/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-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:03:10,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:03:10,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:03:10,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 14:03:10,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 14:03:10,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 14:03:10,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 14:03:10,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 14:03:10,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 14:03:10,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 14:03:10,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 14:03:10,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 14:03:10,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 14:03:10,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 14:03:10,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 14:03:10,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 14:03:10,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 14:03:10,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 14:03:10,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 14:03:10,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 14:03:10,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 14:03:10,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 14:03:10,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 14:03:10,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 14:03:10,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 14:03:10,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 14:03:10,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 14:03:10,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 14:03:10,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 14:03:10,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 14:03:10,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 14:03:10,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 14:03:10,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 14:03:10,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 14:03:10,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 14:03:10,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 14:03:10,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 14:03:10,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 14:03:10,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:03:10,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:03:10,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:03:10,872 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 [2022-03-15 14:03:10,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:03:10,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:03:10,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:03:10,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:03:10,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:03:10,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:03:10,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:03:10,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:03:10,886 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:03:10,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:03:10,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:03:10,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:03:10,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:03:10,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:03:10,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:03:10,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:03:11,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:03:11,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:03:11,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:03:11,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:03:11,039 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:03:11,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-03-15 14:03:11,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e880156db/2052a2df3d524e8faa603df070b25dff/FLAG0ab2379fe [2022-03-15 14:03:11,415 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:03:11,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-03-15 14:03:11,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e880156db/2052a2df3d524e8faa603df070b25dff/FLAG0ab2379fe [2022-03-15 14:03:11,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e880156db/2052a2df3d524e8faa603df070b25dff [2022-03-15 14:03:11,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:03:11,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:03:11,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:03:11,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:03:11,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:03:11,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:03:11" (1/1) ... [2022-03-15 14:03:11,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a3e855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:11, skipping insertion in model container [2022-03-15 14:03:11,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:03:11" (1/1) ... [2022-03-15 14:03:11,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:03:11,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:03:12,032 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-5.wvr.c[3963,3976] [2022-03-15 14:03:12,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:03:12,039 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:03:12,069 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-5.wvr.c[3963,3976] [2022-03-15 14:03:12,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:03:12,081 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:03:12,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12 WrapperNode [2022-03-15 14:03:12,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:03:12,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:03:12,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:03:12,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:03:12,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,128 INFO L137 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 238 [2022-03-15 14:03:12,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:03:12,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:03:12,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:03:12,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:03:12,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:03:12,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:03:12,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:03:12,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:03:12,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (1/1) ... [2022-03-15 14:03:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:03:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:03:12,196 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) [2022-03-15 14:03:12,205 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 [2022-03-15 14:03:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:03:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:03:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 14:03:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 14:03:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-03-15 14:03:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-03-15 14:03:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:03:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:03:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:03:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:03:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:03:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:03:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:03:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:03:12,245 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 14:03:12,345 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:03:12,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:03:12,545 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:03:12,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:03:12,649 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 14:03:12,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:03:12 BoogieIcfgContainer [2022-03-15 14:03:12,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:03:12,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:03:12,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:03:12,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:03:12,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:03:11" (1/3) ... [2022-03-15 14:03:12,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d2dfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:03:12, skipping insertion in model container [2022-03-15 14:03:12,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:03:12" (2/3) ... [2022-03-15 14:03:12,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d2dfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:03:12, skipping insertion in model container [2022-03-15 14:03:12,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:03:12" (3/3) ... [2022-03-15 14:03:12,673 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2022-03-15 14:03:12,678 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:03:12,678 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:03:12,678 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:03:12,679 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:03:12,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,739 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,740 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,741 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,742 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,743 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,744 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,745 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,746 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,756 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,756 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,757 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,757 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,757 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,757 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,758 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,758 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,759 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,759 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,759 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,759 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,759 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,765 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,765 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,766 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,766 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,766 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,766 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,766 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,767 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,768 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,769 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,769 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,769 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,769 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,770 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,770 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,774 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,779 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,779 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,779 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,779 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,779 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:03:12,789 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-03-15 14:03:12,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:03:12,840 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 [2022-03-15 14:03:12,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 14:03:12,854 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 165 transitions, 370 flow [2022-03-15 14:03:16,081 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 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) [2022-03-15 14:03:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 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) [2022-03-15 14:03:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:03:17,366 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:17,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:17,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:03:17,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash 337044275, now seen corresponding path program 1 times [2022-03-15 14:03:17,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:17,394 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079681902] [2022-03-15 14:03:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:17,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:17,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079681902] [2022-03-15 14:03:17,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079681902] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:17,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:17,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:03:17,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162330057] [2022-03-15 14:03:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:17,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:03:17,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:17,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:03:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:03:18,089 INFO L87 Difference]: Start difference. First operand has 104505 states, 104504 states have (on average 4.851670749444997) internal successors, (507019), 104504 states have internal predecessors, (507019), 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 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:21,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:21,896 INFO L93 Difference]: Finished difference Result 278147 states and 1328367 transitions. [2022-03-15 14:03:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:03:21,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:03:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:24,860 INFO L225 Difference]: With dead ends: 278147 [2022-03-15 14:03:24,860 INFO L226 Difference]: Without dead ends: 278144 [2022-03-15 14:03:24,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:03:24,867 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 322 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:24,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 618 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:03:25,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278144 states. [2022-03-15 14:03:33,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278144 to 132290. [2022-03-15 14:03:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132290 states, 132289 states have (on average 4.78342114612704) internal successors, (632794), 132289 states have internal predecessors, (632794), 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) [2022-03-15 14:03:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132290 states to 132290 states and 632794 transitions. [2022-03-15 14:03:36,044 INFO L78 Accepts]: Start accepts. Automaton has 132290 states and 632794 transitions. Word has length 141 [2022-03-15 14:03:36,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:36,045 INFO L470 AbstractCegarLoop]: Abstraction has 132290 states and 632794 transitions. [2022-03-15 14:03:36,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 132290 states and 632794 transitions. [2022-03-15 14:03:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:03:36,634 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:36,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:36,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:03:36,639 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:03:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 927256055, now seen corresponding path program 2 times [2022-03-15 14:03:36,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:36,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265367370] [2022-03-15 14:03:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:36,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:37,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:37,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265367370] [2022-03-15 14:03:37,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265367370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:37,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:37,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 14:03:37,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765723438] [2022-03-15 14:03:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:37,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 14:03:37,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:37,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 14:03:37,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:03:37,204 INFO L87 Difference]: Start difference. First operand 132290 states and 632794 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:40,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:40,926 INFO L93 Difference]: Finished difference Result 302031 states and 1436129 transitions. [2022-03-15 14:03:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:03:40,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:03:40,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:44,192 INFO L225 Difference]: With dead ends: 302031 [2022-03-15 14:03:44,193 INFO L226 Difference]: Without dead ends: 302031 [2022-03-15 14:03:44,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:03:44,197 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 302 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:44,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 773 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:03:45,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302031 states. [2022-03-15 14:03:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302031 to 151275. [2022-03-15 14:03:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151275 states, 151274 states have (on average 4.745825455795444) internal successors, (717920), 151274 states have internal predecessors, (717920), 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) [2022-03-15 14:03:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151275 states to 151275 states and 717920 transitions. [2022-03-15 14:03:55,136 INFO L78 Accepts]: Start accepts. Automaton has 151275 states and 717920 transitions. Word has length 141 [2022-03-15 14:03:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:55,137 INFO L470 AbstractCegarLoop]: Abstraction has 151275 states and 717920 transitions. [2022-03-15 14:03:55,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:03:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 151275 states and 717920 transitions. [2022-03-15 14:03:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:03:56,337 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:56,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:56,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:03:56,338 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:03:56,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:56,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1372275635, now seen corresponding path program 3 times [2022-03-15 14:03:56,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:56,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353660241] [2022-03-15 14:03:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:56,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:56,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353660241] [2022-03-15 14:03:56,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353660241] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:03:56,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:03:56,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 14:03:56,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815612343] [2022-03-15 14:03:56,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:03:56,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 14:03:56,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:56,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 14:03:56,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:03:56,888 INFO L87 Difference]: Start difference. First operand 151275 states and 717920 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:00,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:00,039 INFO L93 Difference]: Finished difference Result 226530 states and 1066169 transitions. [2022-03-15 14:04:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 14:04:00,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:04:00,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:02,053 INFO L225 Difference]: With dead ends: 226530 [2022-03-15 14:04:02,054 INFO L226 Difference]: Without dead ends: 146466 [2022-03-15 14:04:02,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-03-15 14:04:02,055 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 469 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:02,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 999 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:04:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146466 states. [2022-03-15 14:04:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146466 to 146038. [2022-03-15 14:04:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146038 states, 146037 states have (on average 4.742373508083568) internal successors, (692562), 146037 states have internal predecessors, (692562), 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) [2022-03-15 14:04:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146038 states to 146038 states and 692562 transitions. [2022-03-15 14:04:11,154 INFO L78 Accepts]: Start accepts. Automaton has 146038 states and 692562 transitions. Word has length 141 [2022-03-15 14:04:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:11,154 INFO L470 AbstractCegarLoop]: Abstraction has 146038 states and 692562 transitions. [2022-03-15 14:04:11,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 146038 states and 692562 transitions. [2022-03-15 14:04:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:04:12,101 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:12,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:12,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:04:12,101 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:04:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:12,102 INFO L85 PathProgramCache]: Analyzing trace with hash -427148241, now seen corresponding path program 4 times [2022-03-15 14:04:12,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:12,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977337299] [2022-03-15 14:04:12,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:12,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:12,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:12,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977337299] [2022-03-15 14:04:12,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977337299] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:12,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:12,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:04:12,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575114915] [2022-03-15 14:04:12,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:12,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:04:12,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:04:12,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:04:12,331 INFO L87 Difference]: Start difference. First operand 146038 states and 692562 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:16,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:16,460 INFO L93 Difference]: Finished difference Result 299654 states and 1406659 transitions. [2022-03-15 14:04:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:04:16,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:04:16,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:19,035 INFO L225 Difference]: With dead ends: 299654 [2022-03-15 14:04:19,035 INFO L226 Difference]: Without dead ends: 299654 [2022-03-15 14:04:19,035 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 [2022-03-15 14:04:19,043 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 245 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:19,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 683 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:04:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299654 states. [2022-03-15 14:04:31,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299654 to 167825. [2022-03-15 14:04:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167825 states, 167824 states have (on average 4.665965535322719) internal successors, (783061), 167824 states have internal predecessors, (783061), 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) [2022-03-15 14:04:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167825 states to 167825 states and 783061 transitions. [2022-03-15 14:04:33,299 INFO L78 Accepts]: Start accepts. Automaton has 167825 states and 783061 transitions. Word has length 141 [2022-03-15 14:04:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:33,300 INFO L470 AbstractCegarLoop]: Abstraction has 167825 states and 783061 transitions. [2022-03-15 14:04:33,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 167825 states and 783061 transitions. [2022-03-15 14:04:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:04:34,331 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:34,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:34,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 14:04:34,332 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:04:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1402004545, now seen corresponding path program 5 times [2022-03-15 14:04:34,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:34,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585997146] [2022-03-15 14:04:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:34,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:34,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585997146] [2022-03-15 14:04:34,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585997146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:34,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:34,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:04:34,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238576584] [2022-03-15 14:04:34,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:34,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:04:34,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:34,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:04:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:04:34,427 INFO L87 Difference]: Start difference. First operand 167825 states and 783061 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:37,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:37,122 INFO L93 Difference]: Finished difference Result 207636 states and 974306 transitions. [2022-03-15 14:04:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:04:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:04:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:39,266 INFO L225 Difference]: With dead ends: 207636 [2022-03-15 14:04:39,266 INFO L226 Difference]: Without dead ends: 207594 [2022-03-15 14:04:39,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:04:39,289 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 272 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:39,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1054 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:04:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207594 states. [2022-03-15 14:04:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207594 to 168171. [2022-03-15 14:04:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168171 states, 168170 states have (on average 4.662817387167747) internal successors, (784146), 168170 states have internal predecessors, (784146), 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) [2022-03-15 14:04:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168171 states to 168171 states and 784146 transitions. [2022-03-15 14:04:49,384 INFO L78 Accepts]: Start accepts. Automaton has 168171 states and 784146 transitions. Word has length 141 [2022-03-15 14:04:49,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:49,385 INFO L470 AbstractCegarLoop]: Abstraction has 168171 states and 784146 transitions. [2022-03-15 14:04:49,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 168171 states and 784146 transitions. [2022-03-15 14:04:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:04:49,970 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:49,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:49,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 14:04:49,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:04:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash 967658261, now seen corresponding path program 6 times [2022-03-15 14:04:49,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:49,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113810717] [2022-03-15 14:04:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:50,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:50,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113810717] [2022-03-15 14:04:50,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113810717] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:04:50,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:04:50,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:04:50,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990856722] [2022-03-15 14:04:50,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:04:50,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:04:50,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:50,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:04:50,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:04:50,368 INFO L87 Difference]: Start difference. First operand 168171 states and 784146 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:04:53,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:53,857 INFO L93 Difference]: Finished difference Result 276695 states and 1298917 transitions. [2022-03-15 14:04:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:04:53,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:04:53,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:57,455 INFO L225 Difference]: With dead ends: 276695 [2022-03-15 14:04:57,456 INFO L226 Difference]: Without dead ends: 276539 [2022-03-15 14:04:57,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:04:57,458 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 334 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:57,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 827 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:04:58,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276539 states. [2022-03-15 14:05:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276539 to 175348. [2022-03-15 14:05:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175348 states, 175347 states have (on average 4.655939365942959) internal successors, (816405), 175347 states have internal predecessors, (816405), 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) [2022-03-15 14:05:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175348 states to 175348 states and 816405 transitions. [2022-03-15 14:05:08,523 INFO L78 Accepts]: Start accepts. Automaton has 175348 states and 816405 transitions. Word has length 141 [2022-03-15 14:05:08,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:08,523 INFO L470 AbstractCegarLoop]: Abstraction has 175348 states and 816405 transitions. [2022-03-15 14:05:08,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 175348 states and 816405 transitions. [2022-03-15 14:05:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:05:09,568 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:09,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:09,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 14:05:09,568 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:05:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash -253399513, now seen corresponding path program 7 times [2022-03-15 14:05:09,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:09,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660324168] [2022-03-15 14:05:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:09,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:09,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:09,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660324168] [2022-03-15 14:05:09,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660324168] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:09,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:09,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 14:05:09,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120919496] [2022-03-15 14:05:09,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:09,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 14:05:09,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:09,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 14:05:09,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:05:09,689 INFO L87 Difference]: Start difference. First operand 175348 states and 816405 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:13,629 INFO L93 Difference]: Finished difference Result 325604 states and 1521083 transitions. [2022-03-15 14:05:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:05:13,630 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:05:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:17,949 INFO L225 Difference]: With dead ends: 325604 [2022-03-15 14:05:17,949 INFO L226 Difference]: Without dead ends: 325418 [2022-03-15 14:05:17,950 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 [2022-03-15 14:05:17,963 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 295 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:17,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 758 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:05:19,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325418 states. [2022-03-15 14:05:28,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325418 to 188043. [2022-03-15 14:05:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188043 states, 188042 states have (on average 4.631459992980291) internal successors, (870909), 188042 states have internal predecessors, (870909), 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) [2022-03-15 14:05:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188043 states to 188043 states and 870909 transitions. [2022-03-15 14:05:30,803 INFO L78 Accepts]: Start accepts. Automaton has 188043 states and 870909 transitions. Word has length 141 [2022-03-15 14:05:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:30,803 INFO L470 AbstractCegarLoop]: Abstraction has 188043 states and 870909 transitions. [2022-03-15 14:05:30,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 188043 states and 870909 transitions. [2022-03-15 14:05:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:05:31,898 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:31,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:31,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 14:05:31,900 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:05:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:31,902 INFO L85 PathProgramCache]: Analyzing trace with hash -565532079, now seen corresponding path program 8 times [2022-03-15 14:05:31,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:31,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948884463] [2022-03-15 14:05:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:31,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:31,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948884463] [2022-03-15 14:05:31,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948884463] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:31,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:31,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:05:31,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106769850] [2022-03-15 14:05:31,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:31,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:05:31,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:31,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:05:31,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:05:31,980 INFO L87 Difference]: Start difference. First operand 188043 states and 870909 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:35,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:35,856 INFO L93 Difference]: Finished difference Result 326495 states and 1511661 transitions. [2022-03-15 14:05:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:05:35,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:05:35,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:40,379 INFO L225 Difference]: With dead ends: 326495 [2022-03-15 14:05:40,379 INFO L226 Difference]: Without dead ends: 326327 [2022-03-15 14:05:40,379 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 [2022-03-15 14:05:40,380 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 316 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:40,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 612 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:05:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326327 states. [2022-03-15 14:05:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326327 to 195428. [2022-03-15 14:05:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195428 states, 195427 states have (on average 4.603683216751012) internal successors, (899684), 195427 states have internal predecessors, (899684), 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) [2022-03-15 14:05:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195428 states to 195428 states and 899684 transitions. [2022-03-15 14:05:53,420 INFO L78 Accepts]: Start accepts. Automaton has 195428 states and 899684 transitions. Word has length 141 [2022-03-15 14:05:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:53,420 INFO L470 AbstractCegarLoop]: Abstraction has 195428 states and 899684 transitions. [2022-03-15 14:05:53,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 195428 states and 899684 transitions. [2022-03-15 14:05:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:05:54,746 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:54,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:54,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 14:05:54,747 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:05:54,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2079323817, now seen corresponding path program 9 times [2022-03-15 14:05:54,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:54,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171737335] [2022-03-15 14:05:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:05:54,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:54,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171737335] [2022-03-15 14:05:54,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171737335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:05:54,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:05:54,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:05:54,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14198938] [2022-03-15 14:05:54,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:05:54,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:05:54,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:54,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:05:54,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:05:54,859 INFO L87 Difference]: Start difference. First operand 195428 states and 899684 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:05:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:59,747 INFO L93 Difference]: Finished difference Result 327908 states and 1515730 transitions. [2022-03-15 14:05:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:05:59,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:05:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:06:03,403 INFO L225 Difference]: With dead ends: 327908 [2022-03-15 14:06:03,403 INFO L226 Difference]: Without dead ends: 327728 [2022-03-15 14:06:03,403 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 [2022-03-15 14:06:03,405 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 157 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:06:03,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 707 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:06:04,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327728 states. [2022-03-15 14:06:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327728 to 201962. [2022-03-15 14:06:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201962 states, 201961 states have (on average 4.585117918806106) internal successors, (926015), 201961 states have internal predecessors, (926015), 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) [2022-03-15 14:06:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201962 states to 201962 states and 926015 transitions. [2022-03-15 14:06:15,723 INFO L78 Accepts]: Start accepts. Automaton has 201962 states and 926015 transitions. Word has length 141 [2022-03-15 14:06:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:06:15,723 INFO L470 AbstractCegarLoop]: Abstraction has 201962 states and 926015 transitions. [2022-03-15 14:06:15,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:06:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 201962 states and 926015 transitions. [2022-03-15 14:06:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:06:16,733 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:06:16,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:06:16,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 14:06:16,733 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:06:16,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:06:16,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1277658205, now seen corresponding path program 10 times [2022-03-15 14:06:16,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:06:16,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133183396] [2022-03-15 14:06:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:06:16,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:06:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:06:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:06:16,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:06:16,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133183396] [2022-03-15 14:06:16,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133183396] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:06:16,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:06:16,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:06:16,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548205253] [2022-03-15 14:06:16,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:06:16,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:06:16,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:06:16,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:06:16,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:06:16,800 INFO L87 Difference]: Start difference. First operand 201962 states and 926015 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:06:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:06:21,026 INFO L93 Difference]: Finished difference Result 324312 states and 1492298 transitions. [2022-03-15 14:06:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:06:21,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:06:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:06:24,706 INFO L225 Difference]: With dead ends: 324312 [2022-03-15 14:06:24,706 INFO L226 Difference]: Without dead ends: 324312 [2022-03-15 14:06:24,706 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 [2022-03-15 14:06:24,708 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 184 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:06:24,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 785 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:06:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324312 states. [2022-03-15 14:06:36,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324312 to 210711. [2022-03-15 14:06:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210711 states, 210710 states have (on average 4.540358786958379) internal successors, (956699), 210710 states have internal predecessors, (956699), 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) [2022-03-15 14:06:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210711 states to 210711 states and 956699 transitions. [2022-03-15 14:06:40,009 INFO L78 Accepts]: Start accepts. Automaton has 210711 states and 956699 transitions. Word has length 141 [2022-03-15 14:06:40,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:06:40,010 INFO L470 AbstractCegarLoop]: Abstraction has 210711 states and 956699 transitions. [2022-03-15 14:06:40,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:06:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 210711 states and 956699 transitions. [2022-03-15 14:06:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:06:40,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:06:40,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:06:40,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 14:06:40,833 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:06:40,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:06:40,833 INFO L85 PathProgramCache]: Analyzing trace with hash 952884763, now seen corresponding path program 11 times [2022-03-15 14:06:40,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:06:40,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800270055] [2022-03-15 14:06:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:06:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:06:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:06:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:06:40,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:06:40,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800270055] [2022-03-15 14:06:40,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800270055] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:06:40,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:06:40,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:06:40,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591991831] [2022-03-15 14:06:40,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:06:40,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:06:40,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:06:40,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:06:40,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:06:40,927 INFO L87 Difference]: Start difference. First operand 210711 states and 956699 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:06:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:06:47,089 INFO L93 Difference]: Finished difference Result 372906 states and 1696490 transitions. [2022-03-15 14:06:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:06:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:06:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:06:50,245 INFO L225 Difference]: With dead ends: 372906 [2022-03-15 14:06:50,246 INFO L226 Difference]: Without dead ends: 372906 [2022-03-15 14:06:50,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:06:50,247 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 366 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 14:06:50,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 875 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 14:06:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372906 states. [2022-03-15 14:07:02,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372906 to 227658. [2022-03-15 14:07:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227658 states, 227657 states have (on average 4.498842557004616) internal successors, (1024193), 227657 states have internal predecessors, (1024193), 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) [2022-03-15 14:07:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227658 states to 227658 states and 1024193 transitions. [2022-03-15 14:07:05,241 INFO L78 Accepts]: Start accepts. Automaton has 227658 states and 1024193 transitions. Word has length 141 [2022-03-15 14:07:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:05,242 INFO L470 AbstractCegarLoop]: Abstraction has 227658 states and 1024193 transitions. [2022-03-15 14:07:05,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 227658 states and 1024193 transitions. [2022-03-15 14:07:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:07:06,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:06,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:06,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 14:07:06,691 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:07:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:06,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2143037529, now seen corresponding path program 12 times [2022-03-15 14:07:06,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:06,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925843966] [2022-03-15 14:07:06,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:07,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:07,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925843966] [2022-03-15 14:07:07,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925843966] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:07,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:07,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 14:07:07,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624339075] [2022-03-15 14:07:07,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:07,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 14:07:07,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:07,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 14:07:07,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:07:07,169 INFO L87 Difference]: Start difference. First operand 227658 states and 1024193 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:07:12,372 INFO L93 Difference]: Finished difference Result 352818 states and 1591791 transitions. [2022-03-15 14:07:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 14:07:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:07:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:07:14,050 INFO L225 Difference]: With dead ends: 352818 [2022-03-15 14:07:14,050 INFO L226 Difference]: Without dead ends: 177480 [2022-03-15 14:07:14,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:07:14,050 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 552 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:07:14,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 1027 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:07:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177480 states. [2022-03-15 14:07:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177480 to 177480. [2022-03-15 14:07:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177480 states, 177479 states have (on average 4.445680897458291) internal successors, (789015), 177479 states have internal predecessors, (789015), 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) [2022-03-15 14:07:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177480 states to 177480 states and 789015 transitions. [2022-03-15 14:07:22,089 INFO L78 Accepts]: Start accepts. Automaton has 177480 states and 789015 transitions. Word has length 141 [2022-03-15 14:07:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:22,089 INFO L470 AbstractCegarLoop]: Abstraction has 177480 states and 789015 transitions. [2022-03-15 14:07:22,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 177480 states and 789015 transitions. [2022-03-15 14:07:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:07:22,959 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:22,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:22,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 14:07:22,960 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:07:22,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1084321801, now seen corresponding path program 13 times [2022-03-15 14:07:22,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:22,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952521385] [2022-03-15 14:07:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:22,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:23,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:23,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952521385] [2022-03-15 14:07:23,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952521385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:23,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:23,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:07:23,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485866967] [2022-03-15 14:07:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:23,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:07:23,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:07:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:07:23,116 INFO L87 Difference]: Start difference. First operand 177480 states and 789015 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:27,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:07:27,391 INFO L93 Difference]: Finished difference Result 319257 states and 1422152 transitions. [2022-03-15 14:07:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:07:27,391 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:07:27,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:07:30,786 INFO L225 Difference]: With dead ends: 319257 [2022-03-15 14:07:30,787 INFO L226 Difference]: Without dead ends: 318591 [2022-03-15 14:07:30,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:07:30,788 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 283 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:07:30,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 1530 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:07:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318591 states. [2022-03-15 14:07:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318591 to 182307. [2022-03-15 14:07:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182307 states, 182306 states have (on average 4.423227979331454) internal successors, (806381), 182306 states have internal predecessors, (806381), 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) [2022-03-15 14:07:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182307 states to 182307 states and 806381 transitions. [2022-03-15 14:07:42,364 INFO L78 Accepts]: Start accepts. Automaton has 182307 states and 806381 transitions. Word has length 141 [2022-03-15 14:07:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:42,365 INFO L470 AbstractCegarLoop]: Abstraction has 182307 states and 806381 transitions. [2022-03-15 14:07:42,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 182307 states and 806381 transitions. [2022-03-15 14:07:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:07:43,477 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:43,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:43,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 14:07:43,478 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:07:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1199409477, now seen corresponding path program 14 times [2022-03-15 14:07:43,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:43,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956159153] [2022-03-15 14:07:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:43,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:43,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:43,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956159153] [2022-03-15 14:07:43,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956159153] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:43,580 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:43,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:07:43,580 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587175659] [2022-03-15 14:07:43,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:43,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:07:43,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:07:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:07:43,581 INFO L87 Difference]: Start difference. First operand 182307 states and 806381 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:46,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:07:46,085 INFO L93 Difference]: Finished difference Result 226515 states and 1007077 transitions. [2022-03-15 14:07:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:07:46,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:07:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:07:47,948 INFO L225 Difference]: With dead ends: 226515 [2022-03-15 14:07:47,948 INFO L226 Difference]: Without dead ends: 226389 [2022-03-15 14:07:47,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:07:47,949 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 289 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:07:47,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 1002 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:07:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226389 states. [2022-03-15 14:07:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226389 to 177567. [2022-03-15 14:07:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177567 states, 177566 states have (on average 4.423870560805559) internal successors, (785529), 177566 states have internal predecessors, (785529), 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) [2022-03-15 14:07:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177567 states to 177567 states and 785529 transitions. [2022-03-15 14:07:58,389 INFO L78 Accepts]: Start accepts. Automaton has 177567 states and 785529 transitions. Word has length 141 [2022-03-15 14:07:58,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:58,389 INFO L470 AbstractCegarLoop]: Abstraction has 177567 states and 785529 transitions. [2022-03-15 14:07:58,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:07:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 177567 states and 785529 transitions. [2022-03-15 14:07:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:07:59,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:59,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:59,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 14:07:59,270 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:07:59,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash 246859135, now seen corresponding path program 15 times [2022-03-15 14:07:59,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:59,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306737118] [2022-03-15 14:07:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:59,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:59,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306737118] [2022-03-15 14:07:59,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306737118] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:59,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:59,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:07:59,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165226436] [2022-03-15 14:07:59,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:59,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:07:59,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:59,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:07:59,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:07:59,417 INFO L87 Difference]: Start difference. First operand 177567 states and 785529 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:02,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:02,176 INFO L93 Difference]: Finished difference Result 221871 states and 986393 transitions. [2022-03-15 14:08:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 14:08:02,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:08:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:04,159 INFO L225 Difference]: With dead ends: 221871 [2022-03-15 14:08:04,166 INFO L226 Difference]: Without dead ends: 221793 [2022-03-15 14:08:04,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2022-03-15 14:08:04,167 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 465 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:04,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 980 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:08:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221793 states. [2022-03-15 14:08:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221793 to 177621. [2022-03-15 14:08:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177621 states, 177620 states have (on average 4.422852156288706) internal successors, (785587), 177620 states have internal predecessors, (785587), 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) [2022-03-15 14:08:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177621 states to 177621 states and 785587 transitions. [2022-03-15 14:08:15,015 INFO L78 Accepts]: Start accepts. Automaton has 177621 states and 785587 transitions. Word has length 141 [2022-03-15 14:08:15,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:15,016 INFO L470 AbstractCegarLoop]: Abstraction has 177621 states and 785587 transitions. [2022-03-15 14:08:15,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:15,016 INFO L276 IsEmpty]: Start isEmpty. Operand 177621 states and 785587 transitions. [2022-03-15 14:08:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:08:15,908 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:15,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:15,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 14:08:15,908 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:08:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:15,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1523208277, now seen corresponding path program 16 times [2022-03-15 14:08:15,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:15,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425851506] [2022-03-15 14:08:15,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:15,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:08:16,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:16,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425851506] [2022-03-15 14:08:16,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425851506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:16,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:16,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:08:16,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583699217] [2022-03-15 14:08:16,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:16,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:08:16,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:16,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:08:16,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:08:16,040 INFO L87 Difference]: Start difference. First operand 177621 states and 785587 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:20,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:20,035 INFO L93 Difference]: Finished difference Result 316146 states and 1405801 transitions. [2022-03-15 14:08:20,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:08:20,035 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:08:20,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:23,868 INFO L225 Difference]: With dead ends: 316146 [2022-03-15 14:08:23,868 INFO L226 Difference]: Without dead ends: 315480 [2022-03-15 14:08:23,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:08:23,868 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 243 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:23,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 968 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:08:24,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315480 states. [2022-03-15 14:08:34,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315480 to 179409. [2022-03-15 14:08:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179409 states, 179408 states have (on average 4.4247357977347725) internal successors, (793833), 179408 states have internal predecessors, (793833), 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) [2022-03-15 14:08:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179409 states to 179409 states and 793833 transitions. [2022-03-15 14:08:37,631 INFO L78 Accepts]: Start accepts. Automaton has 179409 states and 793833 transitions. Word has length 141 [2022-03-15 14:08:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:37,632 INFO L470 AbstractCegarLoop]: Abstraction has 179409 states and 793833 transitions. [2022-03-15 14:08:37,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 179409 states and 793833 transitions. [2022-03-15 14:08:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:08:38,224 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:38,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:38,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 14:08:38,224 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:08:38,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:38,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1615866215, now seen corresponding path program 17 times [2022-03-15 14:08:38,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:38,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743492637] [2022-03-15 14:08:38,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:08:38,345 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:38,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743492637] [2022-03-15 14:08:38,345 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743492637] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:38,345 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:38,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:08:38,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051385576] [2022-03-15 14:08:38,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:38,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:08:38,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:38,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:08:38,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:08:38,346 INFO L87 Difference]: Start difference. First operand 179409 states and 793833 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:42,374 INFO L93 Difference]: Finished difference Result 311256 states and 1379717 transitions. [2022-03-15 14:08:42,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:08:42,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:08:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:46,706 INFO L225 Difference]: With dead ends: 311256 [2022-03-15 14:08:46,706 INFO L226 Difference]: Without dead ends: 310716 [2022-03-15 14:08:46,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:08:46,707 INFO L933 BasicCegarLoop]: 247 mSDtfsCounter, 254 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:46,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 1329 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 14:08:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310716 states. [2022-03-15 14:08:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310716 to 181533. [2022-03-15 14:08:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181533 states, 181532 states have (on average 4.403708437079964) internal successors, (799414), 181532 states have internal predecessors, (799414), 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) [2022-03-15 14:08:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181533 states to 181533 states and 799414 transitions. [2022-03-15 14:08:58,699 INFO L78 Accepts]: Start accepts. Automaton has 181533 states and 799414 transitions. Word has length 141 [2022-03-15 14:08:58,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:58,699 INFO L470 AbstractCegarLoop]: Abstraction has 181533 states and 799414 transitions. [2022-03-15 14:08:58,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:08:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 181533 states and 799414 transitions. [2022-03-15 14:08:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:08:59,411 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:59,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:59,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 14:08:59,411 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:08:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash -193164333, now seen corresponding path program 18 times [2022-03-15 14:08:59,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:59,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123706638] [2022-03-15 14:08:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:08:59,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:59,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123706638] [2022-03-15 14:08:59,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123706638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:59,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:59,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:08:59,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325688440] [2022-03-15 14:08:59,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:59,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:08:59,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:08:59,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:08:59,815 INFO L87 Difference]: Start difference. First operand 181533 states and 799414 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:03,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:09:03,551 INFO L93 Difference]: Finished difference Result 318765 states and 1385206 transitions. [2022-03-15 14:09:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:09:03,551 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:09:03,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:09:07,611 INFO L225 Difference]: With dead ends: 318765 [2022-03-15 14:09:07,612 INFO L226 Difference]: Without dead ends: 313767 [2022-03-15 14:09:07,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:09:07,630 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 238 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:09:07,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 1293 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:09:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313767 states. [2022-03-15 14:09:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313767 to 185187. [2022-03-15 14:09:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185187 states, 185186 states have (on average 4.355944833842731) internal successors, (806660), 185186 states have internal predecessors, (806660), 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) [2022-03-15 14:09:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185187 states to 185187 states and 806660 transitions. [2022-03-15 14:09:18,399 INFO L78 Accepts]: Start accepts. Automaton has 185187 states and 806660 transitions. Word has length 141 [2022-03-15 14:09:18,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:09:18,399 INFO L470 AbstractCegarLoop]: Abstraction has 185187 states and 806660 transitions. [2022-03-15 14:09:18,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 185187 states and 806660 transitions. [2022-03-15 14:09:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:09:19,362 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:09:19,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:09:19,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 14:09:19,362 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:09:19,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:09:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2137417589, now seen corresponding path program 19 times [2022-03-15 14:09:19,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:09:19,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655172830] [2022-03-15 14:09:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:09:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:09:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:09:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:09:19,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:09:19,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655172830] [2022-03-15 14:09:19,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655172830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:09:19,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:09:19,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 14:09:19,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802204046] [2022-03-15 14:09:19,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:09:19,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 14:09:19,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:09:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 14:09:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:09:19,506 INFO L87 Difference]: Start difference. First operand 185187 states and 806660 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:22,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:09:22,878 INFO L93 Difference]: Finished difference Result 300780 states and 1310854 transitions. [2022-03-15 14:09:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:09:22,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:09:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:09:25,665 INFO L225 Difference]: With dead ends: 300780 [2022-03-15 14:09:25,665 INFO L226 Difference]: Without dead ends: 297666 [2022-03-15 14:09:25,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:09:25,668 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 198 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:09:25,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 955 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:09:26,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297666 states. [2022-03-15 14:09:34,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297666 to 192297. [2022-03-15 14:09:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192297 states, 192296 states have (on average 4.3375681241419475) internal successors, (834097), 192296 states have internal predecessors, (834097), 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) [2022-03-15 14:09:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192297 states to 192297 states and 834097 transitions. [2022-03-15 14:09:36,132 INFO L78 Accepts]: Start accepts. Automaton has 192297 states and 834097 transitions. Word has length 141 [2022-03-15 14:09:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:09:36,133 INFO L470 AbstractCegarLoop]: Abstraction has 192297 states and 834097 transitions. [2022-03-15 14:09:36,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 192297 states and 834097 transitions. [2022-03-15 14:09:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:09:37,050 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:09:37,050 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:09:37,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 14:09:37,050 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:09:37,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:09:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash -149484903, now seen corresponding path program 20 times [2022-03-15 14:09:37,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:09:37,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115487840] [2022-03-15 14:09:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:09:37,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:09:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:09:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:09:37,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:09:37,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115487840] [2022-03-15 14:09:37,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115487840] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:09:37,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:09:37,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:09:37,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587170940] [2022-03-15 14:09:37,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:09:37,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:09:37,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:09:37,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:09:37,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:09:37,141 INFO L87 Difference]: Start difference. First operand 192297 states and 834097 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:09:40,994 INFO L93 Difference]: Finished difference Result 328671 states and 1419449 transitions. [2022-03-15 14:09:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:09:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:09:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:09:44,096 INFO L225 Difference]: With dead ends: 328671 [2022-03-15 14:09:44,096 INFO L226 Difference]: Without dead ends: 320565 [2022-03-15 14:09:44,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:09:44,101 INFO L933 BasicCegarLoop]: 247 mSDtfsCounter, 272 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:09:44,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1067 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:09:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320565 states. [2022-03-15 14:09:54,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320565 to 181593. [2022-03-15 14:09:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181593 states, 181592 states have (on average 4.293718886294551) internal successors, (779705), 181592 states have internal predecessors, (779705), 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) [2022-03-15 14:09:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181593 states to 181593 states and 779705 transitions. [2022-03-15 14:09:56,181 INFO L78 Accepts]: Start accepts. Automaton has 181593 states and 779705 transitions. Word has length 141 [2022-03-15 14:09:56,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:09:56,181 INFO L470 AbstractCegarLoop]: Abstraction has 181593 states and 779705 transitions. [2022-03-15 14:09:56,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:09:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 181593 states and 779705 transitions. [2022-03-15 14:09:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:09:56,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:09:56,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:09:56,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 14:09:56,987 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:09:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:09:56,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1690572185, now seen corresponding path program 21 times [2022-03-15 14:09:56,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:09:56,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367772282] [2022-03-15 14:09:56,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:09:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:09:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:09:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:09:57,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:09:57,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367772282] [2022-03-15 14:09:57,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367772282] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:09:57,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:09:57,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:09:57,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217427095] [2022-03-15 14:09:57,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:09:57,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:09:57,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:09:57,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:09:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:09:57,116 INFO L87 Difference]: Start difference. First operand 181593 states and 779705 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:10:00,458 INFO L93 Difference]: Finished difference Result 302160 states and 1293537 transitions. [2022-03-15 14:10:00,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 14:10:00,459 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:10:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:10:03,909 INFO L225 Difference]: With dead ends: 302160 [2022-03-15 14:10:03,909 INFO L226 Difference]: Without dead ends: 294156 [2022-03-15 14:10:03,909 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 [2022-03-15 14:10:03,911 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 556 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:10:03,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 1111 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:10:05,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294156 states. [2022-03-15 14:10:12,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294156 to 182253. [2022-03-15 14:10:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182253 states, 182252 states have (on average 4.257281127230428) internal successors, (775898), 182252 states have internal predecessors, (775898), 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) [2022-03-15 14:10:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182253 states to 182253 states and 775898 transitions. [2022-03-15 14:10:14,689 INFO L78 Accepts]: Start accepts. Automaton has 182253 states and 775898 transitions. Word has length 141 [2022-03-15 14:10:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:10:14,689 INFO L470 AbstractCegarLoop]: Abstraction has 182253 states and 775898 transitions. [2022-03-15 14:10:14,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 182253 states and 775898 transitions. [2022-03-15 14:10:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:10:15,493 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:10:15,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:10:15,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 14:10:15,505 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:10:15,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:10:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1816829631, now seen corresponding path program 22 times [2022-03-15 14:10:15,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:10:15,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319326878] [2022-03-15 14:10:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:10:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:10:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:10:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:10:15,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:10:15,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319326878] [2022-03-15 14:10:15,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319326878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:10:15,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:10:15,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:10:15,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467278717] [2022-03-15 14:10:15,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:10:15,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:10:15,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:10:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:10:15,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:10:15,659 INFO L87 Difference]: Start difference. First operand 182253 states and 775898 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:10:19,127 INFO L93 Difference]: Finished difference Result 295053 states and 1260752 transitions. [2022-03-15 14:10:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:10:19,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:10:19,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:10:22,758 INFO L225 Difference]: With dead ends: 295053 [2022-03-15 14:10:22,758 INFO L226 Difference]: Without dead ends: 294675 [2022-03-15 14:10:22,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:10:22,760 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 269 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:10:22,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 1348 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:10:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294675 states. [2022-03-15 14:10:30,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294675 to 176052. [2022-03-15 14:10:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176052 states, 176051 states have (on average 4.251858836359919) internal successors, (748544), 176051 states have internal predecessors, (748544), 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) [2022-03-15 14:10:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176052 states to 176052 states and 748544 transitions. [2022-03-15 14:10:32,539 INFO L78 Accepts]: Start accepts. Automaton has 176052 states and 748544 transitions. Word has length 141 [2022-03-15 14:10:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:10:32,539 INFO L470 AbstractCegarLoop]: Abstraction has 176052 states and 748544 transitions. [2022-03-15 14:10:32,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 176052 states and 748544 transitions. [2022-03-15 14:10:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:10:33,415 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:10:33,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:10:33,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 14:10:33,425 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:10:33,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:10:33,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1933344687, now seen corresponding path program 23 times [2022-03-15 14:10:33,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:10:33,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651232137] [2022-03-15 14:10:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:10:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:10:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:10:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:10:33,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:10:33,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651232137] [2022-03-15 14:10:33,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651232137] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:10:33,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:10:33,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:10:33,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153378915] [2022-03-15 14:10:33,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:10:33,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:10:33,534 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:10:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:10:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:10:33,535 INFO L87 Difference]: Start difference. First operand 176052 states and 748544 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:35,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:10:35,772 INFO L93 Difference]: Finished difference Result 229026 states and 955765 transitions. [2022-03-15 14:10:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:10:35,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:10:35,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:10:37,782 INFO L225 Difference]: With dead ends: 229026 [2022-03-15 14:10:37,782 INFO L226 Difference]: Without dead ends: 209142 [2022-03-15 14:10:37,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:10:37,785 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 279 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:10:37,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 968 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:10:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209142 states. [2022-03-15 14:10:45,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209142 to 122250. [2022-03-15 14:10:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122250 states, 122249 states have (on average 4.144058438105833) internal successors, (506607), 122249 states have internal predecessors, (506607), 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) [2022-03-15 14:10:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122250 states to 122250 states and 506607 transitions. [2022-03-15 14:10:46,900 INFO L78 Accepts]: Start accepts. Automaton has 122250 states and 506607 transitions. Word has length 141 [2022-03-15 14:10:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:10:46,900 INFO L470 AbstractCegarLoop]: Abstraction has 122250 states and 506607 transitions. [2022-03-15 14:10:46,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 122250 states and 506607 transitions. [2022-03-15 14:10:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:10:47,678 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:10:47,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:10:47,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 14:10:47,678 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:10:47,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:10:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1136146545, now seen corresponding path program 24 times [2022-03-15 14:10:47,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:10:47,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191864031] [2022-03-15 14:10:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:10:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:10:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:10:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:10:47,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:10:47,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191864031] [2022-03-15 14:10:47,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191864031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:10:47,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:10:47,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:10:47,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083653861] [2022-03-15 14:10:47,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:10:47,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:10:47,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:10:47,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:10:47,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:10:47,859 INFO L87 Difference]: Start difference. First operand 122250 states and 506607 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:10:49,681 INFO L93 Difference]: Finished difference Result 161658 states and 672295 transitions. [2022-03-15 14:10:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 14:10:49,682 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:10:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:10:51,005 INFO L225 Difference]: With dead ends: 161658 [2022-03-15 14:10:51,006 INFO L226 Difference]: Without dead ends: 161172 [2022-03-15 14:10:51,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2022-03-15 14:10:51,006 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 389 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:10:51,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 1168 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:10:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161172 states. [2022-03-15 14:10:54,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161172 to 120180. [2022-03-15 14:10:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120180 states, 120179 states have (on average 4.154935554464591) internal successors, (499336), 120179 states have internal predecessors, (499336), 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) [2022-03-15 14:10:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120180 states to 120180 states and 499336 transitions. [2022-03-15 14:10:55,956 INFO L78 Accepts]: Start accepts. Automaton has 120180 states and 499336 transitions. Word has length 141 [2022-03-15 14:10:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:10:55,957 INFO L470 AbstractCegarLoop]: Abstraction has 120180 states and 499336 transitions. [2022-03-15 14:10:55,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 120180 states and 499336 transitions. [2022-03-15 14:10:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:10:56,626 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:10:56,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:10:56,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 14:10:56,626 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:10:56,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:10:56,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1946327095, now seen corresponding path program 25 times [2022-03-15 14:10:56,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:10:56,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542599481] [2022-03-15 14:10:56,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:10:56,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:10:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:10:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:10:56,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:10:56,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542599481] [2022-03-15 14:10:56,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542599481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:10:56,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:10:56,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 14:10:56,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748528598] [2022-03-15 14:10:56,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:10:56,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 14:10:56,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:10:56,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 14:10:56,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:10:56,805 INFO L87 Difference]: Start difference. First operand 120180 states and 499336 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:10:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:10:58,814 INFO L93 Difference]: Finished difference Result 159720 states and 665255 transitions. [2022-03-15 14:10:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 14:10:58,814 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:10:58,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:10:59,694 INFO L225 Difference]: With dead ends: 159720 [2022-03-15 14:10:59,694 INFO L226 Difference]: Without dead ends: 159420 [2022-03-15 14:10:59,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=209, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:10:59,695 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 503 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:10:59,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 1252 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:11:00,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159420 states. [2022-03-15 14:11:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159420 to 120228. [2022-03-15 14:11:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120228 states, 120227 states have (on average 4.1533682117993465) internal successors, (499347), 120227 states have internal predecessors, (499347), 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) [2022-03-15 14:11:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120228 states to 120228 states and 499347 transitions. [2022-03-15 14:11:04,887 INFO L78 Accepts]: Start accepts. Automaton has 120228 states and 499347 transitions. Word has length 141 [2022-03-15 14:11:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:04,887 INFO L470 AbstractCegarLoop]: Abstraction has 120228 states and 499347 transitions. [2022-03-15 14:11:04,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 120228 states and 499347 transitions. [2022-03-15 14:11:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:05,252 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:05,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:05,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 14:11:05,253 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:05,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1141577571, now seen corresponding path program 26 times [2022-03-15 14:11:05,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:05,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21554677] [2022-03-15 14:11:05,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:05,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:05,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21554677] [2022-03-15 14:11:05,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21554677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:05,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:05,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 14:11:05,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811146490] [2022-03-15 14:11:05,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:05,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:11:05,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:11:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:11:05,408 INFO L87 Difference]: Start difference. First operand 120228 states and 499347 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:07,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:07,613 INFO L93 Difference]: Finished difference Result 210825 states and 881655 transitions. [2022-03-15 14:11:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:11:07,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:07,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:08,942 INFO L225 Difference]: With dead ends: 210825 [2022-03-15 14:11:08,943 INFO L226 Difference]: Without dead ends: 208827 [2022-03-15 14:11:08,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:11:08,944 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 327 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:08,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 817 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 14:11:09,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208827 states. [2022-03-15 14:11:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208827 to 125688. [2022-03-15 14:11:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125688 states, 125687 states have (on average 4.14522583879001) internal successors, (521001), 125687 states have internal predecessors, (521001), 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) [2022-03-15 14:11:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125688 states to 125688 states and 521001 transitions. [2022-03-15 14:11:15,337 INFO L78 Accepts]: Start accepts. Automaton has 125688 states and 521001 transitions. Word has length 141 [2022-03-15 14:11:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:15,338 INFO L470 AbstractCegarLoop]: Abstraction has 125688 states and 521001 transitions. [2022-03-15 14:11:15,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 125688 states and 521001 transitions. [2022-03-15 14:11:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:15,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:15,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:15,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 14:11:15,655 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:15,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash 426694581, now seen corresponding path program 27 times [2022-03-15 14:11:15,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:15,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019993579] [2022-03-15 14:11:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:15,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:15,804 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:15,804 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019993579] [2022-03-15 14:11:15,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019993579] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:15,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:15,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:11:15,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213770572] [2022-03-15 14:11:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:15,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:11:15,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:15,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:11:15,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:11:15,806 INFO L87 Difference]: Start difference. First operand 125688 states and 521001 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:18,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:18,059 INFO L93 Difference]: Finished difference Result 218451 states and 904710 transitions. [2022-03-15 14:11:18,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:11:18,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:19,298 INFO L225 Difference]: With dead ends: 218451 [2022-03-15 14:11:19,298 INFO L226 Difference]: Without dead ends: 214347 [2022-03-15 14:11:19,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:11:19,302 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 253 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:19,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 1044 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:11:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214347 states. [2022-03-15 14:11:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214347 to 125601. [2022-03-15 14:11:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125601 states, 125600 states have (on average 4.13374203821656) internal successors, (519198), 125600 states have internal predecessors, (519198), 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) [2022-03-15 14:11:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125601 states to 125601 states and 519198 transitions. [2022-03-15 14:11:26,492 INFO L78 Accepts]: Start accepts. Automaton has 125601 states and 519198 transitions. Word has length 141 [2022-03-15 14:11:26,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:26,492 INFO L470 AbstractCegarLoop]: Abstraction has 125601 states and 519198 transitions. [2022-03-15 14:11:26,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 125601 states and 519198 transitions. [2022-03-15 14:11:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:26,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:26,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:26,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 14:11:26,866 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:26,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2115452139, now seen corresponding path program 28 times [2022-03-15 14:11:26,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:26,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680522164] [2022-03-15 14:11:26,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:26,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:26,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:26,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680522164] [2022-03-15 14:11:26,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680522164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:26,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:26,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:11:26,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59398176] [2022-03-15 14:11:26,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:26,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:11:26,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:26,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:11:26,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:11:26,986 INFO L87 Difference]: Start difference. First operand 125601 states and 519198 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:29,481 INFO L93 Difference]: Finished difference Result 217518 states and 898440 transitions. [2022-03-15 14:11:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 14:11:29,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:29,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:30,828 INFO L225 Difference]: With dead ends: 217518 [2022-03-15 14:11:30,828 INFO L226 Difference]: Without dead ends: 214410 [2022-03-15 14:11:30,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-03-15 14:11:30,829 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 302 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:30,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 1846 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:11:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214410 states. [2022-03-15 14:11:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214410 to 125970. [2022-03-15 14:11:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125970 states, 125969 states have (on average 4.121172669466297) internal successors, (519140), 125969 states have internal predecessors, (519140), 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) [2022-03-15 14:11:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125970 states to 125970 states and 519140 transitions. [2022-03-15 14:11:36,792 INFO L78 Accepts]: Start accepts. Automaton has 125970 states and 519140 transitions. Word has length 141 [2022-03-15 14:11:36,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:36,793 INFO L470 AbstractCegarLoop]: Abstraction has 125970 states and 519140 transitions. [2022-03-15 14:11:36,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 125970 states and 519140 transitions. [2022-03-15 14:11:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:37,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:37,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:37,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 14:11:37,636 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:37,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:37,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1530504529, now seen corresponding path program 29 times [2022-03-15 14:11:37,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:37,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426403720] [2022-03-15 14:11:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:37,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:37,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426403720] [2022-03-15 14:11:37,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426403720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:37,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:37,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:11:37,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581777900] [2022-03-15 14:11:37,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:37,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:11:37,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:37,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:11:37,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:11:37,730 INFO L87 Difference]: Start difference. First operand 125970 states and 519140 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:40,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:40,010 INFO L93 Difference]: Finished difference Result 204105 states and 830438 transitions. [2022-03-15 14:11:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 14:11:40,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:40,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:41,876 INFO L225 Difference]: With dead ends: 204105 [2022-03-15 14:11:41,877 INFO L226 Difference]: Without dead ends: 180945 [2022-03-15 14:11:41,877 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 [2022-03-15 14:11:41,878 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 447 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:41,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 983 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:11:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180945 states. [2022-03-15 14:11:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180945 to 112194. [2022-03-15 14:11:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112194 states, 112193 states have (on average 4.07239310830444) internal successors, (456894), 112193 states have internal predecessors, (456894), 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) [2022-03-15 14:11:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112194 states to 112194 states and 456894 transitions. [2022-03-15 14:11:47,297 INFO L78 Accepts]: Start accepts. Automaton has 112194 states and 456894 transitions. Word has length 141 [2022-03-15 14:11:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:47,298 INFO L470 AbstractCegarLoop]: Abstraction has 112194 states and 456894 transitions. [2022-03-15 14:11:47,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 112194 states and 456894 transitions. [2022-03-15 14:11:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:47,614 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:47,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:47,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 14:11:47,614 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:47,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1722220939, now seen corresponding path program 30 times [2022-03-15 14:11:47,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:47,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964501489] [2022-03-15 14:11:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:47,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:47,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964501489] [2022-03-15 14:11:47,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964501489] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:47,753 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:47,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 14:11:47,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170619871] [2022-03-15 14:11:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:47,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 14:11:47,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 14:11:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:11:47,754 INFO L87 Difference]: Start difference. First operand 112194 states and 456894 transitions. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:49,338 INFO L93 Difference]: Finished difference Result 152655 states and 621946 transitions. [2022-03-15 14:11:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 14:11:49,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:50,511 INFO L225 Difference]: With dead ends: 152655 [2022-03-15 14:11:50,511 INFO L226 Difference]: Without dead ends: 151521 [2022-03-15 14:11:50,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=103, Unknown=0, NotChecked=0, Total=182 [2022-03-15 14:11:50,513 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 296 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:50,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 1114 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:11:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151521 states. [2022-03-15 14:11:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151521 to 106542. [2022-03-15 14:11:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106542 states, 106541 states have (on average 4.067166630686778) internal successors, (433320), 106541 states have internal predecessors, (433320), 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) [2022-03-15 14:11:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106542 states to 106542 states and 433320 transitions. [2022-03-15 14:11:55,338 INFO L78 Accepts]: Start accepts. Automaton has 106542 states and 433320 transitions. Word has length 141 [2022-03-15 14:11:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:11:55,339 INFO L470 AbstractCegarLoop]: Abstraction has 106542 states and 433320 transitions. [2022-03-15 14:11:55,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 106542 states and 433320 transitions. [2022-03-15 14:11:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:11:55,692 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:11:55,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:11:55,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 14:11:55,692 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:11:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:11:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1943886693, now seen corresponding path program 31 times [2022-03-15 14:11:55,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:11:55,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358680743] [2022-03-15 14:11:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:11:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:11:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:11:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:11:55,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:11:55,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358680743] [2022-03-15 14:11:55,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358680743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:11:55,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:11:55,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:11:55,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355676953] [2022-03-15 14:11:55,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:11:55,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:11:55,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:11:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:11:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:11:55,806 INFO L87 Difference]: Start difference. First operand 106542 states and 433320 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:11:57,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:11:57,640 INFO L93 Difference]: Finished difference Result 148434 states and 604009 transitions. [2022-03-15 14:11:57,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 14:11:57,640 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:11:57,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:11:58,722 INFO L225 Difference]: With dead ends: 148434 [2022-03-15 14:11:58,723 INFO L226 Difference]: Without dead ends: 145842 [2022-03-15 14:11:58,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2022-03-15 14:11:58,723 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 410 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:11:58,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 1253 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:11:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145842 states. [2022-03-15 14:12:02,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145842 to 101169. [2022-03-15 14:12:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101169 states, 101168 states have (on average 4.059999209236122) internal successors, (410742), 101168 states have internal predecessors, (410742), 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) [2022-03-15 14:12:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101169 states to 101169 states and 410742 transitions. [2022-03-15 14:12:04,119 INFO L78 Accepts]: Start accepts. Automaton has 101169 states and 410742 transitions. Word has length 141 [2022-03-15 14:12:04,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:12:04,119 INFO L470 AbstractCegarLoop]: Abstraction has 101169 states and 410742 transitions. [2022-03-15 14:12:04,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:12:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 101169 states and 410742 transitions. [2022-03-15 14:12:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:12:04,597 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:12:04,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:12:04,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 14:12:04,598 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:12:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:12:04,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1642723309, now seen corresponding path program 32 times [2022-03-15 14:12:04,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:12:04,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432013706] [2022-03-15 14:12:04,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:12:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:12:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:12:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:12:04,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:12:04,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432013706] [2022-03-15 14:12:04,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432013706] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:12:04,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:12:04,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 14:12:04,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113263384] [2022-03-15 14:12:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:12:04,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 14:12:04,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:12:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 14:12:04,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-15 14:12:04,752 INFO L87 Difference]: Start difference. First operand 101169 states and 410742 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:12:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:12:06,779 INFO L93 Difference]: Finished difference Result 166587 states and 680401 transitions. [2022-03-15 14:12:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 14:12:06,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:12:06,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:12:08,054 INFO L225 Difference]: With dead ends: 166587 [2022-03-15 14:12:08,054 INFO L226 Difference]: Without dead ends: 164271 [2022-03-15 14:12:08,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:12:08,055 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 305 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 14:12:08,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [305 Valid, 2156 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 14:12:08,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164271 states. [2022-03-15 14:12:11,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164271 to 99009. [2022-03-15 14:12:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99009 states, 99008 states have (on average 4.07112556561086) internal successors, (403074), 99008 states have internal predecessors, (403074), 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) [2022-03-15 14:12:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99009 states to 99009 states and 403074 transitions. [2022-03-15 14:12:12,784 INFO L78 Accepts]: Start accepts. Automaton has 99009 states and 403074 transitions. Word has length 141 [2022-03-15 14:12:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:12:12,784 INFO L470 AbstractCegarLoop]: Abstraction has 99009 states and 403074 transitions. [2022-03-15 14:12:12,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 12 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:12:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 99009 states and 403074 transitions. [2022-03-15 14:12:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 14:12:13,093 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:12:13,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:12:13,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 14:12:13,093 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-15 14:12:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:12:13,094 INFO L85 PathProgramCache]: Analyzing trace with hash -832542759, now seen corresponding path program 33 times [2022-03-15 14:12:13,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:12:13,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123522949] [2022-03-15 14:12:13,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:12:13,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:12:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:12:13,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:12:13,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:12:13,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123522949] [2022-03-15 14:12:13,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123522949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:12:13,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:12:13,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-03-15 14:12:13,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268680091] [2022-03-15 14:12:13,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:12:13,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 14:12:13,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:12:13,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 14:12:13,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-15 14:12:13,223 INFO L87 Difference]: Start difference. First operand 99009 states and 403074 transitions. Second operand has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 14:12:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:12:14,845 INFO L93 Difference]: Finished difference Result 137493 states and 560431 transitions. [2022-03-15 14:12:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 14:12:14,845 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.846153846153847) internal successors, (141), 13 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 14:12:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:12:15,811 INFO L225 Difference]: With dead ends: 137493 [2022-03-15 14:12:15,811 INFO L226 Difference]: Without dead ends: 133545 [2022-03-15 14:12:15,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=208, Invalid=344, Unknown=0, NotChecked=0, Total=552 [2022-03-15 14:12:15,812 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 576 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:12:15,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 1799 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:12:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133545 states. Received shutdown request... [2022-03-15 14:12:16,844 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-03-15 14:12:16,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 14:12:16,844 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-03-15 14:12:16,845 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2022-03-15 14:12:16,845 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2022-03-15 14:12:16,845 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 6 remaining) [2022-03-15 14:12:16,845 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 6 remaining) [2022-03-15 14:12:16,845 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (0 of 6 remaining) [2022-03-15 14:12:16,847 INFO L732 BasicCegarLoop]: Path program histogram: [33] [2022-03-15 14:12:16,849 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 14:12:16,851 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 14:12:16,851 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 14:12:16,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:12:16 BasicIcfg [2022-03-15 14:12:16,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 14:12:16,853 INFO L158 Benchmark]: Toolchain (without parser) took 544994.93ms. Allocated memory was 180.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.6MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 3.7GB. Max. memory is 8.0GB. [2022-03-15 14:12:16,853 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 14:12:16,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.63ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 123.4MB in the beginning and 192.8MB in the end (delta: -69.3MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-03-15 14:12:16,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.56ms. Allocated memory is still 222.3MB. Free memory was 192.8MB in the beginning and 190.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:12:16,859 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 222.3MB. Free memory was 190.7MB in the beginning and 189.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:12:16,859 INFO L158 Benchmark]: RCFGBuilder took 495.11ms. Allocated memory is still 222.3MB. Free memory was 189.1MB in the beginning and 166.5MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-03-15 14:12:16,859 INFO L158 Benchmark]: TraceAbstraction took 544200.67ms. Allocated memory was 222.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 166.0MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 3.7GB. Max. memory is 8.0GB. [2022-03-15 14:12:16,862 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 180.4MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.63ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 123.4MB in the beginning and 192.8MB in the end (delta: -69.3MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.56ms. Allocated memory is still 222.3MB. Free memory was 192.8MB in the beginning and 190.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 222.3MB. Free memory was 190.7MB in the beginning and 189.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 495.11ms. Allocated memory is still 222.3MB. Free memory was 189.1MB in the beginning and 166.5MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 544200.67ms. Allocated memory was 222.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 166.0MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 3.7GB. 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 - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 157]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 159]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 158]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 205 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 544.0s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 33, EmptinessCheckTime: 26.6s, AutomataDifference: 191.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10968 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10968 mSDsluCounter, 35701 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31068 mSDsCounter, 1533 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15362 IncrementalHoareTripleChecker+Invalid, 16895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1533 mSolverCounterUnsat, 7916 mSDtfsCounter, 15362 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227658occurred in iteration=11, InterpolantAutomatonStates: 359, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 315.8s AutomataMinimizationTime, 33 MinimizatonAttempts, 2971415 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 4653 NumberOfCodeBlocks, 4653 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4620 ConstructedInterpolants, 0 QuantifiedInterpolants, 14109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown