/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 17:14:16,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 17:14:16,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 17:14:16,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 17:14:16,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 17:14:16,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 17:14:16,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 17:14:16,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 17:14:16,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 17:14:16,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 17:14:16,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 17:14:16,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 17:14:16,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 17:14:16,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 17:14:16,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 17:14:16,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 17:14:16,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 17:14:16,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 17:14:16,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 17:14:16,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 17:14:16,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 17:14:16,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 17:14:16,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 17:14:16,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 17:14:16,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 17:14:16,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 17:14:16,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 17:14:16,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 17:14:16,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 17:14:16,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 17:14:16,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 17:14:16,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 17:14:16,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 17:14:16,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 17:14:16,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 17:14:16,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 17:14:16,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 17:14:16,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 17:14:16,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 17:14:16,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 17:14:16,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 17:14:17,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 17:14:17,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 17:14:17,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 17:14:17,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 17:14:17,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 17:14:17,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 17:14:17,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 17:14:17,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 17:14:17,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 17:14:17,031 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 17:14:17,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 17:14:17,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 17:14:17,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 17:14:17,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 17:14:17,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 17:14:17,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 17:14:17,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 17:14:17,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 17:14:17,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 17:14:17,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 17:14:17,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 17:14:17,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 17:14:17,243 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 17:14:17,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-03-03 17:14:17,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c17a28c/ba53d5d8d219477b87f3bb6123e04a35/FLAG54c6b65bf [2022-03-03 17:14:17,592 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 17:14:17,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-03-03 17:14:17,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c17a28c/ba53d5d8d219477b87f3bb6123e04a35/FLAG54c6b65bf [2022-03-03 17:14:18,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c17a28c/ba53d5d8d219477b87f3bb6123e04a35 [2022-03-03 17:14:18,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 17:14:18,045 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 17:14:18,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 17:14:18,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 17:14:18,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 17:14:18,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7d1f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18, skipping insertion in model container [2022-03-03 17:14:18,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 17:14:18,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 17:14:18,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-03-03 17:14:18,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 17:14:18,236 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 17:14:18,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3526,3539] [2022-03-03 17:14:18,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 17:14:18,280 INFO L208 MainTranslator]: Completed translation [2022-03-03 17:14:18,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18 WrapperNode [2022-03-03 17:14:18,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 17:14:18,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 17:14:18,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 17:14:18,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 17:14:18,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,375 INFO L137 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2022-03-03 17:14:18,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 17:14:18,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 17:14:18,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 17:14:18,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 17:14:18,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 17:14:18,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 17:14:18,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 17:14:18,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 17:14:18,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (1/1) ... [2022-03-03 17:14:18,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 17:14:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:14:18,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 17:14:18,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 17:14:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 17:14:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 17:14:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 17:14:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-03 17:14:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-03 17:14:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 17:14:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 17:14:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 17:14:18,524 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 17:14:18,628 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 17:14:18,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 17:14:18,912 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 17:14:19,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 17:14:19,004 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 17:14:19,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 05:14:19 BoogieIcfgContainer [2022-03-03 17:14:19,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 17:14:19,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 17:14:19,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 17:14:19,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 17:14:19,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:14:18" (1/3) ... [2022-03-03 17:14:19,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ec8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:14:19, skipping insertion in model container [2022-03-03 17:14:19,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:14:18" (2/3) ... [2022-03-03 17:14:19,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ec8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:14:19, skipping insertion in model container [2022-03-03 17:14:19,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 05:14:19" (3/3) ... [2022-03-03 17:14:19,011 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2022-03-03 17:14:19,014 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 17:14:19,014 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 17:14:19,014 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 17:14:19,014 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 17:14:19,050 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,051 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,052 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,056 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,060 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,062 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,063 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:14:19,067 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-03 17:14:19,094 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 17:14:19,099 INFO L339 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 17:14:19,099 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-03 17:14:19,108 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 142 transitions, 316 flow [2022-03-03 17:14:19,758 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:19,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:19,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:19,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:19,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:19,889 INFO L85 PathProgramCache]: Analyzing trace with hash 935568246, now seen corresponding path program 1 times [2022-03-03 17:14:19,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:19,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267298758] [2022-03-03 17:14:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:19,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:20,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:20,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267298758] [2022-03-03 17:14:20,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267298758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:20,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:20,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:14:20,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620822665] [2022-03-03 17:14:20,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:20,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:14:20,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:20,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:14:20,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:14:20,532 INFO L87 Difference]: Start difference. First operand has 14977 states, 14976 states have (on average 3.9859107905982905) internal successors, (59693), 14976 states have internal predecessors, (59693), 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) Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:21,100 INFO L93 Difference]: Finished difference Result 35619 states and 139772 transitions. [2022-03-03 17:14:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:14:21,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:21,609 INFO L225 Difference]: With dead ends: 35619 [2022-03-03 17:14:21,609 INFO L226 Difference]: Without dead ends: 35616 [2022-03-03 17:14:21,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:21,612 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 205 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:21,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 509 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35616 states. [2022-03-03 17:14:22,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35616 to 19464. [2022-03-03 17:14:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19464 states, 19463 states have (on average 3.9024816318142115) internal successors, (75954), 19463 states have internal predecessors, (75954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19464 states to 19464 states and 75954 transitions. [2022-03-03 17:14:22,681 INFO L78 Accepts]: Start accepts. Automaton has 19464 states and 75954 transitions. Word has length 121 [2022-03-03 17:14:22,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:22,682 INFO L470 AbstractCegarLoop]: Abstraction has 19464 states and 75954 transitions. [2022-03-03 17:14:22,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 19464 states and 75954 transitions. [2022-03-03 17:14:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:22,871 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:22,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:22,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 17:14:22,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1465349838, now seen corresponding path program 2 times [2022-03-03 17:14:22,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:22,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455205455] [2022-03-03 17:14:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:23,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:23,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455205455] [2022-03-03 17:14:23,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455205455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:23,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:23,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 17:14:23,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176255202] [2022-03-03 17:14:23,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:23,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 17:14:23,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:23,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 17:14:23,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:23,137 INFO L87 Difference]: Start difference. First operand 19464 states and 75954 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:23,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:23,610 INFO L93 Difference]: Finished difference Result 28355 states and 109493 transitions. [2022-03-03 17:14:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:23,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:23,674 INFO L225 Difference]: With dead ends: 28355 [2022-03-03 17:14:23,674 INFO L226 Difference]: Without dead ends: 18069 [2022-03-03 17:14:23,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-03 17:14:23,676 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 275 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:23,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 679 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:14:23,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18069 states. [2022-03-03 17:14:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18069 to 18069. [2022-03-03 17:14:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18069 states, 18068 states have (on average 3.8922404250608813) internal successors, (70325), 18068 states have internal predecessors, (70325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18069 states to 18069 states and 70325 transitions. [2022-03-03 17:14:24,286 INFO L78 Accepts]: Start accepts. Automaton has 18069 states and 70325 transitions. Word has length 121 [2022-03-03 17:14:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:24,286 INFO L470 AbstractCegarLoop]: Abstraction has 18069 states and 70325 transitions. [2022-03-03 17:14:24,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 18069 states and 70325 transitions. [2022-03-03 17:14:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:24,329 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:24,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:24,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 17:14:24,330 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:24,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:24,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1201045130, now seen corresponding path program 3 times [2022-03-03 17:14:24,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:24,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358474172] [2022-03-03 17:14:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:24,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:24,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358474172] [2022-03-03 17:14:24,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358474172] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:24,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:24,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:14:24,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178395638] [2022-03-03 17:14:24,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:24,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:14:24,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:24,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:14:24,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:14:24,646 INFO L87 Difference]: Start difference. First operand 18069 states and 70325 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:25,088 INFO L93 Difference]: Finished difference Result 34787 states and 134609 transitions. [2022-03-03 17:14:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:14:25,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:25,330 INFO L225 Difference]: With dead ends: 34787 [2022-03-03 17:14:25,330 INFO L226 Difference]: Without dead ends: 34787 [2022-03-03 17:14:25,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:25,332 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 148 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:25,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 599 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34787 states. [2022-03-03 17:14:26,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34787 to 19898. [2022-03-03 17:14:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19898 states, 19897 states have (on average 3.827260391013721) internal successors, (76151), 19897 states have internal predecessors, (76151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19898 states to 19898 states and 76151 transitions. [2022-03-03 17:14:26,144 INFO L78 Accepts]: Start accepts. Automaton has 19898 states and 76151 transitions. Word has length 121 [2022-03-03 17:14:26,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:26,144 INFO L470 AbstractCegarLoop]: Abstraction has 19898 states and 76151 transitions. [2022-03-03 17:14:26,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19898 states and 76151 transitions. [2022-03-03 17:14:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:26,190 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:26,190 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:26,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 17:14:26,190 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:26,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash 398484592, now seen corresponding path program 4 times [2022-03-03 17:14:26,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:26,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935147855] [2022-03-03 17:14:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:26,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:26,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935147855] [2022-03-03 17:14:26,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935147855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:26,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:26,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:14:26,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006895884] [2022-03-03 17:14:26,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:26,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:14:26,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:14:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:14:26,303 INFO L87 Difference]: Start difference. First operand 19898 states and 76151 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:26,778 INFO L93 Difference]: Finished difference Result 34689 states and 133419 transitions. [2022-03-03 17:14:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:14:26,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:26,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:26,925 INFO L225 Difference]: With dead ends: 34689 [2022-03-03 17:14:26,925 INFO L226 Difference]: Without dead ends: 34563 [2022-03-03 17:14:26,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:26,927 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 242 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:26,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 626 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34563 states. [2022-03-03 17:14:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34563 to 20892. [2022-03-03 17:14:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20892 states, 20891 states have (on average 3.8144176918290174) internal successors, (79687), 20891 states have internal predecessors, (79687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20892 states to 20892 states and 79687 transitions. [2022-03-03 17:14:27,816 INFO L78 Accepts]: Start accepts. Automaton has 20892 states and 79687 transitions. Word has length 121 [2022-03-03 17:14:27,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:27,817 INFO L470 AbstractCegarLoop]: Abstraction has 20892 states and 79687 transitions. [2022-03-03 17:14:27,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 20892 states and 79687 transitions. [2022-03-03 17:14:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:27,864 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:27,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:27,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 17:14:27,865 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:27,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:27,865 INFO L85 PathProgramCache]: Analyzing trace with hash 309659624, now seen corresponding path program 5 times [2022-03-03 17:14:27,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:27,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73670053] [2022-03-03 17:14:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:27,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:27,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73670053] [2022-03-03 17:14:27,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73670053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:27,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:27,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 17:14:27,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292370655] [2022-03-03 17:14:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:27,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 17:14:27,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 17:14:27,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:14:27,932 INFO L87 Difference]: Start difference. First operand 20892 states and 79687 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:28,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:28,398 INFO L93 Difference]: Finished difference Result 35933 states and 137178 transitions. [2022-03-03 17:14:28,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:14:28,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:28,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:28,568 INFO L225 Difference]: With dead ends: 35933 [2022-03-03 17:14:28,569 INFO L226 Difference]: Without dead ends: 35783 [2022-03-03 17:14:28,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:28,574 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 196 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:28,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 507 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:28,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35783 states. [2022-03-03 17:14:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35783 to 21160. [2022-03-03 17:14:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21160 states, 21159 states have (on average 3.7896876033839026) internal successors, (80186), 21159 states have internal predecessors, (80186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21160 states to 21160 states and 80186 transitions. [2022-03-03 17:14:29,358 INFO L78 Accepts]: Start accepts. Automaton has 21160 states and 80186 transitions. Word has length 121 [2022-03-03 17:14:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:29,358 INFO L470 AbstractCegarLoop]: Abstraction has 21160 states and 80186 transitions. [2022-03-03 17:14:29,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 21160 states and 80186 transitions. [2022-03-03 17:14:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:29,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:29,407 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:29,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 17:14:29,408 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2120466584, now seen corresponding path program 6 times [2022-03-03 17:14:29,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:29,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334040567] [2022-03-03 17:14:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:29,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:29,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:29,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334040567] [2022-03-03 17:14:29,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334040567] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:29,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:29,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:29,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572362585] [2022-03-03 17:14:29,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:29,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:29,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:29,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:29,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:29,765 INFO L87 Difference]: Start difference. First operand 21160 states and 80186 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:30,143 INFO L93 Difference]: Finished difference Result 31306 states and 119260 transitions. [2022-03-03 17:14:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 17:14:30,143 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:30,197 INFO L225 Difference]: With dead ends: 31306 [2022-03-03 17:14:30,197 INFO L226 Difference]: Without dead ends: 17806 [2022-03-03 17:14:30,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-03-03 17:14:30,198 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 281 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:30,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 609 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17806 states. [2022-03-03 17:14:30,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17806 to 17806. [2022-03-03 17:14:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17806 states, 17805 states have (on average 3.749059253018815) internal successors, (66752), 17805 states have internal predecessors, (66752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17806 states to 17806 states and 66752 transitions. [2022-03-03 17:14:30,829 INFO L78 Accepts]: Start accepts. Automaton has 17806 states and 66752 transitions. Word has length 121 [2022-03-03 17:14:30,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:30,829 INFO L470 AbstractCegarLoop]: Abstraction has 17806 states and 66752 transitions. [2022-03-03 17:14:30,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17806 states and 66752 transitions. [2022-03-03 17:14:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:30,867 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:30,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:30,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 17:14:30,868 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:30,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash -835775020, now seen corresponding path program 7 times [2022-03-03 17:14:30,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:30,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100708207] [2022-03-03 17:14:30,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:30,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:30,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100708207] [2022-03-03 17:14:30,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100708207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:30,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:30,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:14:30,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378960349] [2022-03-03 17:14:30,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:30,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:14:30,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:14:30,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:14:30,986 INFO L87 Difference]: Start difference. First operand 17806 states and 66752 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:31,334 INFO L93 Difference]: Finished difference Result 24667 states and 90738 transitions. [2022-03-03 17:14:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:14:31,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:31,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:31,400 INFO L225 Difference]: With dead ends: 24667 [2022-03-03 17:14:31,400 INFO L226 Difference]: Without dead ends: 24073 [2022-03-03 17:14:31,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:31,403 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 241 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:31,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 566 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:31,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24073 states. [2022-03-03 17:14:31,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24073 to 13657. [2022-03-03 17:14:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13657 states, 13656 states have (on average 3.633128295254833) internal successors, (49614), 13656 states have internal predecessors, (49614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13657 states to 13657 states and 49614 transitions. [2022-03-03 17:14:31,918 INFO L78 Accepts]: Start accepts. Automaton has 13657 states and 49614 transitions. Word has length 121 [2022-03-03 17:14:31,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:31,918 INFO L470 AbstractCegarLoop]: Abstraction has 13657 states and 49614 transitions. [2022-03-03 17:14:31,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 13657 states and 49614 transitions. [2022-03-03 17:14:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:31,946 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:31,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:31,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 17:14:31,946 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:31,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:31,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1466375860, now seen corresponding path program 8 times [2022-03-03 17:14:31,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:31,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866061648] [2022-03-03 17:14:31,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:31,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:32,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:32,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866061648] [2022-03-03 17:14:32,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866061648] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:32,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:32,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:32,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708027261] [2022-03-03 17:14:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:32,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:32,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:32,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:32,104 INFO L87 Difference]: Start difference. First operand 13657 states and 49614 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:32,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:32,445 INFO L93 Difference]: Finished difference Result 25837 states and 93690 transitions. [2022-03-03 17:14:32,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:32,446 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:32,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:32,529 INFO L225 Difference]: With dead ends: 25837 [2022-03-03 17:14:32,529 INFO L226 Difference]: Without dead ends: 24613 [2022-03-03 17:14:32,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-03 17:14:32,530 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 233 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:32,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 733 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2022-03-03 17:14:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 13621. [2022-03-03 17:14:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13621 states, 13620 states have (on average 3.584361233480176) internal successors, (48819), 13620 states have internal predecessors, (48819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13621 states to 13621 states and 48819 transitions. [2022-03-03 17:14:33,064 INFO L78 Accepts]: Start accepts. Automaton has 13621 states and 48819 transitions. Word has length 121 [2022-03-03 17:14:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:33,064 INFO L470 AbstractCegarLoop]: Abstraction has 13621 states and 48819 transitions. [2022-03-03 17:14:33,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 13621 states and 48819 transitions. [2022-03-03 17:14:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:33,090 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:33,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:33,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 17:14:33,091 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1216407702, now seen corresponding path program 9 times [2022-03-03 17:14:33,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:33,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345792129] [2022-03-03 17:14:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:33,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:33,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:33,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345792129] [2022-03-03 17:14:33,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345792129] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:33,178 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:33,178 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:33,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832653901] [2022-03-03 17:14:33,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:33,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:33,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:33,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:33,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:33,179 INFO L87 Difference]: Start difference. First operand 13621 states and 48819 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:33,591 INFO L93 Difference]: Finished difference Result 22000 states and 77849 transitions. [2022-03-03 17:14:33,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:33,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:33,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:33,651 INFO L225 Difference]: With dead ends: 22000 [2022-03-03 17:14:33,652 INFO L226 Difference]: Without dead ends: 20416 [2022-03-03 17:14:33,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-03 17:14:33,654 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 217 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:33,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 856 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2022-03-03 17:14:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 11854. [2022-03-03 17:14:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11854 states, 11853 states have (on average 3.4944739728338816) internal successors, (41420), 11853 states have internal predecessors, (41420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11854 states to 11854 states and 41420 transitions. [2022-03-03 17:14:33,957 INFO L78 Accepts]: Start accepts. Automaton has 11854 states and 41420 transitions. Word has length 121 [2022-03-03 17:14:33,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:33,957 INFO L470 AbstractCegarLoop]: Abstraction has 11854 states and 41420 transitions. [2022-03-03 17:14:33,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 11854 states and 41420 transitions. [2022-03-03 17:14:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:34,039 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:34,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:34,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 17:14:34,039 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:34,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:34,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1378731292, now seen corresponding path program 10 times [2022-03-03 17:14:34,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:34,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115383595] [2022-03-03 17:14:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:34,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:34,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115383595] [2022-03-03 17:14:34,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115383595] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:34,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:34,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 17:14:34,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107337749] [2022-03-03 17:14:34,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:34,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 17:14:34,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:34,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 17:14:34,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-03 17:14:34,149 INFO L87 Difference]: Start difference. First operand 11854 states and 41420 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:34,352 INFO L93 Difference]: Finished difference Result 18958 states and 66597 transitions. [2022-03-03 17:14:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 17:14:34,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:34,398 INFO L225 Difference]: With dead ends: 18958 [2022-03-03 17:14:34,398 INFO L226 Difference]: Without dead ends: 18292 [2022-03-03 17:14:34,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:34,399 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 289 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:34,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 564 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:34,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18292 states. [2022-03-03 17:14:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18292 to 11050. [2022-03-03 17:14:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11049 states have (on average 3.4995022173952393) internal successors, (38666), 11049 states have internal predecessors, (38666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 38666 transitions. [2022-03-03 17:14:34,758 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 38666 transitions. Word has length 121 [2022-03-03 17:14:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:34,760 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 38666 transitions. [2022-03-03 17:14:34,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 38666 transitions. [2022-03-03 17:14:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:34,778 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:34,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:34,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 17:14:34,778 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:34,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:34,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1739388088, now seen corresponding path program 11 times [2022-03-03 17:14:34,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:34,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580866221] [2022-03-03 17:14:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:34,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:34,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580866221] [2022-03-03 17:14:34,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580866221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:34,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:34,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:34,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345501577] [2022-03-03 17:14:34,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:34,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:34,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:34,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:34,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:34,906 INFO L87 Difference]: Start difference. First operand 11050 states and 38666 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:35,121 INFO L93 Difference]: Finished difference Result 15667 states and 53683 transitions. [2022-03-03 17:14:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:35,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:35,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:35,160 INFO L225 Difference]: With dead ends: 15667 [2022-03-03 17:14:35,160 INFO L226 Difference]: Without dead ends: 14959 [2022-03-03 17:14:35,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-03 17:14:35,161 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 265 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:35,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 696 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:35,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14959 states. [2022-03-03 17:14:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14959 to 8752. [2022-03-03 17:14:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8752 states, 8751 states have (on average 3.426008456176437) internal successors, (29981), 8751 states have internal predecessors, (29981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8752 states to 8752 states and 29981 transitions. [2022-03-03 17:14:35,386 INFO L78 Accepts]: Start accepts. Automaton has 8752 states and 29981 transitions. Word has length 121 [2022-03-03 17:14:35,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:35,387 INFO L470 AbstractCegarLoop]: Abstraction has 8752 states and 29981 transitions. [2022-03-03 17:14:35,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8752 states and 29981 transitions. [2022-03-03 17:14:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:35,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:35,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:35,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 17:14:35,402 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:35,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash -170190332, now seen corresponding path program 12 times [2022-03-03 17:14:35,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:35,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074692794] [2022-03-03 17:14:35,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:35,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:35,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074692794] [2022-03-03 17:14:35,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074692794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:35,511 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:35,511 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:35,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114829526] [2022-03-03 17:14:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:35,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:35,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:35,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:35,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:35,513 INFO L87 Difference]: Start difference. First operand 8752 states and 29981 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:35,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:35,825 INFO L93 Difference]: Finished difference Result 13000 states and 44507 transitions. [2022-03-03 17:14:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:35,825 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:35,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:35,865 INFO L225 Difference]: With dead ends: 13000 [2022-03-03 17:14:35,865 INFO L226 Difference]: Without dead ends: 12568 [2022-03-03 17:14:35,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-03 17:14:35,866 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 248 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:35,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 770 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:14:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12568 states. [2022-03-03 17:14:36,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12568 to 8536. [2022-03-03 17:14:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8536 states, 8535 states have (on average 3.4051552431165786) internal successors, (29063), 8535 states have internal predecessors, (29063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8536 states to 8536 states and 29063 transitions. [2022-03-03 17:14:36,052 INFO L78 Accepts]: Start accepts. Automaton has 8536 states and 29063 transitions. Word has length 121 [2022-03-03 17:14:36,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:36,052 INFO L470 AbstractCegarLoop]: Abstraction has 8536 states and 29063 transitions. [2022-03-03 17:14:36,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 8536 states and 29063 transitions. [2022-03-03 17:14:36,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:36,065 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:36,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:36,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 17:14:36,066 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:36,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:36,066 INFO L85 PathProgramCache]: Analyzing trace with hash -800791172, now seen corresponding path program 13 times [2022-03-03 17:14:36,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:36,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230596031] [2022-03-03 17:14:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:36,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:36,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:36,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230596031] [2022-03-03 17:14:36,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230596031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:36,156 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:36,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 17:14:36,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140396675] [2022-03-03 17:14:36,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:36,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 17:14:36,157 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:36,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 17:14:36,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:36,158 INFO L87 Difference]: Start difference. First operand 8536 states and 29063 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:36,356 INFO L93 Difference]: Finished difference Result 12784 states and 43589 transitions. [2022-03-03 17:14:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 17:14:36,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:36,383 INFO L225 Difference]: With dead ends: 12784 [2022-03-03 17:14:36,383 INFO L226 Difference]: Without dead ends: 11896 [2022-03-03 17:14:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2022-03-03 17:14:36,384 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 296 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:36,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 728 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11896 states. [2022-03-03 17:14:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11896 to 8200. [2022-03-03 17:14:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8200 states, 8199 states have (on average 3.4017563117453347) internal successors, (27891), 8199 states have internal predecessors, (27891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 27891 transitions. [2022-03-03 17:14:36,643 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 27891 transitions. Word has length 121 [2022-03-03 17:14:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:36,644 INFO L470 AbstractCegarLoop]: Abstraction has 8200 states and 27891 transitions. [2022-03-03 17:14:36,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 27891 transitions. [2022-03-03 17:14:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:36,658 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:36,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:36,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 17:14:36,659 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash -960095708, now seen corresponding path program 14 times [2022-03-03 17:14:36,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:36,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617808061] [2022-03-03 17:14:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:36,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:36,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:36,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617808061] [2022-03-03 17:14:36,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617808061] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:36,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:36,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 17:14:36,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189142327] [2022-03-03 17:14:36,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:36,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 17:14:36,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 17:14:36,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 17:14:36,774 INFO L87 Difference]: Start difference. First operand 8200 states and 27891 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:37,019 INFO L93 Difference]: Finished difference Result 12520 states and 42543 transitions. [2022-03-03 17:14:37,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 17:14:37,020 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:37,048 INFO L225 Difference]: With dead ends: 12520 [2022-03-03 17:14:37,048 INFO L226 Difference]: Without dead ends: 11824 [2022-03-03 17:14:37,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-03-03 17:14:37,049 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 238 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:37,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 1100 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:14:37,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11824 states. [2022-03-03 17:14:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11824 to 8128. [2022-03-03 17:14:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8128 states, 8127 states have (on average 3.401624215577704) internal successors, (27645), 8127 states have internal predecessors, (27645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8128 states to 8128 states and 27645 transitions. [2022-03-03 17:14:37,205 INFO L78 Accepts]: Start accepts. Automaton has 8128 states and 27645 transitions. Word has length 121 [2022-03-03 17:14:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:37,205 INFO L470 AbstractCegarLoop]: Abstraction has 8128 states and 27645 transitions. [2022-03-03 17:14:37,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 8128 states and 27645 transitions. [2022-03-03 17:14:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:37,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:37,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:37,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 17:14:37,218 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:37,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:37,219 INFO L85 PathProgramCache]: Analyzing trace with hash 998930532, now seen corresponding path program 15 times [2022-03-03 17:14:37,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:37,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628003062] [2022-03-03 17:14:37,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:37,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:37,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:37,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628003062] [2022-03-03 17:14:37,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628003062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:37,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:37,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 17:14:37,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971315855] [2022-03-03 17:14:37,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:37,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 17:14:37,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 17:14:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 17:14:37,300 INFO L87 Difference]: Start difference. First operand 8128 states and 27645 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:37,549 INFO L93 Difference]: Finished difference Result 12550 states and 42816 transitions. [2022-03-03 17:14:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 17:14:37,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:37,575 INFO L225 Difference]: With dead ends: 12550 [2022-03-03 17:14:37,575 INFO L226 Difference]: Without dead ends: 11434 [2022-03-03 17:14:37,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-03-03 17:14:37,576 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 224 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:37,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 952 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:14:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11434 states. [2022-03-03 17:14:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11434 to 6865. [2022-03-03 17:14:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 states, 6864 states have (on average 3.414918414918415) internal successors, (23440), 6864 states have internal predecessors, (23440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 23440 transitions. [2022-03-03 17:14:37,710 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 23440 transitions. Word has length 121 [2022-03-03 17:14:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:37,710 INFO L470 AbstractCegarLoop]: Abstraction has 6865 states and 23440 transitions. [2022-03-03 17:14:37,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 23440 transitions. [2022-03-03 17:14:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:37,722 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:37,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:37,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 17:14:37,722 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:37,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1698640170, now seen corresponding path program 16 times [2022-03-03 17:14:37,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:37,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723829110] [2022-03-03 17:14:37,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:37,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:37,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:37,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723829110] [2022-03-03 17:14:37,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723829110] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:37,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:37,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 17:14:37,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167392584] [2022-03-03 17:14:37,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:37,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 17:14:37,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:37,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 17:14:37,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:14:37,793 INFO L87 Difference]: Start difference. First operand 6865 states and 23440 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:37,958 INFO L93 Difference]: Finished difference Result 11176 states and 38341 transitions. [2022-03-03 17:14:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 17:14:37,959 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:37,988 INFO L225 Difference]: With dead ends: 11176 [2022-03-03 17:14:37,988 INFO L226 Difference]: Without dead ends: 10960 [2022-03-03 17:14:37,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-03 17:14:37,989 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 250 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:37,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 651 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10960 states. [2022-03-03 17:14:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10960 to 6640. [2022-03-03 17:14:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6640 states, 6639 states have (on average 3.389215243259527) internal successors, (22501), 6639 states have internal predecessors, (22501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6640 states to 6640 states and 22501 transitions. [2022-03-03 17:14:38,132 INFO L78 Accepts]: Start accepts. Automaton has 6640 states and 22501 transitions. Word has length 121 [2022-03-03 17:14:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:38,133 INFO L470 AbstractCegarLoop]: Abstraction has 6640 states and 22501 transitions. [2022-03-03 17:14:38,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,133 INFO L276 IsEmpty]: Start isEmpty. Operand 6640 states and 22501 transitions. [2022-03-03 17:14:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:38,144 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:38,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:38,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 17:14:38,145 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:38,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1196153460, now seen corresponding path program 17 times [2022-03-03 17:14:38,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:38,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172272621] [2022-03-03 17:14:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:38,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:38,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172272621] [2022-03-03 17:14:38,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172272621] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:38,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:38,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 17:14:38,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399771815] [2022-03-03 17:14:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:38,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 17:14:38,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:38,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 17:14:38,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:14:38,234 INFO L87 Difference]: Start difference. First operand 6640 states and 22501 transitions. Second operand has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:38,434 INFO L93 Difference]: Finished difference Result 10834 states and 37045 transitions. [2022-03-03 17:14:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 17:14:38,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:38,459 INFO L225 Difference]: With dead ends: 10834 [2022-03-03 17:14:38,460 INFO L226 Difference]: Without dead ends: 10510 [2022-03-03 17:14:38,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2022-03-03 17:14:38,460 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 261 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:38,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 736 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:38,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2022-03-03 17:14:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 6436. [2022-03-03 17:14:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6436 states, 6435 states have (on average 3.3815073815073817) internal successors, (21760), 6435 states have internal predecessors, (21760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 21760 transitions. [2022-03-03 17:14:38,607 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 21760 transitions. Word has length 121 [2022-03-03 17:14:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:38,607 INFO L470 AbstractCegarLoop]: Abstraction has 6436 states and 21760 transitions. [2022-03-03 17:14:38,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 21760 transitions. [2022-03-03 17:14:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:38,618 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:38,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:38,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 17:14:38,618 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:38,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:38,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1014658416, now seen corresponding path program 18 times [2022-03-03 17:14:38,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:38,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176842253] [2022-03-03 17:14:38,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:38,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:38,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:38,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176842253] [2022-03-03 17:14:38,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176842253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:38,710 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:38,710 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 17:14:38,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999215298] [2022-03-03 17:14:38,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:38,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 17:14:38,710 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:38,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 17:14:38,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 17:14:38,711 INFO L87 Difference]: Start difference. First operand 6436 states and 21760 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:38,940 INFO L93 Difference]: Finished difference Result 10570 states and 36151 transitions. [2022-03-03 17:14:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 17:14:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:38,963 INFO L225 Difference]: With dead ends: 10570 [2022-03-03 17:14:38,963 INFO L226 Difference]: Without dead ends: 10234 [2022-03-03 17:14:38,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-03-03 17:14:38,963 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 290 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:38,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 751 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:38,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10234 states. [2022-03-03 17:14:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10234 to 6256. [2022-03-03 17:14:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 6255 states have (on average 3.4103916866506796) internal successors, (21332), 6255 states have internal predecessors, (21332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 21332 transitions. [2022-03-03 17:14:39,084 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 21332 transitions. Word has length 121 [2022-03-03 17:14:39,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:39,085 INFO L470 AbstractCegarLoop]: Abstraction has 6256 states and 21332 transitions. [2022-03-03 17:14:39,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 21332 transitions. [2022-03-03 17:14:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-03-03 17:14:39,094 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:14:39,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:14:39,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 17:14:39,095 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:14:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:14:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash 88890422, now seen corresponding path program 19 times [2022-03-03 17:14:39,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:14:39,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514130770] [2022-03-03 17:14:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:14:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:14:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:14:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:14:39,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:14:39,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514130770] [2022-03-03 17:14:39,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514130770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:14:39,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:14:39,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 17:14:39,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875936657] [2022-03-03 17:14:39,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:14:39,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 17:14:39,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:14:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 17:14:39,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 17:14:39,176 INFO L87 Difference]: Start difference. First operand 6256 states and 21332 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:14:39,300 INFO L93 Difference]: Finished difference Result 1867 states and 5058 transitions. [2022-03-03 17:14:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 17:14:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 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) Word has length 121 [2022-03-03 17:14:39,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:14:39,301 INFO L225 Difference]: With dead ends: 1867 [2022-03-03 17:14:39,301 INFO L226 Difference]: Without dead ends: 0 [2022-03-03 17:14:39,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2022-03-03 17:14:39,301 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 207 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:14:39,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 453 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:14:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-03 17:14:39,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-03 17:14:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-03 17:14:39,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2022-03-03 17:14:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:14:39,302 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-03 17:14:39,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:14:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-03 17:14:39,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-03 17:14:39,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-03 17:14:39,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-03 17:14:39,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-03 17:14:39,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-03 17:14:39,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-03 17:14:39,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 17:14:39,307 INFO L732 BasicCegarLoop]: Path program histogram: [19] [2022-03-03 17:14:39,308 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 17:14:39,308 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 17:14:39,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 05:14:39 BasicIcfg [2022-03-03 17:14:39,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 17:14:39,310 INFO L158 Benchmark]: Toolchain (without parser) took 21265.45ms. Allocated memory was 213.9MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 186.1MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2022-03-03 17:14:39,310 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 17:14:39,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.28ms. Allocated memory is still 213.9MB. Free memory was 185.9MB in the beginning and 183.0MB in the end (delta: 2.9MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-03-03 17:14:39,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.33ms. Allocated memory is still 213.9MB. Free memory was 183.0MB in the beginning and 180.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 17:14:39,311 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 213.9MB. Free memory was 180.7MB in the beginning and 179.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 17:14:39,311 INFO L158 Benchmark]: RCFGBuilder took 581.09ms. Allocated memory is still 213.9MB. Free memory was 179.4MB in the beginning and 159.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-03-03 17:14:39,311 INFO L158 Benchmark]: TraceAbstraction took 20303.06ms. Allocated memory was 213.9MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 158.9MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2022-03-03 17:14:39,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 240.28ms. Allocated memory is still 213.9MB. Free memory was 185.9MB in the beginning and 183.0MB in the end (delta: 2.9MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.33ms. Allocated memory is still 213.9MB. Free memory was 183.0MB in the beginning and 180.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 213.9MB. Free memory was 180.7MB in the beginning and 179.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 581.09ms. Allocated memory is still 213.9MB. Free memory was 179.4MB in the beginning and 159.5MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 20303.06ms. Allocated memory was 213.9MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 158.9MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 146]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 174 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.8s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4606 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4606 mSDsluCounter, 13085 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10998 mSDsCounter, 647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4602 IncrementalHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 647 mSolverCounterUnsat, 3287 mSDtfsCounter, 4602 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21160occurred in iteration=5, InterpolantAutomatonStates: 193, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 131119 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2299 NumberOfCodeBlocks, 2299 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2280 ConstructedInterpolants, 0 QuantifiedInterpolants, 6028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-03 17:14:39,335 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 Received shutdown request...