 06:28:30,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:28:30,801 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 06:28:30,801 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 06:28:30,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 06:28:31,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:28:31,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:28:31,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:28:31,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:28:31,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:28:31,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-11-16 06:28:31,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e85957a/16375cbf01ec451e9d7d1f72dcda1132/FLAG737210cee [2022-11-16 06:28:31,512 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:28:31,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-11-16 06:28:31,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e85957a/16375cbf01ec451e9d7d1f72dcda1132/FLAG737210cee [2022-11-16 06:28:31,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e85957a/16375cbf01ec451e9d7d1f72dcda1132 [2022-11-16 06:28:31,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:28:31,532 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 06:28:31,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:28:31,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:28:31,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:28:31,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f69355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31, skipping insertion in model container [2022-11-16 06:28:31,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:28:31,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:28:31,762 WARN L233 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-mts.wvr.c[2533,2546] [2022-11-16 06:28:31,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:28:31,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:28:31,827 WARN L233 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-mts.wvr.c[2533,2546] [2022-11-16 06:28:31,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:28:31,842 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:28:31,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31 WrapperNode [2022-11-16 06:28:31,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:28:31,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:28:31,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:28:31,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:28:31,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,880 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 225 [2022-11-16 06:28:31,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:28:31,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:28:31,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:28:31,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:28:31,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:28:31,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:28:31,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:28:31,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:28:31,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (1/1) ... [2022-11-16 06:28:31,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:28:31,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:28:31,952 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) [2022-11-16 06:28:31,954 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 [2022-11-16 06:28:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 06:28:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:28:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:28:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:28:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 06:28:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 06:28:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 06:28:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 06:28:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 06:28:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 06:28:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 06:28:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 06:28:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 06:28:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 06:28:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:28:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:28:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:28:31,982 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 06:28:32,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:28:32,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:28:32,436 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:28:32,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:28:32,563 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 06:28:32,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:28:32 BoogieIcfgContainer [2022-11-16 06:28:32,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:28:32,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 06:28:32,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 06:28:32,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 06:28:32,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:28:31" (1/3) ... [2022-11-16 06:28:32,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62666f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:28:32, skipping insertion in model container [2022-11-16 06:28:32,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:31" (2/3) ... [2022-11-16 06:28:32,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62666f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:28:32, skipping insertion in model container [2022-11-16 06:28:32,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:28:32" (3/3) ... [2022-11-16 06:28:32,573 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2022-11-16 06:28:32,580 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 06:28:32,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 06:28:32,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 06:28:32,588 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 06:28:32,686 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 06:28:32,751 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:28:32,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 06:28:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:28:32,758 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) [2022-11-16 06:28:32,759 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 [2022-11-16 06:28:32,784 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 06:28:32,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 06:28:32,799 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;@1421a089, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:28:32,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 06:28:33,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:28:33,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:33,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2044141741, now seen corresponding path program 1 times [2022-11-16 06:28:33,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:28:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666755157] [2022-11-16 06:28:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:33,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:33,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:28:33,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666755157] [2022-11-16 06:28:33,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666755157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:28:33,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:28:33,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 06:28:33,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746366911] [2022-11-16 06:28:33,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:28:33,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 06:28:33,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:28:33,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 06:28:33,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 06:28:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:33,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:28:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:28:33,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:33,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 06:28:33,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:28:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:33,402 INFO L85 PathProgramCache]: Analyzing trace with hash -348072018, now seen corresponding path program 1 times [2022-11-16 06:28:33,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:28:33,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222080198] [2022-11-16 06:28:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:33,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:33,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:28:33,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222080198] [2022-11-16 06:28:33,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222080198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:28:33,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:28:33,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 06:28:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199740467] [2022-11-16 06:28:33,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:28:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 06:28:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:28:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 06:28:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 06:28:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:33,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:28:33,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 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) [2022-11-16 06:28:33,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:33,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:34,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 06:28:34,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:28:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:34,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1269743248, now seen corresponding path program 1 times [2022-11-16 06:28:34,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:28:34,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828876299] [2022-11-16 06:28:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:34,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:34,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:28:34,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828876299] [2022-11-16 06:28:34,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828876299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:28:34,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145227628] [2022-11-16 06:28:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:28:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:28:34,409 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) [2022-11-16 06:28:34,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 06:28:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:34,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 06:28:34,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:34,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:28:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:34,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145227628] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 06:28:34,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 06:28:34,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-16 06:28:34,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26720739] [2022-11-16 06:28:34,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:28:34,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 06:28:34,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:28:34,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 06:28:34,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-16 06:28:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:34,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:28:34,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 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) [2022-11-16 06:28:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:34,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:28:35,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 06:28:35,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 06:28:35,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:28:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 525202096, now seen corresponding path program 1 times [2022-11-16 06:28:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:28:35,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70777949] [2022-11-16 06:28:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:35,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:28:35,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70777949] [2022-11-16 06:28:35,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70777949] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:28:35,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997490683] [2022-11-16 06:28:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:35,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:28:35,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:28:35,587 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) [2022-11-16 06:28:35,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 06:28:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:35,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 06:28:35,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:36,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:28:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:36,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997490683] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 06:28:36,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 06:28:36,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2022-11-16 06:28:36,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504863276] [2022-11-16 06:28:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:28:36,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 06:28:36,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:28:36,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 06:28:36,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-16 06:28:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:36,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:28:36,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 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) [2022-11-16 06:28:36,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:36,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:36,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:28:36,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:28:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:28:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:28:36,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 06:28:36,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:28:36,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:28:36,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:36,777 INFO L85 PathProgramCache]: Analyzing trace with hash -435993521, now seen corresponding path program 1 times [2022-11-16 06:28:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:28:36,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564834009] [2022-11-16 06:28:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:40,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:28:40,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564834009] [2022-11-16 06:28:40,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564834009] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:28:40,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725719654] [2022-11-16 06:28:40,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:28:40,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:28:40,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:28:40,692 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) [2022-11-16 06:28:40,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 06:28:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:40,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-16 06:28:40,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:41,805 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 [2022-11-16 06:28:42,495 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 [2022-11-16 06:28:42,724 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 [2022-11-16 06:28:42,951 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 [2022-11-16 06:28:44,288 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:28:44,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 61 treesize of output 35 [2022-11-16 06:28:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:44,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:29:00,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,819 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 100 treesize of output 76 [2022-11-16 06:29:00,832 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 940 treesize of output 910 [2022-11-16 06:29:00,849 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,850 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 900 treesize of output 798 [2022-11-16 06:29:00,867 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,867 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 788 treesize of output 770 [2022-11-16 06:29:00,886 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,886 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 760 treesize of output 714 [2022-11-16 06:29:03,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:03,079 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 67 treesize of output 55 [2022-11-16 06:29:03,101 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 06:29:03,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1275 treesize of output 1231 [2022-11-16 06:29:03,127 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 06:29:03,127 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 1227 treesize of output 1103 [2022-11-16 06:29:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:29:03,150 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 519 [2022-11-16 06:29:03,168 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 06:29:03,169 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 1035 treesize of output 1007 [2022-11-16 06:30:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:01,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725719654] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:30:01,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:30:01,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 43, 39] total 112 [2022-11-16 06:30:01,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940263802] [2022-11-16 06:30:01,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:30:01,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-11-16 06:30:01,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:01,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-11-16 06:30:01,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1052, Invalid=11267, Unknown=113, NotChecked=0, Total=12432 [2022-11-16 06:30:01,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:01,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 3.8392857142857144) internal successors, (430), 112 states have internal predecessors, (430), 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) [2022-11-16 06:30:01,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:01,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:01,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:01,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:01,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-16 06:30:22,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 06:30:22,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:22,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:30:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:30:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash -464966124, now seen corresponding path program 2 times [2022-11-16 06:30:22,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:30:22,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379517360] [2022-11-16 06:30:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:22,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:23,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:30:23,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379517360] [2022-11-16 06:30:23,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379517360] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:30:23,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108300280] [2022-11-16 06:30:23,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 06:30:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:30:23,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:30:23,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 06:30:23,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 06:30:23,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:30:23,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 06:30:23,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:23,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:30:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:24,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108300280] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:30:24,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:30:24,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-11-16 06:30:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668235553] [2022-11-16 06:30:24,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:30:24,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-16 06:30:24,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:24,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-16 06:30:24,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2022-11-16 06:30:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:24,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:24,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.266666666666667) internal successors, (278), 30 states have internal predecessors, (278), 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) [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-16 06:30:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-16 06:30:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:25,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 06:30:25,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:25,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:30:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:30:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1240392185, now seen corresponding path program 3 times [2022-11-16 06:30:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:30:25,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338809206] [2022-11-16 06:30:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:25,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:30:25,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338809206] [2022-11-16 06:30:25,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338809206] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:30:25,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25680107] [2022-11-16 06:30:25,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 06:30:25,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:25,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:30:25,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:30:25,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 06:30:25,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 06:30:25,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:30:25,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 06:30:25,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:26,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:30:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:26,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25680107] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:30:26,272 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:30:26,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-16 06:30:26,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559805863] [2022-11-16 06:30:26,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:30:26,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 06:30:26,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 06:30:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-16 06:30:26,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:26,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:26,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.0) internal successors, (336), 24 states have internal predecessors, (336), 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) [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:26,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:27,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-16 06:30:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:27,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 06:30:27,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:27,706 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:30:27,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:30:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1597133964, now seen corresponding path program 1 times [2022-11-16 06:30:27,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:30:27,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785252669] [2022-11-16 06:30:27,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:27,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:28,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:30:28,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785252669] [2022-11-16 06:30:28,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785252669] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:30:28,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282027941] [2022-11-16 06:30:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:28,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:30:28,106 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:30:28,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 06:30:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:28,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 06:30:28,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:30:28,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 06:30:28,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282027941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:30:28,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 06:30:28,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2022-11-16 06:30:28,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033076597] [2022-11-16 06:30:28,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:30:28,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 06:30:28,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:28,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 06:30:28,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2022-11-16 06:30:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:28,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:28,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 10 states have internal predecessors, (182), 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) [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:28,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:30:29,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 06:30:29,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:29,207 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:30:29,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:30:29,208 INFO L85 PathProgramCache]: Analyzing trace with hash -293769261, now seen corresponding path program 1 times [2022-11-16 06:30:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:30:29,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509879677] [2022-11-16 06:30:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:29,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:30:29,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509879677] [2022-11-16 06:30:29,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509879677] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:30:29,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086694618] [2022-11-16 06:30:29,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:29,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:29,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:30:29,716 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:30:29,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 06:30:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:29,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 06:30:29,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:30,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:30:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:30,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086694618] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:30:30,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:30:30,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 39 [2022-11-16 06:30:30,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204522021] [2022-11-16 06:30:30,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:30:30,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-16 06:30:30,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:30,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-16 06:30:30,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2022-11-16 06:30:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:30,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:30,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 12.692307692307692) internal successors, (495), 39 states have internal predecessors, (495), 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) [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:30,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:30:30,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:30:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 06:30:33,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 06:30:34,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 06:30:34,160 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:30:34,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:30:34,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1758877342, now seen corresponding path program 1 times [2022-11-16 06:30:34,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:30:34,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428327103] [2022-11-16 06:30:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:37,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:30:37,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428327103] [2022-11-16 06:30:37,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428327103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:30:37,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740379271] [2022-11-16 06:30:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:30:37,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:30:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:30:37,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:30:37,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 06:30:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:37,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-16 06:30:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:39,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:39,651 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:39,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 58 treesize of output 29 [2022-11-16 06:30:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:39,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:30:41,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:41,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 103 treesize of output 59 [2022-11-16 06:30:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:42,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740379271] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:30:42,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:30:42,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 35, 30] total 92 [2022-11-16 06:30:42,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210996439] [2022-11-16 06:30:42,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:30:42,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-11-16 06:30:42,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:30:42,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-11-16 06:30:42,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=858, Invalid=7514, Unknown=0, NotChecked=0, Total=8372 [2022-11-16 06:30:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:42,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:30:42,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.684782608695652) internal successors, (431), 92 states have internal predecessors, (431), 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) [2022-11-16 06:30:42,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 06:30:42,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-11-16 06:31:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 06:31:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 06:31:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:31:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 06:31:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-16 06:31:07,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 06:31:08,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 06:31:08,037 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:31:08,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:31:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1230036718, now seen corresponding path program 4 times [2022-11-16 06:31:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:31:08,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624691292] [2022-11-16 06:31:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:31:08,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:31:08,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:31:08,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624691292] [2022-11-16 06:31:08,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624691292] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:31:08,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298177661] [2022-11-16 06:31:08,268 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 06:31:08,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:31:08,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:31:08,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:31:08,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 06:31:08,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 06:31:08,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:31:08,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 06:31:08,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:31:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:31:08,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:31:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:31:08,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298177661] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:31:08,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:31:08,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-16 06:31:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627229301] [2022-11-16 06:31:08,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:31:08,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 06:31:08,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:31:08,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 06:31:08,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-11-16 06:31:08,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:08,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:31:08,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.083333333333334) internal successors, (314), 24 states have internal predecessors, (314), 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) [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-16 06:31:08,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-16 06:31:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:31:09,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 06:31:10,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 06:31:10,046 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:31:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:31:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1396209595, now seen corresponding path program 5 times [2022-11-16 06:31:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:31:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706936022] [2022-11-16 06:31:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:31:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:10,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:31:10,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706936022] [2022-11-16 06:31:10,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706936022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:31:10,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321452135] [2022-11-16 06:31:10,336 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 06:31:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:31:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:31:10,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:31:10,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 06:31:10,467 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-11-16 06:31:10,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:31:10,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 06:31:10,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:31:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 06:31:10,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:31:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 06:31:11,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321452135] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 06:31:11,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 06:31:11,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2022-11-16 06:31:11,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802649788] [2022-11-16 06:31:11,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 06:31:11,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-16 06:31:11,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:31:11,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-16 06:31:11,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2022-11-16 06:31:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:11,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:31:11,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.310344827586206) internal successors, (386), 29 states have internal predecessors, (386), 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) [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:31:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:31:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-11-16 06:31:13,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-16 06:31:13,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 06:31:13,875 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:31:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:31:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1683411420, now seen corresponding path program 6 times [2022-11-16 06:31:13,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:31:13,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096123482] [2022-11-16 06:31:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:31:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:20,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:31:20,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096123482] [2022-11-16 06:31:20,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096123482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:31:20,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228181300] [2022-11-16 06:31:20,187 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 06:31:20,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:31:20,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:31:20,188 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:31:20,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 06:31:20,320 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-16 06:31:20,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 06:31:20,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-16 06:31:20,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:31:21,468 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 13 treesize of output 9 [2022-11-16 06:31:21,915 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 [2022-11-16 06:31:22,130 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 [2022-11-16 06:31:22,360 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 [2022-11-16 06:31:27,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:27,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 129 treesize of output 175 [2022-11-16 06:31:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:31,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:31:45,275 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:45,276 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 192 treesize of output 132 [2022-11-16 06:31:45,307 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-16 06:31:45,307 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 6005 treesize of output 5677 [2022-11-16 06:31:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:31:45,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:31:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:31:45,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2837 treesize of output 2597 [2022-11-16 06:31:45,418 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-16 06:31:45,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5429 treesize of output 4477 [2022-11-16 06:31:45,484 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-16 06:31:45,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4469 treesize of output 3997 Received shutdown request... [2022-11-16 06:42:09,375 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-11-16 06:42:09,376 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 [2022-11-16 06:42:09,376 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 [2022-11-16 06:42:09,377 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 06:42:09,382 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 06:42:09,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 06:42:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 06:42:09,578 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 7ms.. [2022-11-16 06:42:09,582 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 06:42:09,583 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2022-11-16 06:42:09,585 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 06:42:09,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 06:42:09,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:42:09 BasicIcfg [2022-11-16 06:42:09,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 06:42:09,587 INFO L158 Benchmark]: Toolchain (without parser) took 818055.11ms. Allocated memory was 200.3MB in the beginning and 1.0GB in the end (delta: 802.2MB). Free memory was 168.5MB in the beginning and 484.4MB in the end (delta: -315.9MB). Peak memory consumption was 682.4MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,587 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 200.3MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 06:42:09,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.37ms. Allocated memory was 200.3MB in the beginning and 265.3MB in the end (delta: 65.0MB). Free memory was 168.2MB in the beginning and 232.4MB in the end (delta: -64.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.65ms. Allocated memory is still 265.3MB. Free memory was 232.2MB in the beginning and 230.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,588 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 265.3MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,588 INFO L158 Benchmark]: RCFGBuilder took 658.35ms. Allocated memory is still 265.3MB. Free memory was 227.9MB in the beginning and 190.9MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,588 INFO L158 Benchmark]: TraceAbstraction took 817019.26ms. Allocated memory was 265.3MB in the beginning and 1.0GB in the end (delta: 737.1MB). Free memory was 190.3MB in the beginning and 484.4MB in the end (delta: -294.0MB). Peak memory consumption was 639.0MB. Max. memory is 8.0GB. [2022-11-16 06:42:09,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 200.3MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 310.37ms. Allocated memory was 200.3MB in the beginning and 265.3MB in the end (delta: 65.0MB). Free memory was 168.2MB in the beginning and 232.4MB in the end (delta: -64.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.65ms. Allocated memory is still 265.3MB. Free memory was 232.2MB in the beginning and 230.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 265.3MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 658.35ms. Allocated memory is still 265.3MB. Free memory was 227.9MB in the beginning and 190.9MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 817019.26ms. Allocated memory was 265.3MB in the beginning and 1.0GB in the end (delta: 737.1MB). Free memory was 190.3MB in the beginning and 484.4MB in the end (delta: -294.0MB). Peak memory consumption was 639.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 137336, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22313, dependent conditional: 22291, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115045, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115045, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 72, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 36, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 36, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9991, independent: 9953, independent conditional: 4, independent unconditional: 9949, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9991, independent: 9947, independent conditional: 0, independent unconditional: 9947, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, independent: 49, independent conditional: 11, independent unconditional: 38, dependent: 178, dependent conditional: 71, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 115129, independent: 105070, independent conditional: 8, independent unconditional: 105062, dependent: 68, dependent conditional: 20, dependent unconditional: 48, unknown: 9991, unknown conditional: 20, unknown unconditional: 9971] , Statistics on independence cache: Total cache size (in pairs): 9991, Positive cache size: 9953, Positive conditional cache size: 4, Positive unconditional cache size: 9949, Negative cache size: 38, Negative conditional cache size: 16, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 8, Independence queries for same thread: 22291 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 5230, Number of trivial persistent sets: 5049, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11903, independent: 11881, independent conditional: 0, independent unconditional: 11881, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 137336, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22313, dependent conditional: 22291, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115045, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115045, independent: 115023, independent conditional: 103142, independent unconditional: 11881, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 72, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 36, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 115129, independent: 115023, independent conditional: 12, independent unconditional: 115011, dependent: 106, dependent conditional: 36, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9991, independent: 9953, independent conditional: 4, independent unconditional: 9949, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9991, independent: 9947, independent conditional: 0, independent unconditional: 9947, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 38, dependent conditional: 16, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, independent: 49, independent conditional: 11, independent unconditional: 38, dependent: 178, dependent conditional: 71, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 115129, independent: 105070, independent conditional: 8, independent unconditional: 105062, dependent: 68, dependent conditional: 20, dependent unconditional: 48, unknown: 9991, unknown conditional: 20, unknown unconditional: 9971] , Statistics on independence cache: Total cache size (in pairs): 9991, Positive cache size: 9953, Positive conditional cache size: 4, Positive unconditional cache size: 9949, Negative cache size: 38, Negative conditional cache size: 16, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 8, Independence queries for same thread: 22291 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 200 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 306 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 816.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 56.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 444, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 100.3s InterpolantComputationTime, 3562 NumberOfCodeBlocks, 3546 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 5021 ConstructedInterpolants, 35 QuantifiedInterpolants, 50572 SizeOfPredicates, 168 NumberOfNonLiveVariables, 3630 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 31 InterpolantComputations, 5 PerfectInterpolantSequences, 306/474 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