/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 14:27:35,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 14:27:35,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 14:27:35,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 14:27:35,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 14:27:35,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 14:27:35,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 14:27:35,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 14:27:35,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 14:27:35,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 14:27:35,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 14:27:35,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 14:27:35,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 14:27:35,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 14:27:35,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 14:27:35,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 14:27:35,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 14:27:35,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 14:27:35,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 14:27:35,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 14:27:35,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 14:27:35,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 14:27:35,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 14:27:35,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 14:27:35,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-10 14:27:35,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-10 14:27:35,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-10 14:27:35,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-10 14:27:35,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-10 14:27:35,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-10 14:27:35,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-10 14:27:35,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-10 14:27:35,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-10 14:27:35,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-10 14:27:35,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-10 14:27:35,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-10 14:27:35,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-10 14:27:35,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-10 14:27:35,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 14:27:35,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 14:27:35,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 14:27:35,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 14:27:35,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 14:27:35,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 14:27:35,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 14:27:35,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 14:27:35,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 14:27:35,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 14:27:35,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 14:27:35,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 14:27:35,702 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 14:27:35,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 14:27:35,702 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 14:27:35,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 14:27:35,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 14:27:35,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:27:35,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 14:27:35,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 14:27:35,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 14:27:35,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 14:27:35,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 14:27:35,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 14:27:35,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 14:27:35,949 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 14:27:35,950 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 14:27:35,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-01-10 14:27:37,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 14:27:37,276 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 14:27:37,277 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-01-10 14:27:37,283 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc354db87/5028f01913f94b73ab263b9b1dff2d10/FLAG1c41e63a0 [2023-01-10 14:27:37,299 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc354db87/5028f01913f94b73ab263b9b1dff2d10 [2023-01-10 14:27:37,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 14:27:37,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 14:27:37,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 14:27:37,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 14:27:37,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 14:27:37,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6485c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37, skipping insertion in model container [2023-01-10 14:27:37,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 14:27:37,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 14:27:37,517 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[2975,2988] [2023-01-10 14:27:37,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:27:37,537 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 14:27:37,556 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[2975,2988] [2023-01-10 14:27:37,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:27:37,571 INFO L208 MainTranslator]: Completed translation [2023-01-10 14:27:37,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37 WrapperNode [2023-01-10 14:27:37,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 14:27:37,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 14:27:37,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 14:27:37,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 14:27:37,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,618 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 207 [2023-01-10 14:27:37,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 14:27:37,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 14:27:37,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 14:27:37,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 14:27:37,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 14:27:37,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 14:27:37,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 14:27:37,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 14:27:37,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (1/1) ... [2023-01-10 14:27:37,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:27:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:27:37,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-10 14:27:37,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-10 14:27:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 14:27:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 14:27:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 14:27:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 14:27:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 14:27:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 14:27:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 14:27:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 14:27:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 14:27:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 14:27:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 14:27:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 14:27:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 14:27:37,712 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 14:27:37,831 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 14:27:37,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 14:27:38,146 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 14:27:38,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 14:27:38,157 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-01-10 14:27:38,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:27:38 BoogieIcfgContainer [2023-01-10 14:27:38,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 14:27:38,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 14:27:38,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 14:27:38,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 14:27:38,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:27:37" (1/3) ... [2023-01-10 14:27:38,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276d127a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:27:38, skipping insertion in model container [2023-01-10 14:27:38,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:27:37" (2/3) ... [2023-01-10 14:27:38,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276d127a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:27:38, skipping insertion in model container [2023-01-10 14:27:38,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:27:38" (3/3) ... [2023-01-10 14:27:38,166 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-01-10 14:27:38,190 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 14:27:38,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 14:27:38,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 14:27:38,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 14:27:38,310 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 14:27:38,346 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:27:38,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 14:27:38,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:27:38,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 14:27:38,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-10 14:27:38,377 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 14:27:38,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 14:27:38,388 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;@65baaf7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:27:38,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 14:27:38,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:27:38,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:27:38,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1890138729, now seen corresponding path program 1 times [2023-01-10 14:27:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:27:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946228165] [2023-01-10 14:27:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:38,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:27:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:38,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:27:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946228165] [2023-01-10 14:27:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946228165] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:27:38,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 14:27:38,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 14:27:38,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053396748] [2023-01-10 14:27:38,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:27:39,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 14:27:39,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:27:39,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 14:27:39,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 14:27:39,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:39,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:27:39,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:27:39,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:39,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:39,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 14:27:39,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:27:39,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:27:39,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1604965377, now seen corresponding path program 1 times [2023-01-10 14:27:39,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:27:39,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511669354] [2023-01-10 14:27:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:39,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:27:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:40,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:27:40,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511669354] [2023-01-10 14:27:40,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511669354] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:27:40,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 14:27:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-01-10 14:27:40,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758935164] [2023-01-10 14:27:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:27:40,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-01-10 14:27:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:27:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-01-10 14:27:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-01-10 14:27:40,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:40,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:27:40,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.727272727272727) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:27:40,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:40,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:40,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:27:40,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 14:27:40,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:27:40,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:27:40,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1179938635, now seen corresponding path program 1 times [2023-01-10 14:27:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:27:40,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987636908] [2023-01-10 14:27:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:27:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:40,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:27:40,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987636908] [2023-01-10 14:27:40,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987636908] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:27:40,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338800229] [2023-01-10 14:27:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:40,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:27:40,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:27:40,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:27:40,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 14:27:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:41,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-10 14:27:41,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:27:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 14:27:41,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 14:27:41,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338800229] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:27:41,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 14:27:41,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2023-01-10 14:27:41,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009298254] [2023-01-10 14:27:41,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:27:41,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-10 14:27:41,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:27:41,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-10 14:27:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2023-01-10 14:27:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:41,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:27:41,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:27:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:27:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:27:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:27:41,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-01-10 14:27:41,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-10 14:27:41,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:27:41,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:27:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1094473074, now seen corresponding path program 1 times [2023-01-10 14:27:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:27:41,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948771450] [2023-01-10 14:27:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:27:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-10 14:27:42,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:27:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948771450] [2023-01-10 14:27:42,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948771450] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:27:42,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78897759] [2023-01-10 14:27:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:42,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:27:42,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:27:42,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:27:42,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 14:27:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:42,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 33 conjunts are in the unsatisfiable core [2023-01-10 14:27:42,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:27:43,117 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-01-10 14:27:43,118 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 19 treesize of output 10 [2023-01-10 14:27:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:43,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:27:43,883 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-01-10 14:27:43,883 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 19 treesize of output 11 [2023-01-10 14:27:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:44,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78897759] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:27:44,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:27:44,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 40 [2023-01-10 14:27:44,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106196230] [2023-01-10 14:27:44,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:27:44,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-01-10 14:27:44,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:27:44,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-01-10 14:27:44,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1436, Unknown=0, NotChecked=0, Total=1560 [2023-01-10 14:27:44,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:44,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:27:44,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.875) internal successors, (395), 40 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:27:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:27:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:27:44,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:27:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:27:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:27:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:27:46,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-10 14:27:46,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:27:46,516 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:27:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:27:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 622056987, now seen corresponding path program 2 times [2023-01-10 14:27:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:27:46,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140323933] [2023-01-10 14:27:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:27:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:27:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:27:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 14:27:47,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:27:47,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140323933] [2023-01-10 14:27:47,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140323933] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:27:47,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700568957] [2023-01-10 14:27:47,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 14:27:47,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:27:47,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:27:47,018 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:27:47,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 14:27:47,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 14:27:47,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:27:47,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 88 conjunts are in the unsatisfiable core [2023-01-10 14:27:47,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:27:48,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-01-10 14:27:48,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-01-10 14:27:48,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-10 14:27:48,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-10 14:27:50,668 INFO L321 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2023-01-10 14:27:50,668 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 48 [2023-01-10 14:27:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:27:50,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:27:55,988 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 14:27:55,988 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 2 case distinctions, treesize of input 634 treesize of output 299 [2023-01-10 14:27:56,084 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 14:27:56,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 1588 treesize of output 1488 [2023-01-10 14:27:56,227 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 14:27:56,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 357 treesize of output 329 [2023-01-10 14:28:02,011 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 14:28:02,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 256 treesize of output 336 [2023-01-10 14:28:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:28:09,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700568957] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:28:09,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:28:09,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 44, 41] total 93 [2023-01-10 14:28:09,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962941612] [2023-01-10 14:28:09,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:28:09,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-01-10 14:28:09,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:28:09,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-01-10 14:28:09,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=7931, Unknown=47, NotChecked=0, Total=8556 [2023-01-10 14:28:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:09,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:28:09,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.10752688172043) internal successors, (475), 93 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:28:09,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:09,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:28:09,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:28:09,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:28:09,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:28:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:28:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:28:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:28:23,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-01-10 14:28:23,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:28:23,862 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:28:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:28:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1365087912, now seen corresponding path program 3 times [2023-01-10 14:28:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:28:23,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477671940] [2023-01-10 14:28:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:28:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:28:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:28:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 14:28:24,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:28:24,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477671940] [2023-01-10 14:28:24,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477671940] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:28:24,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41489492] [2023-01-10 14:28:24,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 14:28:24,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:28:24,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:28:24,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:28:24,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-10 14:28:25,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-01-10 14:28:25,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:28:25,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 30 conjunts are in the unsatisfiable core [2023-01-10 14:28:25,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:28:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 14:28:25,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:28:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-01-10 14:28:25,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41489492] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:28:25,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:28:25,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2023-01-10 14:28:25,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972223968] [2023-01-10 14:28:25,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:28:25,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-10 14:28:25,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:28:25,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-10 14:28:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2023-01-10 14:28:25,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:25,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:28:25,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.096774193548388) internal successors, (251), 31 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:28:25,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:28:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:28:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:28:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:28:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:28:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:28:27,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-10 14:28:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:28:27,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:28:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:28:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash 636383090, now seen corresponding path program 4 times [2023-01-10 14:28:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:28:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233560121] [2023-01-10 14:28:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:28:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:28:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:29:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:29:07,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:29:07,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233560121] [2023-01-10 14:29:07,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233560121] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:29:07,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471260494] [2023-01-10 14:29:07,796 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 14:29:07,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:29:07,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:29:07,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:29:07,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-10 14:29:07,900 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 14:29:07,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:29:07,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 67 conjunts are in the unsatisfiable core [2023-01-10 14:29:07,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:29:10,680 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 14:29:10,681 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 82 [2023-01-10 14:29:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:29:10,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:29:12,928 INFO L321 Elim1Store]: treesize reduction 20, result has 92.8 percent of original size [2023-01-10 14:29:12,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 106 treesize of output 314 [2023-01-10 14:29:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:29:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471260494] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:29:15,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:29:15,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 35, 34] total 112 [2023-01-10 14:29:15,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632225948] [2023-01-10 14:29:15,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:29:15,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-01-10 14:29:15,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:29:15,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-01-10 14:29:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=834, Invalid=11598, Unknown=0, NotChecked=0, Total=12432 [2023-01-10 14:29:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:15,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:29:15,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.910714285714286) internal successors, (550), 112 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:29:15,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:15,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:29:15,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:29:15,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:29:15,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:29:15,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:29:15,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:25,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:29:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 14:29:25,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-01-10 14:29:25,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:29:25,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:29:25,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:29:25,406 INFO L85 PathProgramCache]: Analyzing trace with hash -618129025, now seen corresponding path program 5 times [2023-01-10 14:29:25,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:29:25,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417976806] [2023-01-10 14:29:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:29:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:29:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:29:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:29:26,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:29:26,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417976806] [2023-01-10 14:29:26,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417976806] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:29:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266462458] [2023-01-10 14:29:26,006 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 14:29:26,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:29:26,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:29:26,007 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:29:26,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-10 14:29:26,248 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-01-10 14:29:26,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:29:26,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 41 conjunts are in the unsatisfiable core [2023-01-10 14:29:26,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:29:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:29:26,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:29:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 5 proven. 120 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:29:54,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266462458] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:29:54,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:29:54,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 16] total 44 [2023-01-10 14:29:54,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490459259] [2023-01-10 14:29:54,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:29:54,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-01-10 14:29:54,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:29:54,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-01-10 14:29:54,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1545, Unknown=0, NotChecked=0, Total=1892 [2023-01-10 14:29:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:54,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:29:54,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.590909090909091) internal successors, (334), 44 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 14:29:54,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 14:29:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-01-10 14:29:57,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-10 14:29:57,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:29:57,749 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:29:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:29:57,750 INFO L85 PathProgramCache]: Analyzing trace with hash -511590777, now seen corresponding path program 1 times [2023-01-10 14:29:57,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:29:57,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674828530] [2023-01-10 14:29:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:29:57,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:29:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:29:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:29:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:29:59,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674828530] [2023-01-10 14:29:59,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674828530] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:29:59,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841159622] [2023-01-10 14:29:59,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:29:59,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:29:59,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:29:59,067 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:29:59,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-10 14:29:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:29:59,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-10 14:29:59,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:30:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:30:00,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:30:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-01-10 14:30:01,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841159622] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:30:01,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:30:01,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 79 [2023-01-10 14:30:01,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308047662] [2023-01-10 14:30:01,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:30:02,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-01-10 14:30:02,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:30:02,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-01-10 14:30:02,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=5736, Unknown=0, NotChecked=0, Total=6162 [2023-01-10 14:30:02,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:30:02,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:30:02,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.620253164556962) internal successors, (523), 79 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-01-10 14:30:02,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:30:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-01-10 14:30:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-01-10 14:30:19,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-10 14:30:19,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-01-10 14:30:19,851 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:30:19,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:30:19,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1366966939, now seen corresponding path program 2 times [2023-01-10 14:30:19,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:30:19,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603757782] [2023-01-10 14:30:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:30:19,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:30:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-01-10 14:40:40,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,290 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 14:40:40,290 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 14:40:40,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,344 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,399 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,433 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,471 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,503 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,531 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,559 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,586 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,612 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,639 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,749 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,780 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,889 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,969 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:40,993 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,048 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,077 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,108 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,141 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,171 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,199 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,251 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 14:40:41,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-01-10 14:40:41,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,373 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,400 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,425 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,455 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,486 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,512 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,537 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,561 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,586 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,934 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,959 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:41,984 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,008 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,081 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,105 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,157 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,170 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,183 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,196 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,210 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,223 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,236 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,249 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,303 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,338 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,347 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,353 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,373 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,376 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,378 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,382 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,387 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,390 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,392 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,394 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,397 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,400 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,402 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,407 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,409 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,411 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,413 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,416 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,419 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,421 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,423 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,426 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,428 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,430 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,432 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,434 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,436 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,438 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,439 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,441 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,442 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,443 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,445 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,446 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,447 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,449 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,450 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,451 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,454 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,455 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,456 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,457 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,458 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,459 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,460 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,461 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,461 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,462 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,463 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,464 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,465 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,465 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,466 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,467 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,468 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,468 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,469 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,470 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,471 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,471 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,472 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,473 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,473 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,474 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,475 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,476 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-01-10 14:40:42,480 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 14:40:42,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-10 14:40:42,481 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 326 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 324 interpolants. [2023-01-10 14:40:42,490 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1] [2023-01-10 14:40:42,491 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-01-10 14:40:42,492 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 14:40:42,492 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 14:40:42,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:40:42 BasicIcfg [2023-01-10 14:40:42,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 14:40:42,495 INFO L158 Benchmark]: Toolchain (without parser) took 785192.78ms. Allocated memory was 285.2MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 234.7MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2023-01-10 14:40:42,495 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 189.8MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 14:40:42,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.71ms. Allocated memory is still 285.2MB. Free memory was 234.3MB in the beginning and 222.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 14:40:42,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 285.2MB. Free memory was 222.5MB in the beginning and 220.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-01-10 14:40:42,496 INFO L158 Benchmark]: Boogie Preprocessor took 32.04ms. Allocated memory is still 285.2MB. Free memory was 220.0MB in the beginning and 218.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-01-10 14:40:42,496 INFO L158 Benchmark]: RCFGBuilder took 507.49ms. Allocated memory is still 285.2MB. Free memory was 218.3MB in the beginning and 197.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-01-10 14:40:42,496 INFO L158 Benchmark]: TraceAbstraction took 784333.75ms. Allocated memory was 285.2MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 197.0MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2023-01-10 14:40:42,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 189.8MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 266.71ms. Allocated memory is still 285.2MB. Free memory was 234.3MB in the beginning and 222.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 285.2MB. Free memory was 222.5MB in the beginning and 220.0MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.04ms. Allocated memory is still 285.2MB. Free memory was 220.0MB in the beginning and 218.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 507.49ms. Allocated memory is still 285.2MB. Free memory was 218.3MB in the beginning and 197.7MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 784333.75ms. Allocated memory was 285.2MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 197.0MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25885, independent: 22732, independent conditional: 22732, independent unconditional: 0, dependent: 3153, dependent conditional: 3153, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22732, independent: 22732, independent conditional: 22732, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22732, independent: 22732, independent conditional: 22732, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22732, independent: 22732, independent conditional: 0, independent unconditional: 22732, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22732, independent: 22732, independent conditional: 0, independent unconditional: 22732, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22732, independent: 22732, independent conditional: 0, independent unconditional: 22732, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22732, independent: 21008, independent conditional: 0, independent unconditional: 21008, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1724, unknown conditional: 0, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 1724, Positive conditional cache size: 0, Positive unconditional cache size: 1724, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3153 - StatisticsResult: Traversal Statistics Data States: 1609, Transitions: 1797, Traversal time: 248666025.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 1609, Transitions: 1805, Traversal time: 62467155.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 1621, Transitions: 1818, Traversal time: 271616875.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 1628, Transitions: 1825, Traversal time: 181153159.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - StatisticsResult: Traversal Statistics Data States: 1813, Transitions: 2036, Traversal time: 1463586321.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 14 - StatisticsResult: Traversal Statistics Data States: 2094, Transitions: 2363, Traversal time: 12688030726.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 18 - StatisticsResult: Traversal Statistics Data States: 2316, Transitions: 2596, Traversal time: 1296374638.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 35 - StatisticsResult: Traversal Statistics Data States: 2107, Transitions: 2365, Traversal time: 9395823123.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 34 - StatisticsResult: Traversal Statistics Data States: 2904, Transitions: 3260, Traversal time: 2111730082.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 46 - StatisticsResult: Traversal Statistics Data States: 3336, Transitions: 3746, Traversal time: 16072008152.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 52 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 326 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 324 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 363 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 784132550993.0ns, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 48246248717.0ns, FeasibilityCheckTime: 734370248921.0ns, RefinementTime: 42092907.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 16580107.0ns, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 17240 SdHoareTripleChecker+Valid, 18463099938.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17240 mSDsluCounter, 117025 SdHoareTripleChecker+Invalid, 16313372406.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112422 mSDsCounter, 345 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27183 IncrementalHoareTripleChecker+Invalid, 27549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 345 mSolverCounterUnsat, 4603 mSDtfsCounter, 27183 mSolverCounterSat, 275227761.0ns SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 330, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 180879812.0ns SsaConstructionTime, 2159460354.0ns SatisfiabilityAnalysisTime, 108846228523.0ns InterpolantComputationTime, 2984 NumberOfCodeBlocks, 2964 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4180 ConstructedInterpolants, 77 QuantifiedInterpolants, 79229 SizeOfPredicates, 180 NumberOfNonLiveVariables, 2555 ConjunctsInSsa, 330 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 412/1835 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