/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 17:12:58,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 17:12:58,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 17:12:58,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 17:12:58,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 17:12:58,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 17:12:58,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 17:12:58,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 17:12:58,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 17:12:58,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 17:12:58,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 17:12:58,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 17:12:58,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 17:12:58,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 17:12:58,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 17:12:58,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 17:12:58,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 17:12:58,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 17:12:58,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 17:12:58,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 17:12:58,889 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-Delay.epf [2021-08-21 17:12:58,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 17:12:58,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 17:12:58,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 17:12:58,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 17:12:58,929 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 17:12:58,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 17:12:58,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 17:12:58,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 17:12:58,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 17:12:58,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 17:12:58,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 17:12:58,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 17:12:58,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 17:12:58,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 17:12:58,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 17:12:58,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 17:12:58,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 17:12:58,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 17:12:58,944 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 17:12:58,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 17:12:59,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 17:12:59,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 17:12:59,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 17:12:59,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 17:12:59,270 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 17:12:59,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-08-21 17:12:59,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d69958/5db56b0434f046b5853069dc5fcba6be/FLAG13840a695 [2021-08-21 17:12:59,836 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 17:12:59,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-08-21 17:12:59,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d69958/5db56b0434f046b5853069dc5fcba6be/FLAG13840a695 [2021-08-21 17:13:00,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d69958/5db56b0434f046b5853069dc5fcba6be [2021-08-21 17:13:00,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 17:13:00,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 17:13:00,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 17:13:00,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 17:13:00,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 17:13:00,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:13:00" (1/1) ... [2021-08-21 17:13:00,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18759e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:00, skipping insertion in model container [2021-08-21 17:13:00,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:13:00" (1/1) ... [2021-08-21 17:13:00,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 17:13:00,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 17:13:00,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-08-21 17:13:01,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 17:13:01,015 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 17:13:01,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-08-21 17:13:01,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 17:13:01,205 INFO L208 MainTranslator]: Completed translation [2021-08-21 17:13:01,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01 WrapperNode [2021-08-21 17:13:01,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 17:13:01,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 17:13:01,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 17:13:01,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 17:13:01,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 17:13:01,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 17:13:01,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 17:13:01,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 17:13:01,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 17:13:01,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 17:13:01,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 17:13:01,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 17:13:01,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (1/1) ... [2021-08-21 17:13:01,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 17:13:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 17:13:01,350 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) [2021-08-21 17:13:01,365 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 [2021-08-21 17:13:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 17:13:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 17:13:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-21 17:13:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-21 17:13:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 17:13:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 17:13:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-21 17:13:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-21 17:13:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 17:13:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 17:13:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 17:13:01,391 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 17:13:01,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 17:13:01,971 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-21 17:13:01,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:13:01 BoogieIcfgContainer [2021-08-21 17:13:01,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 17:13:01,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 17:13:01,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 17:13:01,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 17:13:01,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:13:00" (1/3) ... [2021-08-21 17:13:01,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427276bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:13:01, skipping insertion in model container [2021-08-21 17:13:01,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:01" (2/3) ... [2021-08-21 17:13:01,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427276bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:13:01, skipping insertion in model container [2021-08-21 17:13:01,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:13:01" (3/3) ... [2021-08-21 17:13:01,979 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-08-21 17:13:01,983 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 17:13:01,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 17:13:01,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-21 17:13:01,984 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 17:13:02,019 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,024 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,026 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,026 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,027 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,027 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,028 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,033 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,033 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,033 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,039 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,041 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,061 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,062 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,062 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 17:13:02,072 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 17:13:02,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 17:13:02,124 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-21 17:13:02,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-21 17:13:58,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 8104 states, 7539 states have (on average 1.4714153070699032) internal successors, (11093), 8103 states have internal predecessors, (11093), 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) [2021-08-21 17:13:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-21 17:13:58,495 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:13:58,495 INFO L512 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] [2021-08-21 17:13:58,496 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:13:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:13:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1349644419, now seen corresponding path program 1 times [2021-08-21 17:13:58,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:13:58,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593297033] [2021-08-21 17:13:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:13:58,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:13:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:13:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:13:58,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:13:58,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593297033] [2021-08-21 17:13:58,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593297033] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:13:58,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:13:58,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 17:13:58,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602606484] [2021-08-21 17:13:58,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 17:13:58,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:13:58,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 17:13:58,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 17:13:58,966 INFO L87 Difference]: Start difference. First operand has 8104 states, 7539 states have (on average 1.4714153070699032) internal successors, (11093), 8103 states have internal predecessors, (11093), 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 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-08-21 17:13:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:13:59,269 INFO L93 Difference]: Finished difference Result 7706 states and 10430 transitions. [2021-08-21 17:13:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 17:13:59,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 36 [2021-08-21 17:13:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:13:59,300 INFO L225 Difference]: With dead ends: 7706 [2021-08-21 17:13:59,300 INFO L226 Difference]: Without dead ends: 3278 [2021-08-21 17:13:59,301 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 68.3ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-21 17:13:59,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2021-08-21 17:13:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 3277. [2021-08-21 17:13:59,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 3244 states have (on average 1.4654747225647349) internal successors, (4754), 3276 states have internal predecessors, (4754), 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) [2021-08-21 17:13:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4754 transitions. [2021-08-21 17:13:59,437 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4754 transitions. Word has length 36 [2021-08-21 17:13:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:13:59,437 INFO L470 AbstractCegarLoop]: Abstraction has 3277 states and 4754 transitions. [2021-08-21 17:13:59,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-08-21 17:13:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4754 transitions. [2021-08-21 17:13:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-21 17:13:59,439 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:13:59,439 INFO L512 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] [2021-08-21 17:13:59,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 17:13:59,439 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:13:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:13:59,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1566262659, now seen corresponding path program 1 times [2021-08-21 17:13:59,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:13:59,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171678226] [2021-08-21 17:13:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:13:59,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:13:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:13:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:13:59,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:13:59,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171678226] [2021-08-21 17:13:59,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171678226] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:13:59,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:13:59,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 17:13:59,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047961854] [2021-08-21 17:13:59,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 17:13:59,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:13:59,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 17:13:59,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 17:13:59,581 INFO L87 Difference]: Start difference. First operand 3277 states and 4754 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-08-21 17:13:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:13:59,734 INFO L93 Difference]: Finished difference Result 3279 states and 4756 transitions. [2021-08-21 17:13:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-21 17:13:59,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2021-08-21 17:13:59,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:13:59,748 INFO L225 Difference]: With dead ends: 3279 [2021-08-21 17:13:59,748 INFO L226 Difference]: Without dead ends: 3279 [2021-08-21 17:13:59,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 62.3ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-21 17:13:59,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2021-08-21 17:13:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3275. [2021-08-21 17:13:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3275 states, 3243 states have (on average 1.4653098982423682) internal successors, (4752), 3274 states have internal predecessors, (4752), 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) [2021-08-21 17:13:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 4752 transitions. [2021-08-21 17:13:59,821 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 4752 transitions. Word has length 42 [2021-08-21 17:13:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:13:59,822 INFO L470 AbstractCegarLoop]: Abstraction has 3275 states and 4752 transitions. [2021-08-21 17:13:59,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-08-21 17:13:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 4752 transitions. [2021-08-21 17:13:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-21 17:13:59,823 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:13:59,824 INFO L512 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] [2021-08-21 17:13:59,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 17:13:59,824 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:13:59,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:13:59,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1972985873, now seen corresponding path program 1 times [2021-08-21 17:13:59,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:13:59,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364048294] [2021-08-21 17:13:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:13:59,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:13:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:13:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:13:59,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:13:59,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364048294] [2021-08-21 17:13:59,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364048294] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:13:59,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:13:59,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 17:13:59,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430944171] [2021-08-21 17:13:59,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 17:13:59,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:13:59,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 17:13:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 17:13:59,952 INFO L87 Difference]: Start difference. First operand 3275 states and 4752 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-08-21 17:14:00,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:00,267 INFO L93 Difference]: Finished difference Result 5382 states and 8248 transitions. [2021-08-21 17:14:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 17:14:00,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 60 [2021-08-21 17:14:00,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:00,292 INFO L225 Difference]: With dead ends: 5382 [2021-08-21 17:14:00,292 INFO L226 Difference]: Without dead ends: 5382 [2021-08-21 17:14:00,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 127.5ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-21 17:14:00,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2021-08-21 17:14:00,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 3689. [2021-08-21 17:14:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 3658 states have (on average 1.5177692728266812) internal successors, (5552), 3688 states have internal predecessors, (5552), 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) [2021-08-21 17:14:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 5552 transitions. [2021-08-21 17:14:00,409 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 5552 transitions. Word has length 60 [2021-08-21 17:14:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:00,411 INFO L470 AbstractCegarLoop]: Abstraction has 3689 states and 5552 transitions. [2021-08-21 17:14:00,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-08-21 17:14:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 5552 transitions. [2021-08-21 17:14:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-08-21 17:14:00,416 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:00,417 INFO L512 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] [2021-08-21 17:14:00,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 17:14:00,417 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:00,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:00,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1298231863, now seen corresponding path program 1 times [2021-08-21 17:14:00,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:00,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366167678] [2021-08-21 17:14:00,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:00,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:00,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:00,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366167678] [2021-08-21 17:14:00,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366167678] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:00,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:00,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 17:14:00,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870849717] [2021-08-21 17:14:00,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 17:14:00,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:00,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 17:14:00,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 17:14:00,584 INFO L87 Difference]: Start difference. First operand 3689 states and 5552 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2021-08-21 17:14:00,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:00,852 INFO L93 Difference]: Finished difference Result 5796 states and 9000 transitions. [2021-08-21 17:14:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 17:14:00,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 66 [2021-08-21 17:14:00,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:00,871 INFO L225 Difference]: With dead ends: 5796 [2021-08-21 17:14:00,871 INFO L226 Difference]: Without dead ends: 4661 [2021-08-21 17:14:00,872 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 79.4ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-08-21 17:14:00,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states. [2021-08-21 17:14:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 3839. [2021-08-21 17:14:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 3809 states have (on average 1.651352060908375) internal successors, (6290), 3838 states have internal predecessors, (6290), 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) [2021-08-21 17:14:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 6290 transitions. [2021-08-21 17:14:00,966 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 6290 transitions. Word has length 66 [2021-08-21 17:14:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:00,969 INFO L470 AbstractCegarLoop]: Abstraction has 3839 states and 6290 transitions. [2021-08-21 17:14:00,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2021-08-21 17:14:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 6290 transitions. [2021-08-21 17:14:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-08-21 17:14:00,974 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:00,975 INFO L512 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] [2021-08-21 17:14:00,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 17:14:00,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:00,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:00,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1435266818, now seen corresponding path program 1 times [2021-08-21 17:14:00,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:00,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420937855] [2021-08-21 17:14:00,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:00,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:01,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:01,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420937855] [2021-08-21 17:14:01,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420937855] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:01,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:01,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-21 17:14:01,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038770707] [2021-08-21 17:14:01,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-21 17:14:01,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:01,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-21 17:14:01,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-21 17:14:01,115 INFO L87 Difference]: Start difference. First operand 3839 states and 6290 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2021-08-21 17:14:01,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:01,146 INFO L93 Difference]: Finished difference Result 579 states and 765 transitions. [2021-08-21 17:14:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 17:14:01,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2021-08-21 17:14:01,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:01,150 INFO L225 Difference]: With dead ends: 579 [2021-08-21 17:14:01,150 INFO L226 Difference]: Without dead ends: 579 [2021-08-21 17:14:01,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-21 17:14:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2021-08-21 17:14:01,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2021-08-21 17:14:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 577 states have (on average 1.3258232235701906) internal successors, (765), 578 states have internal predecessors, (765), 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) [2021-08-21 17:14:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 765 transitions. [2021-08-21 17:14:01,161 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 765 transitions. Word has length 80 [2021-08-21 17:14:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:01,161 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 765 transitions. [2021-08-21 17:14:01,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2021-08-21 17:14:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 765 transitions. [2021-08-21 17:14:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-21 17:14:01,163 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:01,164 INFO L512 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] [2021-08-21 17:14:01,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 17:14:01,164 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:01,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:01,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1469116972, now seen corresponding path program 1 times [2021-08-21 17:14:01,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:01,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935164261] [2021-08-21 17:14:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:01,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:01,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:01,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935164261] [2021-08-21 17:14:01,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935164261] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:01,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:01,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-21 17:14:01,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185602695] [2021-08-21 17:14:01,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 17:14:01,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:01,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 17:14:01,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-21 17:14:01,736 INFO L87 Difference]: Start difference. First operand 579 states and 765 transitions. Second operand has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 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) [2021-08-21 17:14:02,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:02,427 INFO L93 Difference]: Finished difference Result 680 states and 905 transitions. [2021-08-21 17:14:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 17:14:02,428 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 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 113 [2021-08-21 17:14:02,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:02,431 INFO L225 Difference]: With dead ends: 680 [2021-08-21 17:14:02,431 INFO L226 Difference]: Without dead ends: 680 [2021-08-21 17:14:02,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 572.6ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-08-21 17:14:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-08-21 17:14:02,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 672. [2021-08-21 17:14:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 670 states have (on average 1.3402985074626865) internal successors, (898), 671 states have internal predecessors, (898), 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) [2021-08-21 17:14:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 898 transitions. [2021-08-21 17:14:02,443 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 898 transitions. Word has length 113 [2021-08-21 17:14:02,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:02,443 INFO L470 AbstractCegarLoop]: Abstraction has 672 states and 898 transitions. [2021-08-21 17:14:02,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 15 states have internal predecessors, (113), 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) [2021-08-21 17:14:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 898 transitions. [2021-08-21 17:14:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-21 17:14:02,445 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:02,445 INFO L512 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] [2021-08-21 17:14:02,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 17:14:02,445 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash -898795568, now seen corresponding path program 2 times [2021-08-21 17:14:02,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:02,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276769331] [2021-08-21 17:14:02,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:02,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:03,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:03,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276769331] [2021-08-21 17:14:03,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276769331] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:03,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:03,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-21 17:14:03,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618252712] [2021-08-21 17:14:03,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 17:14:03,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 17:14:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-08-21 17:14:03,243 INFO L87 Difference]: Start difference. First operand 672 states and 898 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:04,352 INFO L93 Difference]: Finished difference Result 951 states and 1326 transitions. [2021-08-21 17:14:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-21 17:14:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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 113 [2021-08-21 17:14:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:04,356 INFO L225 Difference]: With dead ends: 951 [2021-08-21 17:14:04,356 INFO L226 Difference]: Without dead ends: 951 [2021-08-21 17:14:04,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 876.0ms TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2021-08-21 17:14:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-08-21 17:14:04,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 728. [2021-08-21 17:14:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 726 states have (on average 1.3953168044077136) internal successors, (1013), 727 states have internal predecessors, (1013), 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) [2021-08-21 17:14:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1013 transitions. [2021-08-21 17:14:04,370 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1013 transitions. Word has length 113 [2021-08-21 17:14:04,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:04,371 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1013 transitions. [2021-08-21 17:14:04,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1013 transitions. [2021-08-21 17:14:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-21 17:14:04,372 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:04,373 INFO L512 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] [2021-08-21 17:14:04,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 17:14:04,373 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:04,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:04,373 INFO L82 PathProgramCache]: Analyzing trace with hash -553972034, now seen corresponding path program 3 times [2021-08-21 17:14:04,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:04,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476164749] [2021-08-21 17:14:04,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:04,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:05,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:05,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476164749] [2021-08-21 17:14:05,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476164749] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:05,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:05,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-21 17:14:05,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003687189] [2021-08-21 17:14:05,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 17:14:05,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:05,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 17:14:05,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-08-21 17:14:05,030 INFO L87 Difference]: Start difference. First operand 728 states and 1013 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:06,024 INFO L93 Difference]: Finished difference Result 1109 states and 1584 transitions. [2021-08-21 17:14:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-21 17:14:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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 113 [2021-08-21 17:14:06,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:06,029 INFO L225 Difference]: With dead ends: 1109 [2021-08-21 17:14:06,029 INFO L226 Difference]: Without dead ends: 1109 [2021-08-21 17:14:06,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 801.2ms TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2021-08-21 17:14:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2021-08-21 17:14:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 716. [2021-08-21 17:14:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 714 states have (on average 1.387955182072829) internal successors, (991), 715 states have internal predecessors, (991), 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) [2021-08-21 17:14:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 991 transitions. [2021-08-21 17:14:06,043 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 991 transitions. Word has length 113 [2021-08-21 17:14:06,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:06,043 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 991 transitions. [2021-08-21 17:14:06,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 991 transitions. [2021-08-21 17:14:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-21 17:14:06,045 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:06,045 INFO L512 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] [2021-08-21 17:14:06,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 17:14:06,046 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:06,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:06,046 INFO L82 PathProgramCache]: Analyzing trace with hash 256790792, now seen corresponding path program 4 times [2021-08-21 17:14:06,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:06,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358123225] [2021-08-21 17:14:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:06,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:06,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:06,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358123225] [2021-08-21 17:14:06,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358123225] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:06,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:06,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-21 17:14:06,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979912541] [2021-08-21 17:14:06,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 17:14:06,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 17:14:06,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-08-21 17:14:06,791 INFO L87 Difference]: Start difference. First operand 716 states and 991 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:07,818 INFO L93 Difference]: Finished difference Result 1089 states and 1551 transitions. [2021-08-21 17:14:07,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-21 17:14:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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 113 [2021-08-21 17:14:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:07,822 INFO L225 Difference]: With dead ends: 1089 [2021-08-21 17:14:07,822 INFO L226 Difference]: Without dead ends: 1089 [2021-08-21 17:14:07,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 865.3ms TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2021-08-21 17:14:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2021-08-21 17:14:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 712. [2021-08-21 17:14:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 710 states have (on average 1.3859154929577464) internal successors, (984), 711 states have internal predecessors, (984), 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) [2021-08-21 17:14:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 984 transitions. [2021-08-21 17:14:07,840 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 984 transitions. Word has length 113 [2021-08-21 17:14:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:07,841 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 984 transitions. [2021-08-21 17:14:07,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 984 transitions. [2021-08-21 17:14:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-21 17:14:07,843 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:07,843 INFO L512 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] [2021-08-21 17:14:07,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-21 17:14:07,843 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:07,844 INFO L82 PathProgramCache]: Analyzing trace with hash -548649344, now seen corresponding path program 5 times [2021-08-21 17:14:07,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:07,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194934099] [2021-08-21 17:14:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:07,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:08,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:08,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194934099] [2021-08-21 17:14:08,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194934099] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:08,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:08,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-21 17:14:08,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094525489] [2021-08-21 17:14:08,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 17:14:08,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 17:14:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-08-21 17:14:08,529 INFO L87 Difference]: Start difference. First operand 712 states and 984 transitions. Second operand has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:09,618 INFO L93 Difference]: Finished difference Result 924 states and 1286 transitions. [2021-08-21 17:14:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-21 17:14:09,619 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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 113 [2021-08-21 17:14:09,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:09,622 INFO L225 Difference]: With dead ends: 924 [2021-08-21 17:14:09,622 INFO L226 Difference]: Without dead ends: 924 [2021-08-21 17:14:09,623 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 979.3ms TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2021-08-21 17:14:09,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-08-21 17:14:09,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 577. [2021-08-21 17:14:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 576 states have (on average 1.3246527777777777) internal successors, (763), 576 states have internal predecessors, (763), 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) [2021-08-21 17:14:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 763 transitions. [2021-08-21 17:14:09,633 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 763 transitions. Word has length 113 [2021-08-21 17:14:09,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:09,633 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 763 transitions. [2021-08-21 17:14:09,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2021-08-21 17:14:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 763 transitions. [2021-08-21 17:14:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:09,635 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:09,635 INFO L512 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] [2021-08-21 17:14:09,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-21 17:14:09,636 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2064064847, now seen corresponding path program 1 times [2021-08-21 17:14:09,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:09,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451491967] [2021-08-21 17:14:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:09,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:11,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:11,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451491967] [2021-08-21 17:14:11,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451491967] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:11,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:11,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:14:11,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452840848] [2021-08-21 17:14:11,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:14:11,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:14:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:14:11,046 INFO L87 Difference]: Start difference. First operand 577 states and 763 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:14,010 INFO L93 Difference]: Finished difference Result 784 states and 1065 transitions. [2021-08-21 17:14:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 17:14:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:14,012 INFO L225 Difference]: With dead ends: 784 [2021-08-21 17:14:14,013 INFO L226 Difference]: Without dead ends: 642 [2021-08-21 17:14:14,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 2614.7ms TimeCoverageRelationStatistics Valid=544, Invalid=2648, Unknown=0, NotChecked=0, Total=3192 [2021-08-21 17:14:14,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2021-08-21 17:14:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 563. [2021-08-21 17:14:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 562 states have (on average 1.3078291814946619) internal successors, (735), 562 states have internal predecessors, (735), 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) [2021-08-21 17:14:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 735 transitions. [2021-08-21 17:14:14,022 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 735 transitions. Word has length 119 [2021-08-21 17:14:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:14,022 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 735 transitions. [2021-08-21 17:14:14,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 735 transitions. [2021-08-21 17:14:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:14,024 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:14,024 INFO L512 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] [2021-08-21 17:14:14,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-21 17:14:14,025 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1164799673, now seen corresponding path program 2 times [2021-08-21 17:14:14,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:14,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978731269] [2021-08-21 17:14:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:14,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:14,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:14,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978731269] [2021-08-21 17:14:14,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978731269] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:14,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:14,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-21 17:14:14,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026271920] [2021-08-21 17:14:14,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 17:14:14,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:14,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 17:14:14,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-21 17:14:14,465 INFO L87 Difference]: Start difference. First operand 563 states and 735 transitions. Second operand has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 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) [2021-08-21 17:14:14,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:14,975 INFO L93 Difference]: Finished difference Result 609 states and 805 transitions. [2021-08-21 17:14:14,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-21 17:14:14,976 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:14,978 INFO L225 Difference]: With dead ends: 609 [2021-08-21 17:14:14,978 INFO L226 Difference]: Without dead ends: 609 [2021-08-21 17:14:14,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 442.2ms TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-08-21 17:14:14,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-08-21 17:14:14,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 573. [2021-08-21 17:14:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 1.3111888111888113) internal successors, (750), 572 states have internal predecessors, (750), 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) [2021-08-21 17:14:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 750 transitions. [2021-08-21 17:14:14,997 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 750 transitions. Word has length 119 [2021-08-21 17:14:14,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:14,997 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 750 transitions. [2021-08-21 17:14:14,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.933333333333334) internal successors, (119), 15 states have internal predecessors, (119), 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) [2021-08-21 17:14:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 750 transitions. [2021-08-21 17:14:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:14,999 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:14,999 INFO L512 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] [2021-08-21 17:14:14,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-21 17:14:14,999 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:14,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:15,000 INFO L82 PathProgramCache]: Analyzing trace with hash -447814627, now seen corresponding path program 3 times [2021-08-21 17:14:15,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:15,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269081400] [2021-08-21 17:14:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:15,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:16,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:16,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269081400] [2021-08-21 17:14:16,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269081400] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:16,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:16,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-08-21 17:14:16,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086099596] [2021-08-21 17:14:16,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-21 17:14:16,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-21 17:14:16,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-08-21 17:14:16,493 INFO L87 Difference]: Start difference. First operand 573 states and 750 transitions. Second operand has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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) [2021-08-21 17:14:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:19,862 INFO L93 Difference]: Finished difference Result 709 states and 950 transitions. [2021-08-21 17:14:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-21 17:14:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:19,864 INFO L225 Difference]: With dead ends: 709 [2021-08-21 17:14:19,864 INFO L226 Difference]: Without dead ends: 611 [2021-08-21 17:14:19,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 3215.5ms TimeCoverageRelationStatistics Valid=706, Invalid=3454, Unknown=0, NotChecked=0, Total=4160 [2021-08-21 17:14:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-08-21 17:14:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 577. [2021-08-21 17:14:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 576 states have (on average 1.3142361111111112) internal successors, (757), 576 states have internal predecessors, (757), 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) [2021-08-21 17:14:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 757 transitions. [2021-08-21 17:14:19,874 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 757 transitions. Word has length 119 [2021-08-21 17:14:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:19,874 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 757 transitions. [2021-08-21 17:14:19,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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) [2021-08-21 17:14:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 757 transitions. [2021-08-21 17:14:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:19,876 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:19,876 INFO L512 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] [2021-08-21 17:14:19,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-21 17:14:19,876 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash -93271719, now seen corresponding path program 4 times [2021-08-21 17:14:19,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:19,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548765627] [2021-08-21 17:14:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:19,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:21,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:21,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548765627] [2021-08-21 17:14:21,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548765627] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:21,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:21,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-08-21 17:14:21,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459120313] [2021-08-21 17:14:21,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-21 17:14:21,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:21,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-21 17:14:21,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-08-21 17:14:21,302 INFO L87 Difference]: Start difference. First operand 577 states and 757 transitions. Second operand has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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) [2021-08-21 17:14:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:24,511 INFO L93 Difference]: Finished difference Result 704 states and 943 transitions. [2021-08-21 17:14:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-21 17:14:24,511 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:24,513 INFO L225 Difference]: With dead ends: 704 [2021-08-21 17:14:24,513 INFO L226 Difference]: Without dead ends: 610 [2021-08-21 17:14:24,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 3083.3ms TimeCoverageRelationStatistics Valid=668, Invalid=3364, Unknown=0, NotChecked=0, Total=4032 [2021-08-21 17:14:24,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2021-08-21 17:14:24,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 576. [2021-08-21 17:14:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 575 states have (on average 1.3130434782608695) internal successors, (755), 575 states have internal predecessors, (755), 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) [2021-08-21 17:14:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 755 transitions. [2021-08-21 17:14:24,523 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 755 transitions. Word has length 119 [2021-08-21 17:14:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:24,523 INFO L470 AbstractCegarLoop]: Abstraction has 576 states and 755 transitions. [2021-08-21 17:14:24,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 30 states have internal predecessors, (119), 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) [2021-08-21 17:14:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 755 transitions. [2021-08-21 17:14:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:24,525 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:24,525 INFO L512 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] [2021-08-21 17:14:24,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-21 17:14:24,525 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:24,526 INFO L82 PathProgramCache]: Analyzing trace with hash -2036903917, now seen corresponding path program 5 times [2021-08-21 17:14:24,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:24,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031134332] [2021-08-21 17:14:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:24,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:25,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:25,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031134332] [2021-08-21 17:14:25,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031134332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:25,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:25,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-08-21 17:14:25,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635291757] [2021-08-21 17:14:25,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-21 17:14:25,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:25,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-21 17:14:25,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2021-08-21 17:14:25,859 INFO L87 Difference]: Start difference. First operand 576 states and 755 transitions. Second operand has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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) [2021-08-21 17:14:28,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:28,539 INFO L93 Difference]: Finished difference Result 700 states and 937 transitions. [2021-08-21 17:14:28,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-21 17:14:28,539 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:28,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:28,541 INFO L225 Difference]: With dead ends: 700 [2021-08-21 17:14:28,541 INFO L226 Difference]: Without dead ends: 587 [2021-08-21 17:14:28,542 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 2502.2ms TimeCoverageRelationStatistics Valid=527, Invalid=2895, Unknown=0, NotChecked=0, Total=3422 [2021-08-21 17:14:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-08-21 17:14:28,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 559. [2021-08-21 17:14:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.2939068100358424) internal successors, (722), 558 states have internal predecessors, (722), 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) [2021-08-21 17:14:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 722 transitions. [2021-08-21 17:14:28,550 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 722 transitions. Word has length 119 [2021-08-21 17:14:28,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:28,550 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 722 transitions. [2021-08-21 17:14:28,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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) [2021-08-21 17:14:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 722 transitions. [2021-08-21 17:14:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:28,552 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:28,552 INFO L512 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] [2021-08-21 17:14:28,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-21 17:14:28,552 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:28,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2140394383, now seen corresponding path program 6 times [2021-08-21 17:14:28,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:28,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399047524] [2021-08-21 17:14:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:28,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:29,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:29,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399047524] [2021-08-21 17:14:29,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399047524] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:29,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:29,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-21 17:14:29,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127865755] [2021-08-21 17:14:29,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 17:14:29,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:29,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 17:14:29,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2021-08-21 17:14:29,676 INFO L87 Difference]: Start difference. First operand 559 states and 722 transitions. Second operand has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:32,034 INFO L93 Difference]: Finished difference Result 684 states and 893 transitions. [2021-08-21 17:14:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-21 17:14:32,035 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:32,036 INFO L225 Difference]: With dead ends: 684 [2021-08-21 17:14:32,036 INFO L226 Difference]: Without dead ends: 583 [2021-08-21 17:14:32,037 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 2212.3ms TimeCoverageRelationStatistics Valid=485, Invalid=2271, Unknown=0, NotChecked=0, Total=2756 [2021-08-21 17:14:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-08-21 17:14:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 566. [2021-08-21 17:14:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.3008849557522124) internal successors, (735), 565 states have internal predecessors, (735), 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) [2021-08-21 17:14:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 735 transitions. [2021-08-21 17:14:32,045 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 735 transitions. Word has length 119 [2021-08-21 17:14:32,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:32,045 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 735 transitions. [2021-08-21 17:14:32,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 735 transitions. [2021-08-21 17:14:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:32,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:32,047 INFO L512 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] [2021-08-21 17:14:32,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-21 17:14:32,047 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:32,048 INFO L82 PathProgramCache]: Analyzing trace with hash -283117253, now seen corresponding path program 7 times [2021-08-21 17:14:32,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:32,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312119049] [2021-08-21 17:14:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:32,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:33,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:33,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312119049] [2021-08-21 17:14:33,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312119049] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:33,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:33,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-21 17:14:33,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292997421] [2021-08-21 17:14:33,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 17:14:33,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:33,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 17:14:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2021-08-21 17:14:33,198 INFO L87 Difference]: Start difference. First operand 566 states and 735 transitions. Second operand has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:35,540 INFO L93 Difference]: Finished difference Result 673 states and 877 transitions. [2021-08-21 17:14:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 17:14:35,540 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:35,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:35,542 INFO L225 Difference]: With dead ends: 673 [2021-08-21 17:14:35,542 INFO L226 Difference]: Without dead ends: 577 [2021-08-21 17:14:35,543 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 2152.1ms TimeCoverageRelationStatistics Valid=463, Invalid=2189, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:14:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2021-08-21 17:14:35,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 567. [2021-08-21 17:14:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 566 states have (on average 1.302120141342756) internal successors, (737), 566 states have internal predecessors, (737), 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) [2021-08-21 17:14:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 737 transitions. [2021-08-21 17:14:35,550 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 737 transitions. Word has length 119 [2021-08-21 17:14:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:35,550 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 737 transitions. [2021-08-21 17:14:35,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 737 transitions. [2021-08-21 17:14:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:35,552 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:35,552 INFO L512 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] [2021-08-21 17:14:35,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-21 17:14:35,553 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:35,553 INFO L82 PathProgramCache]: Analyzing trace with hash -868334991, now seen corresponding path program 8 times [2021-08-21 17:14:35,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:35,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507095270] [2021-08-21 17:14:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:35,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:36,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:36,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507095270] [2021-08-21 17:14:36,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507095270] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:36,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:36,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-21 17:14:36,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992270291] [2021-08-21 17:14:36,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 17:14:36,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:36,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 17:14:36,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2021-08-21 17:14:36,689 INFO L87 Difference]: Start difference. First operand 567 states and 737 transitions. Second operand has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:38,771 INFO L93 Difference]: Finished difference Result 663 states and 863 transitions. [2021-08-21 17:14:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:14:38,772 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:38,773 INFO L225 Difference]: With dead ends: 663 [2021-08-21 17:14:38,773 INFO L226 Difference]: Without dead ends: 567 [2021-08-21 17:14:38,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1942.6ms TimeCoverageRelationStatistics Valid=429, Invalid=2021, Unknown=0, NotChecked=0, Total=2450 [2021-08-21 17:14:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2021-08-21 17:14:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2021-08-21 17:14:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 566 states have (on average 1.3003533568904593) internal successors, (736), 566 states have internal predecessors, (736), 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) [2021-08-21 17:14:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 736 transitions. [2021-08-21 17:14:38,780 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 736 transitions. Word has length 119 [2021-08-21 17:14:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:38,780 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 736 transitions. [2021-08-21 17:14:38,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 736 transitions. [2021-08-21 17:14:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:38,782 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:38,782 INFO L512 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] [2021-08-21 17:14:38,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-21 17:14:38,783 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash 179363121, now seen corresponding path program 9 times [2021-08-21 17:14:38,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:38,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710577219] [2021-08-21 17:14:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:38,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:39,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:39,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710577219] [2021-08-21 17:14:39,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710577219] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:39,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:39,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-21 17:14:39,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257253776] [2021-08-21 17:14:39,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 17:14:39,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 17:14:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2021-08-21 17:14:39,916 INFO L87 Difference]: Start difference. First operand 567 states and 736 transitions. Second operand has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:42,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:42,028 INFO L93 Difference]: Finished difference Result 661 states and 859 transitions. [2021-08-21 17:14:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:14:42,029 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:42,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:42,030 INFO L225 Difference]: With dead ends: 661 [2021-08-21 17:14:42,030 INFO L226 Difference]: Without dead ends: 566 [2021-08-21 17:14:42,031 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 1955.5ms TimeCoverageRelationStatistics Valid=414, Invalid=2036, Unknown=0, NotChecked=0, Total=2450 [2021-08-21 17:14:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2021-08-21 17:14:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2021-08-21 17:14:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.2991150442477877) internal successors, (734), 565 states have internal predecessors, (734), 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) [2021-08-21 17:14:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 734 transitions. [2021-08-21 17:14:42,039 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 734 transitions. Word has length 119 [2021-08-21 17:14:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:42,039 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 734 transitions. [2021-08-21 17:14:42,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 734 transitions. [2021-08-21 17:14:42,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:42,041 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:42,041 INFO L512 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] [2021-08-21 17:14:42,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-21 17:14:42,041 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash -841419883, now seen corresponding path program 10 times [2021-08-21 17:14:42,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:42,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936972094] [2021-08-21 17:14:42,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:42,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:43,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:43,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936972094] [2021-08-21 17:14:43,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936972094] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:43,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:43,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-08-21 17:14:43,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134952764] [2021-08-21 17:14:43,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-21 17:14:43,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:43,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-21 17:14:43,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2021-08-21 17:14:43,113 INFO L87 Difference]: Start difference. First operand 566 states and 734 transitions. Second operand has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:45,493 INFO L93 Difference]: Finished difference Result 665 states and 863 transitions. [2021-08-21 17:14:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 17:14:45,494 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:45,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:45,495 INFO L225 Difference]: With dead ends: 665 [2021-08-21 17:14:45,495 INFO L226 Difference]: Without dead ends: 571 [2021-08-21 17:14:45,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2163.4ms TimeCoverageRelationStatistics Valid=451, Invalid=2201, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:14:45,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-08-21 17:14:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 565. [2021-08-21 17:14:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 564 states have (on average 1.297872340425532) internal successors, (732), 564 states have internal predecessors, (732), 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) [2021-08-21 17:14:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 732 transitions. [2021-08-21 17:14:45,504 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 732 transitions. Word has length 119 [2021-08-21 17:14:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:45,504 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 732 transitions. [2021-08-21 17:14:45,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 26 states have internal predecessors, (119), 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) [2021-08-21 17:14:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 732 transitions. [2021-08-21 17:14:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:45,506 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:45,506 INFO L512 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] [2021-08-21 17:14:45,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-21 17:14:45,506 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:45,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1509915215, now seen corresponding path program 11 times [2021-08-21 17:14:45,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:45,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355272803] [2021-08-21 17:14:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:45,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:46,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:46,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355272803] [2021-08-21 17:14:46,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355272803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:46,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:46,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-08-21 17:14:46,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192794183] [2021-08-21 17:14:46,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-21 17:14:46,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:46,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-21 17:14:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2021-08-21 17:14:46,815 INFO L87 Difference]: Start difference. First operand 565 states and 732 transitions. Second operand has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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) [2021-08-21 17:14:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:49,456 INFO L93 Difference]: Finished difference Result 661 states and 857 transitions. [2021-08-21 17:14:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-21 17:14:49,457 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:49,458 INFO L225 Difference]: With dead ends: 661 [2021-08-21 17:14:49,458 INFO L226 Difference]: Without dead ends: 461 [2021-08-21 17:14:49,459 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 2562.5ms TimeCoverageRelationStatistics Valid=506, Invalid=2800, Unknown=0, NotChecked=0, Total=3306 [2021-08-21 17:14:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-08-21 17:14:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2021-08-21 17:14:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 460 states have (on average 1.326086956521739) internal successors, (610), 460 states have internal predecessors, (610), 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) [2021-08-21 17:14:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 610 transitions. [2021-08-21 17:14:49,464 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 610 transitions. Word has length 119 [2021-08-21 17:14:49,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:49,464 INFO L470 AbstractCegarLoop]: Abstraction has 461 states and 610 transitions. [2021-08-21 17:14:49,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.71875) internal successors, (119), 32 states have internal predecessors, (119), 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) [2021-08-21 17:14:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 610 transitions. [2021-08-21 17:14:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:49,465 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:49,465 INFO L512 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] [2021-08-21 17:14:49,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-21 17:14:49,465 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:49,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1327558517, now seen corresponding path program 12 times [2021-08-21 17:14:49,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:49,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687360251] [2021-08-21 17:14:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:49,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:50,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:50,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687360251] [2021-08-21 17:14:50,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687360251] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:50,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:50,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:14:50,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675662183] [2021-08-21 17:14:50,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:14:50,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:50,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:14:50,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:14:50,605 INFO L87 Difference]: Start difference. First operand 461 states and 610 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:53,244 INFO L93 Difference]: Finished difference Result 588 states and 797 transitions. [2021-08-21 17:14:53,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-21 17:14:53,246 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:53,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:53,247 INFO L225 Difference]: With dead ends: 588 [2021-08-21 17:14:53,247 INFO L226 Difference]: Without dead ends: 469 [2021-08-21 17:14:53,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2426.5ms TimeCoverageRelationStatistics Valid=504, Invalid=2466, Unknown=0, NotChecked=0, Total=2970 [2021-08-21 17:14:53,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-08-21 17:14:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 438. [2021-08-21 17:14:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 437 states have (on average 1.3272311212814645) internal successors, (580), 437 states have internal predecessors, (580), 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) [2021-08-21 17:14:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 580 transitions. [2021-08-21 17:14:53,253 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 580 transitions. Word has length 119 [2021-08-21 17:14:53,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:53,253 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 580 transitions. [2021-08-21 17:14:53,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 580 transitions. [2021-08-21 17:14:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:53,254 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:53,254 INFO L512 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] [2021-08-21 17:14:53,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-21 17:14:53,254 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:53,255 INFO L82 PathProgramCache]: Analyzing trace with hash 529718613, now seen corresponding path program 13 times [2021-08-21 17:14:53,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:53,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317312629] [2021-08-21 17:14:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:53,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:54,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:54,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317312629] [2021-08-21 17:14:54,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317312629] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:54,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:54,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:14:54,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268348081] [2021-08-21 17:14:54,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:14:54,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:14:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:14:54,361 INFO L87 Difference]: Start difference. First operand 438 states and 580 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:14:56,998 INFO L93 Difference]: Finished difference Result 537 states and 710 transitions. [2021-08-21 17:14:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 17:14:56,998 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:14:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:14:56,999 INFO L225 Difference]: With dead ends: 537 [2021-08-21 17:14:56,999 INFO L226 Difference]: Without dead ends: 441 [2021-08-21 17:14:57,000 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2470.1ms TimeCoverageRelationStatistics Valid=482, Invalid=2380, Unknown=0, NotChecked=0, Total=2862 [2021-08-21 17:14:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-08-21 17:14:57,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2021-08-21 17:14:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 1.3248847926267282) internal successors, (575), 434 states have internal predecessors, (575), 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) [2021-08-21 17:14:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 575 transitions. [2021-08-21 17:14:57,006 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 575 transitions. Word has length 119 [2021-08-21 17:14:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:14:57,006 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 575 transitions. [2021-08-21 17:14:57,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:14:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2021-08-21 17:14:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:14:57,008 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:14:57,008 INFO L512 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] [2021-08-21 17:14:57,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-21 17:14:57,008 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:14:57,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:14:57,009 INFO L82 PathProgramCache]: Analyzing trace with hash -55499125, now seen corresponding path program 14 times [2021-08-21 17:14:57,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:14:57,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84633306] [2021-08-21 17:14:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:14:57,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:14:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:14:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:14:58,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:14:58,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84633306] [2021-08-21 17:14:58,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84633306] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:14:58,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:14:58,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:14:58,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702556137] [2021-08-21 17:14:58,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:14:58,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:14:58,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:14:58,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:14:58,146 INFO L87 Difference]: Start difference. First operand 435 states and 575 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:00,435 INFO L93 Difference]: Finished difference Result 527 states and 696 transitions. [2021-08-21 17:15:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:15:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:00,436 INFO L225 Difference]: With dead ends: 527 [2021-08-21 17:15:00,437 INFO L226 Difference]: Without dead ends: 431 [2021-08-21 17:15:00,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 2177.1ms TimeCoverageRelationStatistics Valid=448, Invalid=2204, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:15:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-08-21 17:15:00,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2021-08-21 17:15:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 1.3232558139534885) internal successors, (569), 430 states have internal predecessors, (569), 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) [2021-08-21 17:15:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 569 transitions. [2021-08-21 17:15:00,442 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 569 transitions. Word has length 119 [2021-08-21 17:15:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:00,442 INFO L470 AbstractCegarLoop]: Abstraction has 431 states and 569 transitions. [2021-08-21 17:15:00,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 569 transitions. [2021-08-21 17:15:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:00,444 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:00,444 INFO L512 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] [2021-08-21 17:15:00,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-21 17:15:00,444 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:00,445 INFO L82 PathProgramCache]: Analyzing trace with hash 992198987, now seen corresponding path program 15 times [2021-08-21 17:15:00,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:00,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286830673] [2021-08-21 17:15:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:00,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:01,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:01,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286830673] [2021-08-21 17:15:01,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286830673] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:01,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:01,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:01,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454659865] [2021-08-21 17:15:01,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:01,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:01,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:01,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:01,503 INFO L87 Difference]: Start difference. First operand 431 states and 569 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:03,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:03,704 INFO L93 Difference]: Finished difference Result 525 states and 692 transitions. [2021-08-21 17:15:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:15:03,704 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:03,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:03,705 INFO L225 Difference]: With dead ends: 525 [2021-08-21 17:15:03,705 INFO L226 Difference]: Without dead ends: 430 [2021-08-21 17:15:03,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 2110.7ms TimeCoverageRelationStatistics Valid=434, Invalid=2218, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:15:03,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-08-21 17:15:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2021-08-21 17:15:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 429 states have (on average 1.3216783216783217) internal successors, (567), 429 states have internal predecessors, (567), 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) [2021-08-21 17:15:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 567 transitions. [2021-08-21 17:15:03,711 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 567 transitions. Word has length 119 [2021-08-21 17:15:03,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:03,711 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 567 transitions. [2021-08-21 17:15:03,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 567 transitions. [2021-08-21 17:15:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:03,713 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:03,713 INFO L512 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] [2021-08-21 17:15:03,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-21 17:15:03,713 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:03,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:03,714 INFO L82 PathProgramCache]: Analyzing trace with hash -28584017, now seen corresponding path program 16 times [2021-08-21 17:15:03,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:03,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931137123] [2021-08-21 17:15:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:03,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:04,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:04,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931137123] [2021-08-21 17:15:04,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931137123] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:04,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:04,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:04,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711178708] [2021-08-21 17:15:04,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:04,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:04,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:04,736 INFO L87 Difference]: Start difference. First operand 430 states and 567 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:07,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:07,201 INFO L93 Difference]: Finished difference Result 552 states and 747 transitions. [2021-08-21 17:15:07,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 17:15:07,202 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:07,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:07,203 INFO L225 Difference]: With dead ends: 552 [2021-08-21 17:15:07,203 INFO L226 Difference]: Without dead ends: 458 [2021-08-21 17:15:07,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 2327.8ms TimeCoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862 [2021-08-21 17:15:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2021-08-21 17:15:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 429. [2021-08-21 17:15:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 1.3200934579439252) internal successors, (565), 428 states have internal predecessors, (565), 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) [2021-08-21 17:15:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 565 transitions. [2021-08-21 17:15:07,208 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 565 transitions. Word has length 119 [2021-08-21 17:15:07,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:07,208 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 565 transitions. [2021-08-21 17:15:07,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 565 transitions. [2021-08-21 17:15:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:07,209 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:07,209 INFO L512 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] [2021-08-21 17:15:07,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-21 17:15:07,209 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:07,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1972216215, now seen corresponding path program 17 times [2021-08-21 17:15:07,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:07,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845871027] [2021-08-21 17:15:07,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:07,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:08,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:08,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845871027] [2021-08-21 17:15:08,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845871027] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:08,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:08,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:08,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327551619] [2021-08-21 17:15:08,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:08,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:08,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:08,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:08,296 INFO L87 Difference]: Start difference. First operand 429 states and 565 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:11,002 INFO L93 Difference]: Finished difference Result 645 states and 871 transitions. [2021-08-21 17:15:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-21 17:15:11,002 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:11,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:11,003 INFO L225 Difference]: With dead ends: 645 [2021-08-21 17:15:11,003 INFO L226 Difference]: Without dead ends: 525 [2021-08-21 17:15:11,004 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 2467.6ms TimeCoverageRelationStatistics Valid=530, Invalid=2662, Unknown=0, NotChecked=0, Total=3192 [2021-08-21 17:15:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-08-21 17:15:11,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 400. [2021-08-21 17:15:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.3233082706766917) internal successors, (528), 399 states have internal predecessors, (528), 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) [2021-08-21 17:15:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 528 transitions. [2021-08-21 17:15:11,008 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 528 transitions. Word has length 119 [2021-08-21 17:15:11,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:11,008 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 528 transitions. [2021-08-21 17:15:11,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 528 transitions. [2021-08-21 17:15:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:11,010 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:11,010 INFO L512 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] [2021-08-21 17:15:11,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-21 17:15:11,010 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:11,010 INFO L82 PathProgramCache]: Analyzing trace with hash 484736497, now seen corresponding path program 18 times [2021-08-21 17:15:11,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:11,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109185876] [2021-08-21 17:15:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:11,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:11,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:11,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109185876] [2021-08-21 17:15:11,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109185876] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:11,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:11,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-21 17:15:11,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481392687] [2021-08-21 17:15:11,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-21 17:15:11,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:11,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-21 17:15:11,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-08-21 17:15:11,315 INFO L87 Difference]: Start difference. First operand 400 states and 528 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:11,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:11,598 INFO L93 Difference]: Finished difference Result 441 states and 590 transitions. [2021-08-21 17:15:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 17:15:11,599 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:11,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:11,599 INFO L225 Difference]: With dead ends: 441 [2021-08-21 17:15:11,599 INFO L226 Difference]: Without dead ends: 441 [2021-08-21 17:15:11,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 269.5ms TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-08-21 17:15:11,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-08-21 17:15:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 405. [2021-08-21 17:15:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 404 states have (on average 1.3242574257425743) internal successors, (535), 404 states have internal predecessors, (535), 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) [2021-08-21 17:15:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 535 transitions. [2021-08-21 17:15:11,607 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 535 transitions. Word has length 119 [2021-08-21 17:15:11,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:11,607 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 535 transitions. [2021-08-21 17:15:11,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 535 transitions. [2021-08-21 17:15:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:11,609 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:11,609 INFO L512 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] [2021-08-21 17:15:11,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-21 17:15:11,609 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:11,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1127877803, now seen corresponding path program 19 times [2021-08-21 17:15:11,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:11,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103344549] [2021-08-21 17:15:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:11,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:12,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:12,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103344549] [2021-08-21 17:15:12,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103344549] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:12,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:12,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:12,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960278608] [2021-08-21 17:15:12,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:12,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:12,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:12,725 INFO L87 Difference]: Start difference. First operand 405 states and 535 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:15,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:15,287 INFO L93 Difference]: Finished difference Result 529 states and 718 transitions. [2021-08-21 17:15:15,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-21 17:15:15,287 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:15,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:15,288 INFO L225 Difference]: With dead ends: 529 [2021-08-21 17:15:15,288 INFO L226 Difference]: Without dead ends: 427 [2021-08-21 17:15:15,289 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 2358.6ms TimeCoverageRelationStatistics Valid=481, Invalid=2381, Unknown=0, NotChecked=0, Total=2862 [2021-08-21 17:15:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-08-21 17:15:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2021-08-21 17:15:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3232323232323233) internal successors, (524), 396 states have internal predecessors, (524), 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) [2021-08-21 17:15:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 524 transitions. [2021-08-21 17:15:15,294 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 524 transitions. Word has length 119 [2021-08-21 17:15:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:15,294 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 524 transitions. [2021-08-21 17:15:15,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 524 transitions. [2021-08-21 17:15:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:15,295 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:15,295 INFO L512 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] [2021-08-21 17:15:15,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-21 17:15:15,296 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:15,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:15,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1573026153, now seen corresponding path program 20 times [2021-08-21 17:15:15,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:15,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555281693] [2021-08-21 17:15:15,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:15,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:15,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:15,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555281693] [2021-08-21 17:15:15,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555281693] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:15,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:15,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-21 17:15:15,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649509414] [2021-08-21 17:15:15,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-21 17:15:15,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:15,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-21 17:15:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-21 17:15:15,602 INFO L87 Difference]: Start difference. First operand 397 states and 524 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:15,863 INFO L93 Difference]: Finished difference Result 569 states and 760 transitions. [2021-08-21 17:15:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 17:15:15,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:15,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:15,865 INFO L225 Difference]: With dead ends: 569 [2021-08-21 17:15:15,865 INFO L226 Difference]: Without dead ends: 569 [2021-08-21 17:15:15,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 226.1ms TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-08-21 17:15:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-08-21 17:15:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 392. [2021-08-21 17:15:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3120204603580563) internal successors, (513), 391 states have internal predecessors, (513), 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) [2021-08-21 17:15:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 513 transitions. [2021-08-21 17:15:15,871 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 513 transitions. Word has length 119 [2021-08-21 17:15:15,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:15,871 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 513 transitions. [2021-08-21 17:15:15,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 513 transitions. [2021-08-21 17:15:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:15,873 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:15,873 INFO L512 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] [2021-08-21 17:15:15,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-21 17:15:15,873 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:15,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -39588147, now seen corresponding path program 21 times [2021-08-21 17:15:15,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:15,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980105761] [2021-08-21 17:15:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:15,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:16,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:16,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980105761] [2021-08-21 17:15:16,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980105761] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:16,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:16,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:16,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952275223] [2021-08-21 17:15:16,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:16,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:16,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:16,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:16,854 INFO L87 Difference]: Start difference. First operand 392 states and 513 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:19,589 INFO L93 Difference]: Finished difference Result 612 states and 821 transitions. [2021-08-21 17:15:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-21 17:15:19,589 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:19,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:19,590 INFO L225 Difference]: With dead ends: 612 [2021-08-21 17:15:19,590 INFO L226 Difference]: Without dead ends: 472 [2021-08-21 17:15:19,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 2571.8ms TimeCoverageRelationStatistics Valid=602, Invalid=2820, Unknown=0, NotChecked=0, Total=3422 [2021-08-21 17:15:19,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-08-21 17:15:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 368. [2021-08-21 17:15:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.2888283378746594) internal successors, (473), 367 states have internal predecessors, (473), 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) [2021-08-21 17:15:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 473 transitions. [2021-08-21 17:15:19,595 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 473 transitions. Word has length 119 [2021-08-21 17:15:19,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:19,595 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 473 transitions. [2021-08-21 17:15:19,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 473 transitions. [2021-08-21 17:15:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:19,597 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:19,597 INFO L512 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] [2021-08-21 17:15:19,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-21 17:15:19,597 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:19,597 INFO L82 PathProgramCache]: Analyzing trace with hash 907607525, now seen corresponding path program 22 times [2021-08-21 17:15:19,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:19,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486655575] [2021-08-21 17:15:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:19,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:19,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:19,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486655575] [2021-08-21 17:15:19,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486655575] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:19,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:19,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-21 17:15:19,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920041676] [2021-08-21 17:15:19,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-21 17:15:19,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:19,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-21 17:15:19,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-21 17:15:19,920 INFO L87 Difference]: Start difference. First operand 368 states and 473 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:20,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:20,178 INFO L93 Difference]: Finished difference Result 309 states and 367 transitions. [2021-08-21 17:15:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 17:15:20,178 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:20,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:20,179 INFO L225 Difference]: With dead ends: 309 [2021-08-21 17:15:20,179 INFO L226 Difference]: Without dead ends: 261 [2021-08-21 17:15:20,179 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 256.7ms TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-08-21 17:15:20,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-08-21 17:15:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-08-21 17:15:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.226923076923077) internal successors, (319), 260 states have internal predecessors, (319), 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) [2021-08-21 17:15:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 319 transitions. [2021-08-21 17:15:20,182 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 319 transitions. Word has length 119 [2021-08-21 17:15:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:20,183 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 319 transitions. [2021-08-21 17:15:20,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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) [2021-08-21 17:15:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 319 transitions. [2021-08-21 17:15:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:20,184 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:20,184 INFO L512 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] [2021-08-21 17:15:20,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-21 17:15:20,184 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:20,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1797456411, now seen corresponding path program 23 times [2021-08-21 17:15:20,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:20,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556594903] [2021-08-21 17:15:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:20,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:21,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:21,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556594903] [2021-08-21 17:15:21,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556594903] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:21,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:21,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:21,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491330258] [2021-08-21 17:15:21,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:21,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:21,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:21,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:21,214 INFO L87 Difference]: Start difference. First operand 261 states and 319 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:23,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:23,325 INFO L93 Difference]: Finished difference Result 301 states and 366 transitions. [2021-08-21 17:15:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:15:23,325 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:23,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:23,326 INFO L225 Difference]: With dead ends: 301 [2021-08-21 17:15:23,326 INFO L226 Difference]: Without dead ends: 180 [2021-08-21 17:15:23,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 2085.7ms TimeCoverageRelationStatistics Valid=424, Invalid=2228, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:15:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-08-21 17:15:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2021-08-21 17:15:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.1787709497206704) internal successors, (211), 179 states have internal predecessors, (211), 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) [2021-08-21 17:15:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 211 transitions. [2021-08-21 17:15:23,329 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 211 transitions. Word has length 119 [2021-08-21 17:15:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:23,329 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 211 transitions. [2021-08-21 17:15:23,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 211 transitions. [2021-08-21 17:15:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:23,330 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:23,330 INFO L512 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] [2021-08-21 17:15:23,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-21 17:15:23,330 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:23,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:23,331 INFO L82 PathProgramCache]: Analyzing trace with hash 906218057, now seen corresponding path program 24 times [2021-08-21 17:15:23,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:23,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916169422] [2021-08-21 17:15:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:23,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:24,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:24,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916169422] [2021-08-21 17:15:24,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916169422] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:24,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:24,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:24,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378326122] [2021-08-21 17:15:24,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:24,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:24,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:24,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:24,442 INFO L87 Difference]: Start difference. First operand 180 states and 211 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:26,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:26,634 INFO L93 Difference]: Finished difference Result 272 states and 332 transitions. [2021-08-21 17:15:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-21 17:15:26,634 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:26,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:26,635 INFO L225 Difference]: With dead ends: 272 [2021-08-21 17:15:26,635 INFO L226 Difference]: Without dead ends: 176 [2021-08-21 17:15:26,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 2213.8ms TimeCoverageRelationStatistics Valid=447, Invalid=2205, Unknown=0, NotChecked=0, Total=2652 [2021-08-21 17:15:26,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-08-21 17:15:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2021-08-21 17:15:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.1714285714285715) internal successors, (205), 175 states have internal predecessors, (205), 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) [2021-08-21 17:15:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 205 transitions. [2021-08-21 17:15:26,638 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 205 transitions. Word has length 119 [2021-08-21 17:15:26,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:26,638 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 205 transitions. [2021-08-21 17:15:26,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 205 transitions. [2021-08-21 17:15:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-08-21 17:15:26,639 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 17:15:26,639 INFO L512 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] [2021-08-21 17:15:26,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-21 17:15:26,639 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-21 17:15:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 17:15:26,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1953916169, now seen corresponding path program 25 times [2021-08-21 17:15:26,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 17:15:26,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097955124] [2021-08-21 17:15:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 17:15:26,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 17:15:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 17:15:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 17:15:27,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 17:15:27,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097955124] [2021-08-21 17:15:27,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097955124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 17:15:27,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 17:15:27,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-08-21 17:15:27,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889427815] [2021-08-21 17:15:27,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-21 17:15:27,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 17:15:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-21 17:15:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-08-21 17:15:27,760 INFO L87 Difference]: Start difference. First operand 176 states and 205 transitions. Second operand has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 17:15:29,796 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2021-08-21 17:15:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-21 17:15:29,796 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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 119 [2021-08-21 17:15:29,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 17:15:29,797 INFO L225 Difference]: With dead ends: 174 [2021-08-21 17:15:29,797 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 17:15:29,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2149.5ms TimeCoverageRelationStatistics Valid=409, Invalid=2141, Unknown=0, NotChecked=0, Total=2550 [2021-08-21 17:15:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 17:15:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 17:15:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 17:15:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 17:15:29,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2021-08-21 17:15:29,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 17:15:29,797 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 17:15:29,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.25) internal successors, (119), 28 states have internal predecessors, (119), 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) [2021-08-21 17:15:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 17:15:29,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 17:15:29,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 17:15:29,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 17:15:29,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 17:15:29,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-08-21 17:15:29,804 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 17:15:29,804 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 17:15:29,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:15:29 BasicIcfg [2021-08-21 17:15:29,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 17:15:29,807 INFO L168 Benchmark]: Toolchain (without parser) took 149691.87 ms. Allocated memory was 206.6 MB in the beginning and 551.6 MB in the end (delta: 345.0 MB). Free memory was 168.2 MB in the beginning and 483.8 MB in the end (delta: -315.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,807 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 17:15:29,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1088.51 ms. Allocated memory is still 206.6 MB. Free memory was 168.0 MB in the beginning and 147.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 206.6 MB. Free memory was 147.4 MB in the beginning and 144.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,808 INFO L168 Benchmark]: Boogie Preprocessor took 46.95 ms. Allocated memory is still 206.6 MB. Free memory was 144.2 MB in the beginning and 141.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,808 INFO L168 Benchmark]: RCFGBuilder took 657.23 ms. Allocated memory is still 206.6 MB. Free memory was 141.5 MB in the beginning and 146.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,809 INFO L168 Benchmark]: TraceAbstraction took 147831.93 ms. Allocated memory was 206.6 MB in the beginning and 551.6 MB in the end (delta: 345.0 MB). Free memory was 146.3 MB in the beginning and 483.8 MB in the end (delta: -337.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-08-21 17:15:29,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1088.51 ms. Allocated memory is still 206.6 MB. Free memory was 168.0 MB in the beginning and 147.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 206.6 MB. Free memory was 147.4 MB in the beginning and 144.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.95 ms. Allocated memory is still 206.6 MB. Free memory was 144.2 MB in the beginning and 141.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 657.23 ms. Allocated memory is still 206.6 MB. Free memory was 141.5 MB in the beginning and 146.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 147831.93 ms. Allocated memory was 206.6 MB in the beginning and 551.6 MB in the end (delta: 345.0 MB). Free memory was 146.3 MB in the beginning and 483.8 MB in the end (delta: -337.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17201, positive: 16353, positive conditional: 16353, positive unconditional: 0, negative: 848, negative conditional: 848, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16989, positive: 16353, positive conditional: 0, positive unconditional: 16353, negative: 636, negative conditional: 0, negative unconditional: 636, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1568, positive: 1524, positive conditional: 0, positive unconditional: 1524, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1568, positive: 1522, positive conditional: 0, positive unconditional: 1522, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55776, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1216, negative conditional: 0, negative unconditional: 1216, unknown: 54554, unknown conditional: 0, unknown unconditional: 54554] ], Cache Queries: [ total: 16989, positive: 14829, positive conditional: 0, positive unconditional: 14829, negative: 592, negative conditional: 0, negative unconditional: 592, unknown: 1568, unknown conditional: 0, unknown unconditional: 1568] , Statistics on independence cache: Total cache size (in pairs): 1568, Positive cache size: 1524, Positive conditional cache size: 0, Positive unconditional cache size: 1524, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Independence queries for same thread: 212 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 176 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 147688.4ms, OverallIterations: 35, TraceHistogramMax: 1, EmptinessCheckTime: 74.5ms, AutomataDifference: 60218.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56344.6ms, PartialOrderReductionTime: 56324.3ms, HoareTripleCheckerStatistics: 4419 SDtfs, 24093 SDslu, 42794 SDs, 0 SdLazy, 26176 SolverSat, 2473 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14028.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1578 GetRequests, 122 SyntacticMatches, 61 SemanticMatches, 1395 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11492 ImplicationChecksByTransitivity, 55417.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8104occurred in iteration=0, InterpolantAutomatonStates: 869, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 635.0ms AutomataMinimizationTime, 35 MinimizatonAttempts, 4650 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 98.7ms SsaConstructionTime, 1138.8ms SatisfiabilityAnalysisTime, 28572.3ms InterpolantComputationTime, 3824 NumberOfCodeBlocks, 3824 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3789 ConstructedInterpolants, 0 QuantifiedInterpolants, 69735 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-21 17:15:29,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...