/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:54:23,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:54:23,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:54:23,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:54:23,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 15:54:23,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 15:54:23,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 15:54:23,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 15:54:23,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:54:23,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:54:23,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:54:23,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:54:23,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:54:23,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:54:23,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:54:23,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:54:23,519 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:54:23,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:54:23,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:54:23,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:54:23,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:54:23,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:54:23,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:54:23,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:54:23,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:54:23,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:54:23,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:54:23,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:54:23,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:54:23,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:54:23,703 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:54:23,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2022-03-01 15:54:23,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0491fde47/3a4b340c60f9424e932cc123515a6876/FLAGd8af0c75c [2022-03-01 15:54:24,119 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:54:24,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2022-03-01 15:54:24,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0491fde47/3a4b340c60f9424e932cc123515a6876/FLAGd8af0c75c [2022-03-01 15:54:24,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0491fde47/3a4b340c60f9424e932cc123515a6876 [2022-03-01 15:54:24,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:54:24,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:54:24,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:54:24,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:54:24,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:54:24,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786705b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24, skipping insertion in model container [2022-03-01 15:54:24,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:54:24,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:54:24,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-03-01 15:54:24,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:54:24,327 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:54:24,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-03-01 15:54:24,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:54:24,356 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:54:24,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24 WrapperNode [2022-03-01 15:54:24,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:54:24,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:54:24,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:54:24,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:54:24,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,386 INFO L137 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 303 [2022-03-01 15:54:24,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:54:24,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:54:24,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:54:24,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:54:24,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:54:24,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:54:24,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:54:24,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:54:24,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (1/1) ... [2022-03-01 15:54:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:54:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:54:24,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 15:54:24,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 15:54:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:54:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:54:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:54:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 15:54:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 15:54:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 15:54:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 15:54:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 15:54:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 15:54:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-01 15:54:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:54:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:54:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:54:24,483 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:54:24,550 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:54:24,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:54:24,856 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:54:24,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:54:24,972 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-03-01 15:54:24,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:54:24 BoogieIcfgContainer [2022-03-01 15:54:24,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:54:24,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:54:24,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:54:24,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:54:24,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:54:24" (1/3) ... [2022-03-01 15:54:24,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea71c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:54:24, skipping insertion in model container [2022-03-01 15:54:24,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:54:24" (2/3) ... [2022-03-01 15:54:24,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea71c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:54:24, skipping insertion in model container [2022-03-01 15:54:24,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:54:24" (3/3) ... [2022-03-01 15:54:24,979 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2022-03-01 15:54:24,982 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:54:24,982 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:54:24,983 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:54:24,983 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:54:25,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,039 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,042 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,050 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,051 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,052 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,053 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,055 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,056 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,057 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,058 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,059 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,059 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,061 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,064 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,065 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,066 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,066 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,066 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,066 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,067 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,068 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,068 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,073 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,074 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,074 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,074 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,074 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,074 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,075 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,076 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,077 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,078 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:54:25,084 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-01 15:54:25,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:54:25,134 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 15:54:25,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 15:54:25,148 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 224 places, 229 transitions, 490 flow [2022-03-01 15:54:25,689 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13335 states, 13334 states have (on average 4.988150592470377) internal successors, (66512), 13334 states have internal predecessors, (66512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 13335 states, 13334 states have (on average 4.988150592470377) internal successors, (66512), 13334 states have internal predecessors, (66512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-03-01 15:54:25,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:25,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:25,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:25,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:25,886 INFO L85 PathProgramCache]: Analyzing trace with hash 61568438, now seen corresponding path program 1 times [2022-03-01 15:54:25,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:25,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55941790] [2022-03-01 15:54:25,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:25,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:54:26,164 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:26,164 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55941790] [2022-03-01 15:54:26,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55941790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:26,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:26,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 15:54:26,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467520079] [2022-03-01 15:54:26,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:26,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 15:54:26,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:26,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 15:54:26,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:54:26,214 INFO L87 Difference]: Start difference. First operand has 13335 states, 13334 states have (on average 4.988150592470377) internal successors, (66512), 13334 states have internal predecessors, (66512), 0 states have call successors, (0), 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 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:26,416 INFO L93 Difference]: Finished difference Result 13335 states and 59558 transitions. [2022-03-01 15:54:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 15:54:26,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2022-03-01 15:54:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:26,608 INFO L225 Difference]: With dead ends: 13335 [2022-03-01 15:54:26,609 INFO L226 Difference]: Without dead ends: 13329 [2022-03-01 15:54:26,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:54:26,614 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:26,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:54:26,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13329 states. [2022-03-01 15:54:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13329 to 13329. [2022-03-01 15:54:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13329 states, 13328 states have (on average 4.468187274909964) internal successors, (59552), 13328 states have internal predecessors, (59552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13329 states to 13329 states and 59552 transitions. [2022-03-01 15:54:27,285 INFO L78 Accepts]: Start accepts. Automaton has 13329 states and 59552 transitions. Word has length 168 [2022-03-01 15:54:27,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:27,286 INFO L470 AbstractCegarLoop]: Abstraction has 13329 states and 59552 transitions. [2022-03-01 15:54:27,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13329 states and 59552 transitions. [2022-03-01 15:54:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-03-01 15:54:27,377 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:27,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:27,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:54:27,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:27,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:27,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1639336348, now seen corresponding path program 1 times [2022-03-01 15:54:27,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:27,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553147017] [2022-03-01 15:54:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:54:27,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:27,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553147017] [2022-03-01 15:54:27,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553147017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:27,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:27,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:54:27,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729400492] [2022-03-01 15:54:27,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:27,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:54:27,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:27,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:54:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:54:27,772 INFO L87 Difference]: Start difference. First operand 13329 states and 59552 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:28,170 INFO L93 Difference]: Finished difference Result 22523 states and 101314 transitions. [2022-03-01 15:54:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:54:28,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2022-03-01 15:54:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:28,343 INFO L225 Difference]: With dead ends: 22523 [2022-03-01 15:54:28,343 INFO L226 Difference]: Without dead ends: 20528 [2022-03-01 15:54:28,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:54:28,344 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 26 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:28,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 578 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20528 states. [2022-03-01 15:54:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20528 to 17811. [2022-03-01 15:54:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17811 states, 17810 states have (on average 4.470971364402021) internal successors, (79628), 17810 states have internal predecessors, (79628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17811 states to 17811 states and 79628 transitions. [2022-03-01 15:54:29,309 INFO L78 Accepts]: Start accepts. Automaton has 17811 states and 79628 transitions. Word has length 168 [2022-03-01 15:54:29,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:29,319 INFO L470 AbstractCegarLoop]: Abstraction has 17811 states and 79628 transitions. [2022-03-01 15:54:29,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 17811 states and 79628 transitions. [2022-03-01 15:54:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-03-01 15:54:29,373 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:29,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:29,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 15:54:29,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:29,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1549721869, now seen corresponding path program 1 times [2022-03-01 15:54:29,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:29,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729110237] [2022-03-01 15:54:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:54:29,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:29,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729110237] [2022-03-01 15:54:29,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729110237] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:29,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:29,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:54:29,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73940351] [2022-03-01 15:54:29,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:29,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:54:29,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:54:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:54:29,461 INFO L87 Difference]: Start difference. First operand 17811 states and 79628 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:29,771 INFO L93 Difference]: Finished difference Result 27518 states and 121690 transitions. [2022-03-01 15:54:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:54:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-03-01 15:54:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:29,943 INFO L225 Difference]: With dead ends: 27518 [2022-03-01 15:54:29,943 INFO L226 Difference]: Without dead ends: 25988 [2022-03-01 15:54:29,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:54:29,949 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 36 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:29,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 275 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:54:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25988 states. [2022-03-01 15:54:30,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25988 to 21389. [2022-03-01 15:54:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21389 states, 21388 states have (on average 4.462081541051057) internal successors, (95435), 21388 states have internal predecessors, (95435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21389 states to 21389 states and 95435 transitions. [2022-03-01 15:54:30,757 INFO L78 Accepts]: Start accepts. Automaton has 21389 states and 95435 transitions. Word has length 171 [2022-03-01 15:54:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:30,757 INFO L470 AbstractCegarLoop]: Abstraction has 21389 states and 95435 transitions. [2022-03-01 15:54:30,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 21389 states and 95435 transitions. [2022-03-01 15:54:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-03-01 15:54:30,809 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:30,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:30,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 15:54:30,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:30,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:30,810 INFO L85 PathProgramCache]: Analyzing trace with hash 670846327, now seen corresponding path program 1 times [2022-03-01 15:54:30,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:30,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53239569] [2022-03-01 15:54:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:30,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:54:30,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:30,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53239569] [2022-03-01 15:54:30,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53239569] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:30,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:30,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:54:30,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235219554] [2022-03-01 15:54:30,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:30,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:54:30,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:30,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:54:30,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:54:30,882 INFO L87 Difference]: Start difference. First operand 21389 states and 95435 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:31,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:31,261 INFO L93 Difference]: Finished difference Result 32705 states and 143710 transitions. [2022-03-01 15:54:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:54:31,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-03-01 15:54:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:31,584 INFO L225 Difference]: With dead ends: 32705 [2022-03-01 15:54:31,584 INFO L226 Difference]: Without dead ends: 30560 [2022-03-01 15:54:31,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:54:31,585 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 48 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:31,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 282 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:54:31,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30560 states. [2022-03-01 15:54:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30560 to 26690. [2022-03-01 15:54:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26690 states, 26689 states have (on average 4.411855071377722) internal successors, (117748), 26689 states have internal predecessors, (117748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26690 states to 26690 states and 117748 transitions. [2022-03-01 15:54:32,415 INFO L78 Accepts]: Start accepts. Automaton has 26690 states and 117748 transitions. Word has length 171 [2022-03-01 15:54:32,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:32,415 INFO L470 AbstractCegarLoop]: Abstraction has 26690 states and 117748 transitions. [2022-03-01 15:54:32,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 26690 states and 117748 transitions. [2022-03-01 15:54:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-03-01 15:54:32,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:32,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:32,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 15:54:32,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:32,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash -506008106, now seen corresponding path program 1 times [2022-03-01 15:54:32,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:32,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820764794] [2022-03-01 15:54:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:54:32,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:32,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820764794] [2022-03-01 15:54:32,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820764794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:32,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:32,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 15:54:32,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599619113] [2022-03-01 15:54:32,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:32,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:54:32,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:32,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:54:32,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:54:32,792 INFO L87 Difference]: Start difference. First operand 26690 states and 117748 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:33,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:33,124 INFO L93 Difference]: Finished difference Result 38942 states and 167822 transitions. [2022-03-01 15:54:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:54:33,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2022-03-01 15:54:33,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:33,463 INFO L225 Difference]: With dead ends: 38942 [2022-03-01 15:54:33,463 INFO L226 Difference]: Without dead ends: 35189 [2022-03-01 15:54:33,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-01 15:54:33,464 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 439 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:33,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [439 Valid, 637 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35189 states. [2022-03-01 15:54:34,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35189 to 30072. [2022-03-01 15:54:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30072 states, 30071 states have (on average 4.391706295101593) internal successors, (132063), 30071 states have internal predecessors, (132063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30072 states to 30072 states and 132063 transitions. [2022-03-01 15:54:34,539 INFO L78 Accepts]: Start accepts. Automaton has 30072 states and 132063 transitions. Word has length 174 [2022-03-01 15:54:34,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:34,540 INFO L470 AbstractCegarLoop]: Abstraction has 30072 states and 132063 transitions. [2022-03-01 15:54:34,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30072 states and 132063 transitions. [2022-03-01 15:54:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-03-01 15:54:34,627 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:34,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:34,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 15:54:34,627 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash 976100160, now seen corresponding path program 1 times [2022-03-01 15:54:34,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:34,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022357736] [2022-03-01 15:54:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:54:34,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:34,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022357736] [2022-03-01 15:54:34,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022357736] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:34,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:34,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 15:54:34,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423950439] [2022-03-01 15:54:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:34,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:54:34,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:34,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:54:34,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:54:34,698 INFO L87 Difference]: Start difference. First operand 30072 states and 132063 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:35,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:35,300 INFO L93 Difference]: Finished difference Result 42238 states and 181429 transitions. [2022-03-01 15:54:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:54:35,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2022-03-01 15:54:35,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:35,471 INFO L225 Difference]: With dead ends: 42238 [2022-03-01 15:54:35,471 INFO L226 Difference]: Without dead ends: 38485 [2022-03-01 15:54:35,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:54:35,472 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 177 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:35,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 631 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38485 states. [2022-03-01 15:54:36,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38485 to 33062. [2022-03-01 15:54:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33062 states, 33061 states have (on average 4.378845164998034) internal successors, (144769), 33061 states have internal predecessors, (144769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33062 states to 33062 states and 144769 transitions. [2022-03-01 15:54:36,573 INFO L78 Accepts]: Start accepts. Automaton has 33062 states and 144769 transitions. Word has length 174 [2022-03-01 15:54:36,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:36,573 INFO L470 AbstractCegarLoop]: Abstraction has 33062 states and 144769 transitions. [2022-03-01 15:54:36,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 33062 states and 144769 transitions. [2022-03-01 15:54:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:36,658 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:36,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:36,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 15:54:36,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:36,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:36,658 INFO L85 PathProgramCache]: Analyzing trace with hash -342805233, now seen corresponding path program 1 times [2022-03-01 15:54:36,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:36,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220042360] [2022-03-01 15:54:36,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:36,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:36,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:36,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220042360] [2022-03-01 15:54:36,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220042360] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:36,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:36,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:54:36,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403031789] [2022-03-01 15:54:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:36,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:54:36,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:36,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:54:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:54:36,885 INFO L87 Difference]: Start difference. First operand 33062 states and 144769 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:37,475 INFO L93 Difference]: Finished difference Result 38783 states and 167854 transitions. [2022-03-01 15:54:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:54:37,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:37,647 INFO L225 Difference]: With dead ends: 38783 [2022-03-01 15:54:37,647 INFO L226 Difference]: Without dead ends: 38099 [2022-03-01 15:54:37,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:54:37,648 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 516 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:37,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [516 Valid, 923 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:37,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38099 states. [2022-03-01 15:54:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38099 to 32954. [2022-03-01 15:54:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32954 states, 32953 states have (on average 4.377810821473007) internal successors, (144262), 32953 states have internal predecessors, (144262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32954 states to 32954 states and 144262 transitions. [2022-03-01 15:54:38,758 INFO L78 Accepts]: Start accepts. Automaton has 32954 states and 144262 transitions. Word has length 181 [2022-03-01 15:54:38,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:38,758 INFO L470 AbstractCegarLoop]: Abstraction has 32954 states and 144262 transitions. [2022-03-01 15:54:38,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 32954 states and 144262 transitions. [2022-03-01 15:54:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:38,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:38,839 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:38,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 15:54:38,840 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:38,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1721272917, now seen corresponding path program 2 times [2022-03-01 15:54:38,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:38,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510811698] [2022-03-01 15:54:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:39,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:39,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510811698] [2022-03-01 15:54:39,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510811698] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:39,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164521995] [2022-03-01 15:54:39,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:54:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:54:39,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:54:39,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 15:54:39,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:54:39,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:54:39,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 15:54:39,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:54:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:40,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:54:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:40,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164521995] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:40,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 15:54:40,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 17 [2022-03-01 15:54:40,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619349700] [2022-03-01 15:54:40,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:40,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:54:40,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:40,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:54:40,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-03-01 15:54:40,517 INFO L87 Difference]: Start difference. First operand 32954 states and 144262 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:41,194 INFO L93 Difference]: Finished difference Result 57113 states and 242912 transitions. [2022-03-01 15:54:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 15:54:41,199 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:41,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:41,475 INFO L225 Difference]: With dead ends: 57113 [2022-03-01 15:54:41,475 INFO L226 Difference]: Without dead ends: 55841 [2022-03-01 15:54:41,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2022-03-01 15:54:41,476 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 632 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:41,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 862 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55841 states. [2022-03-01 15:54:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55841 to 35260. [2022-03-01 15:54:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35260 states, 35259 states have (on average 4.411838112255027) internal successors, (155557), 35259 states have internal predecessors, (155557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35260 states to 35260 states and 155557 transitions. [2022-03-01 15:54:42,865 INFO L78 Accepts]: Start accepts. Automaton has 35260 states and 155557 transitions. Word has length 181 [2022-03-01 15:54:42,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:42,866 INFO L470 AbstractCegarLoop]: Abstraction has 35260 states and 155557 transitions. [2022-03-01 15:54:42,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 35260 states and 155557 transitions. [2022-03-01 15:54:42,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:42,946 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:42,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:42,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 15:54:43,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:43,154 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:43,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:43,154 INFO L85 PathProgramCache]: Analyzing trace with hash -484338227, now seen corresponding path program 3 times [2022-03-01 15:54:43,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:43,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599341964] [2022-03-01 15:54:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:43,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:43,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599341964] [2022-03-01 15:54:43,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599341964] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:43,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:43,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:54:43,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248455384] [2022-03-01 15:54:43,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:43,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:54:43,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:54:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:54:43,378 INFO L87 Difference]: Start difference. First operand 35260 states and 155557 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:43,964 INFO L93 Difference]: Finished difference Result 41368 states and 179312 transitions. [2022-03-01 15:54:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:54:43,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:44,105 INFO L225 Difference]: With dead ends: 41368 [2022-03-01 15:54:44,105 INFO L226 Difference]: Without dead ends: 40585 [2022-03-01 15:54:44,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:54:44,106 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 517 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:44,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 967 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:44,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40585 states. [2022-03-01 15:54:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40585 to 35196. [2022-03-01 15:54:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35196 states, 35195 states have (on average 4.409518397499645) internal successors, (155193), 35195 states have internal predecessors, (155193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35196 states to 35196 states and 155193 transitions. [2022-03-01 15:54:45,294 INFO L78 Accepts]: Start accepts. Automaton has 35196 states and 155193 transitions. Word has length 181 [2022-03-01 15:54:45,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:45,295 INFO L470 AbstractCegarLoop]: Abstraction has 35196 states and 155193 transitions. [2022-03-01 15:54:45,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 35196 states and 155193 transitions. [2022-03-01 15:54:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:45,379 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:45,379 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:45,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 15:54:45,379 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1706007281, now seen corresponding path program 4 times [2022-03-01 15:54:45,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:45,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311219101] [2022-03-01 15:54:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:45,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:45,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311219101] [2022-03-01 15:54:45,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311219101] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:45,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653731900] [2022-03-01 15:54:45,530 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:54:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:54:45,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:54:45,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 15:54:45,651 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:54:45,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:54:45,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-01 15:54:45,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:54:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:46,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:54:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:54:46,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653731900] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:46,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 15:54:46,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 7] total 19 [2022-03-01 15:54:46,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058273963] [2022-03-01 15:54:46,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:46,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 15:54:46,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:46,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 15:54:46,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-03-01 15:54:46,787 INFO L87 Difference]: Start difference. First operand 35196 states and 155193 transitions. Second operand has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:47,781 INFO L93 Difference]: Finished difference Result 69691 states and 295926 transitions. [2022-03-01 15:54:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-01 15:54:47,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:48,059 INFO L225 Difference]: With dead ends: 69691 [2022-03-01 15:54:48,059 INFO L226 Difference]: Without dead ends: 66171 [2022-03-01 15:54:48,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=1142, Unknown=0, NotChecked=0, Total=1406 [2022-03-01 15:54:48,060 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 1500 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:48,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1500 Valid, 1132 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 15:54:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66171 states. [2022-03-01 15:54:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66171 to 33140. [2022-03-01 15:54:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33140 states, 33139 states have (on average 4.3826307371978634) internal successors, (145236), 33139 states have internal predecessors, (145236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33140 states to 33140 states and 145236 transitions. [2022-03-01 15:54:49,422 INFO L78 Accepts]: Start accepts. Automaton has 33140 states and 145236 transitions. Word has length 181 [2022-03-01 15:54:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:49,423 INFO L470 AbstractCegarLoop]: Abstraction has 33140 states and 145236 transitions. [2022-03-01 15:54:49,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 33140 states and 145236 transitions. [2022-03-01 15:54:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:49,498 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:49,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:49,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 15:54:49,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-01 15:54:49,705 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:49,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1482240685, now seen corresponding path program 5 times [2022-03-01 15:54:49,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:49,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848845053] [2022-03-01 15:54:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:49,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:50,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:50,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848845053] [2022-03-01 15:54:50,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848845053] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:50,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791509808] [2022-03-01 15:54:50,113 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:54:50,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:50,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:54:50,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:54:50,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 15:54:50,259 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:54:50,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:54:50,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-01 15:54:50,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:54:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:50,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:54:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:54:51,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791509808] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:51,252 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 15:54:51,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 7] total 19 [2022-03-01 15:54:51,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902571149] [2022-03-01 15:54:51,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:51,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 15:54:51,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:51,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 15:54:51,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-01 15:54:51,253 INFO L87 Difference]: Start difference. First operand 33140 states and 145236 transitions. Second operand has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:52,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:52,364 INFO L93 Difference]: Finished difference Result 65487 states and 277086 transitions. [2022-03-01 15:54:52,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-01 15:54:52,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:52,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:52,643 INFO L225 Difference]: With dead ends: 65487 [2022-03-01 15:54:52,644 INFO L226 Difference]: Without dead ends: 64411 [2022-03-01 15:54:52,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=284, Invalid=1276, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 15:54:52,644 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 1715 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:52,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 1158 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 15:54:52,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64411 states. [2022-03-01 15:54:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64411 to 31330. [2022-03-01 15:54:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31330 states, 31329 states have (on average 4.351623096811261) internal successors, (136332), 31329 states have internal predecessors, (136332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31330 states to 31330 states and 136332 transitions. [2022-03-01 15:54:53,945 INFO L78 Accepts]: Start accepts. Automaton has 31330 states and 136332 transitions. Word has length 181 [2022-03-01 15:54:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:53,945 INFO L470 AbstractCegarLoop]: Abstraction has 31330 states and 136332 transitions. [2022-03-01 15:54:53,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 9 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 31330 states and 136332 transitions. [2022-03-01 15:54:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:54,016 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:54,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:54,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 15:54:54,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:54,224 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:54,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:54,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1575791921, now seen corresponding path program 6 times [2022-03-01 15:54:54,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:54,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733196291] [2022-03-01 15:54:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:54,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:54,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733196291] [2022-03-01 15:54:54,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733196291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:54:54,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:54:54,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:54:54,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588778865] [2022-03-01 15:54:54,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:54:54,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:54:54,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:54:54,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:54:54,390 INFO L87 Difference]: Start difference. First operand 31330 states and 136332 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:55,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:54:55,011 INFO L93 Difference]: Finished difference Result 34787 states and 151296 transitions. [2022-03-01 15:54:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:54:55,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:54:55,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:54:55,138 INFO L225 Difference]: With dead ends: 34787 [2022-03-01 15:54:55,139 INFO L226 Difference]: Without dead ends: 34111 [2022-03-01 15:54:55,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:54:55,139 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 361 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:54:55,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 946 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:54:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34111 states. [2022-03-01 15:54:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34111 to 28825. [2022-03-01 15:54:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28825 states, 28824 states have (on average 4.389432417429919) internal successors, (126521), 28824 states have internal predecessors, (126521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28825 states to 28825 states and 126521 transitions. [2022-03-01 15:54:56,197 INFO L78 Accepts]: Start accepts. Automaton has 28825 states and 126521 transitions. Word has length 181 [2022-03-01 15:54:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:54:56,204 INFO L470 AbstractCegarLoop]: Abstraction has 28825 states and 126521 transitions. [2022-03-01 15:54:56,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:54:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 28825 states and 126521 transitions. [2022-03-01 15:54:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:54:56,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:54:56,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:54:56,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 15:54:56,285 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:54:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:54:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash -802313301, now seen corresponding path program 1 times [2022-03-01 15:54:56,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:54:56,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128324928] [2022-03-01 15:54:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:54:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:56,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:54:56,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128324928] [2022-03-01 15:54:56,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128324928] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:54:56,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702699797] [2022-03-01 15:54:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:54:56,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:54:56,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:54:56,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:54:56,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 15:54:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:54:56,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-01 15:54:56,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:54:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:54:57,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:54:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:54:57,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702699797] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:54:57,565 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:54:57,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 11] total 21 [2022-03-01 15:54:57,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634229701] [2022-03-01 15:54:57,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:54:57,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 15:54:57,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:54:57,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 15:54:57,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2022-03-01 15:54:57,566 INFO L87 Difference]: Start difference. First operand 28825 states and 126521 transitions. Second operand has 21 states, 21 states have (on average 21.238095238095237) internal successors, (446), 21 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:00,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:00,037 INFO L93 Difference]: Finished difference Result 75725 states and 321758 transitions. [2022-03-01 15:55:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-01 15:55:00,038 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 21.238095238095237) internal successors, (446), 21 states have internal predecessors, (446), 0 states have call successors, (0), 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 181 [2022-03-01 15:55:00,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:00,396 INFO L225 Difference]: With dead ends: 75725 [2022-03-01 15:55:00,396 INFO L226 Difference]: Without dead ends: 71287 [2022-03-01 15:55:00,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=988, Invalid=3982, Unknown=0, NotChecked=0, Total=4970 [2022-03-01 15:55:00,397 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 2079 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:00,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2079 Valid, 3665 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 15:55:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71287 states. [2022-03-01 15:55:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71287 to 30564. [2022-03-01 15:55:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30564 states, 30563 states have (on average 4.41651670320322) internal successors, (134982), 30563 states have internal predecessors, (134982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30564 states to 30564 states and 134982 transitions. [2022-03-01 15:55:01,935 INFO L78 Accepts]: Start accepts. Automaton has 30564 states and 134982 transitions. Word has length 181 [2022-03-01 15:55:01,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:01,935 INFO L470 AbstractCegarLoop]: Abstraction has 30564 states and 134982 transitions. [2022-03-01 15:55:01,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.238095238095237) internal successors, (446), 21 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30564 states and 134982 transitions. [2022-03-01 15:55:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:55:02,015 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:02,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:02,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:02,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:02,216 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1876789873, now seen corresponding path program 2 times [2022-03-01 15:55:02,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:02,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721028552] [2022-03-01 15:55:02,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:02,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:02,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:02,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721028552] [2022-03-01 15:55:02,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721028552] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:02,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:02,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:55:02,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69757038] [2022-03-01 15:55:02,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:02,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:55:02,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:55:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:55:02,445 INFO L87 Difference]: Start difference. First operand 30564 states and 134982 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:03,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:03,067 INFO L93 Difference]: Finished difference Result 38020 states and 165661 transitions. [2022-03-01 15:55:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:55:03,067 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:55:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:03,206 INFO L225 Difference]: With dead ends: 38020 [2022-03-01 15:55:03,206 INFO L226 Difference]: Without dead ends: 36358 [2022-03-01 15:55:03,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:55:03,208 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 564 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:03,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [564 Valid, 1018 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36358 states. [2022-03-01 15:55:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36358 to 30390. [2022-03-01 15:55:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30390 states, 30389 states have (on average 4.421994800750271) internal successors, (134380), 30389 states have internal predecessors, (134380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30390 states to 30390 states and 134380 transitions. [2022-03-01 15:55:04,075 INFO L78 Accepts]: Start accepts. Automaton has 30390 states and 134380 transitions. Word has length 181 [2022-03-01 15:55:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:04,075 INFO L470 AbstractCegarLoop]: Abstraction has 30390 states and 134380 transitions. [2022-03-01 15:55:04,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 30390 states and 134380 transitions. [2022-03-01 15:55:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:55:04,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:04,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:04,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 15:55:04,341 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:04,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash 252097369, now seen corresponding path program 3 times [2022-03-01 15:55:04,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:04,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164751998] [2022-03-01 15:55:04,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:04,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:04,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:04,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164751998] [2022-03-01 15:55:04,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164751998] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:04,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313672880] [2022-03-01 15:55:04,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:55:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:04,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:04,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 15:55:04,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:55:04,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:04,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 15:55:04,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:05,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:05,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313672880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:05,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:05,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-03-01 15:55:05,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853021628] [2022-03-01 15:55:05,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:05,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:55:05,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:05,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:55:05,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-01 15:55:05,042 INFO L87 Difference]: Start difference. First operand 30390 states and 134380 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:05,608 INFO L93 Difference]: Finished difference Result 40602 states and 176542 transitions. [2022-03-01 15:55:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:55:05,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:55:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:05,799 INFO L225 Difference]: With dead ends: 40602 [2022-03-01 15:55:05,800 INFO L226 Difference]: Without dead ends: 40098 [2022-03-01 15:55:05,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2022-03-01 15:55:05,800 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 479 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:05,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 880 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40098 states. [2022-03-01 15:55:06,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40098 to 32364. [2022-03-01 15:55:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32364 states, 32363 states have (on average 4.422365046503724) internal successors, (143121), 32363 states have internal predecessors, (143121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32364 states to 32364 states and 143121 transitions. [2022-03-01 15:55:06,827 INFO L78 Accepts]: Start accepts. Automaton has 32364 states and 143121 transitions. Word has length 181 [2022-03-01 15:55:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:06,827 INFO L470 AbstractCegarLoop]: Abstraction has 32364 states and 143121 transitions. [2022-03-01 15:55:06,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32364 states and 143121 transitions. [2022-03-01 15:55:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:55:06,916 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:06,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:06,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:07,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-01 15:55:07,133 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:07,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:07,134 INFO L85 PathProgramCache]: Analyzing trace with hash -549754431, now seen corresponding path program 4 times [2022-03-01 15:55:07,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:07,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35696153] [2022-03-01 15:55:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:07,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:07,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35696153] [2022-03-01 15:55:07,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35696153] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:07,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:07,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:55:07,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908311115] [2022-03-01 15:55:07,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:07,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:55:07,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:07,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:55:07,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:55:07,496 INFO L87 Difference]: Start difference. First operand 32364 states and 143121 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:07,967 INFO L93 Difference]: Finished difference Result 37486 states and 162721 transitions. [2022-03-01 15:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:55:07,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:55:07,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:08,112 INFO L225 Difference]: With dead ends: 37486 [2022-03-01 15:55:08,112 INFO L226 Difference]: Without dead ends: 37234 [2022-03-01 15:55:08,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:55:08,113 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 363 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:08,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 1037 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37234 states. [2022-03-01 15:55:08,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37234 to 32112. [2022-03-01 15:55:08,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32112 states, 32111 states have (on average 4.4229703216966145) internal successors, (142026), 32111 states have internal predecessors, (142026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32112 states to 32112 states and 142026 transitions. [2022-03-01 15:55:09,275 INFO L78 Accepts]: Start accepts. Automaton has 32112 states and 142026 transitions. Word has length 181 [2022-03-01 15:55:09,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:09,275 INFO L470 AbstractCegarLoop]: Abstraction has 32112 states and 142026 transitions. [2022-03-01 15:55:09,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32112 states and 142026 transitions. [2022-03-01 15:55:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-01 15:55:09,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:09,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:09,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 15:55:09,351 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:09,351 INFO L85 PathProgramCache]: Analyzing trace with hash 785336179, now seen corresponding path program 5 times [2022-03-01 15:55:09,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:09,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590052850] [2022-03-01 15:55:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:09,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:09,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:09,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590052850] [2022-03-01 15:55:09,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590052850] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:09,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576836198] [2022-03-01 15:55:09,457 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:55:09,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:09,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:09,459 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:09,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 15:55:09,562 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:55:09,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:09,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-01 15:55:09,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 15:55:10,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:10,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576836198] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:10,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:10,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-03-01 15:55:10,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876521260] [2022-03-01 15:55:10,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:10,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:55:10,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:10,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:55:10,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-01 15:55:10,069 INFO L87 Difference]: Start difference. First operand 32112 states and 142026 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:10,636 INFO L93 Difference]: Finished difference Result 43592 states and 191684 transitions. [2022-03-01 15:55:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 15:55:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2022-03-01 15:55:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:10,799 INFO L225 Difference]: With dead ends: 43592 [2022-03-01 15:55:10,799 INFO L226 Difference]: Without dead ends: 41831 [2022-03-01 15:55:10,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-03-01 15:55:10,800 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 459 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:10,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 934 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:10,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41831 states. [2022-03-01 15:55:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41831 to 24955. [2022-03-01 15:55:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24955 states, 24954 states have (on average 4.44241404183698) internal successors, (110856), 24954 states have internal predecessors, (110856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24955 states to 24955 states and 110856 transitions. [2022-03-01 15:55:11,608 INFO L78 Accepts]: Start accepts. Automaton has 24955 states and 110856 transitions. Word has length 181 [2022-03-01 15:55:11,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:11,609 INFO L470 AbstractCegarLoop]: Abstraction has 24955 states and 110856 transitions. [2022-03-01 15:55:11,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 24955 states and 110856 transitions. [2022-03-01 15:55:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:11,828 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:11,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:11,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:12,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-01 15:55:12,044 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1807237333, now seen corresponding path program 1 times [2022-03-01 15:55:12,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:12,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790416681] [2022-03-01 15:55:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:12,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:12,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790416681] [2022-03-01 15:55:12,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790416681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:12,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706278796] [2022-03-01 15:55:12,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:12,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:12,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:12,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:12,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 15:55:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:12,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-01 15:55:12,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:12,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:12,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706278796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:12,528 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:12,528 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2022-03-01 15:55:12,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104353155] [2022-03-01 15:55:12,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:12,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:55:12,529 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:12,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:55:12,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:55:12,529 INFO L87 Difference]: Start difference. First operand 24955 states and 110856 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:13,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:13,181 INFO L93 Difference]: Finished difference Result 55543 states and 250657 transitions. [2022-03-01 15:55:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:55:13,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:13,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:13,469 INFO L225 Difference]: With dead ends: 55543 [2022-03-01 15:55:13,469 INFO L226 Difference]: Without dead ends: 55543 [2022-03-01 15:55:13,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:55:13,469 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 202 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:13,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 961 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55543 states. [2022-03-01 15:55:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55543 to 33145. [2022-03-01 15:55:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33145 states, 33144 states have (on average 4.507301472363022) internal successors, (149390), 33144 states have internal predecessors, (149390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33145 states to 33145 states and 149390 transitions. [2022-03-01 15:55:14,819 INFO L78 Accepts]: Start accepts. Automaton has 33145 states and 149390 transitions. Word has length 191 [2022-03-01 15:55:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:14,819 INFO L470 AbstractCegarLoop]: Abstraction has 33145 states and 149390 transitions. [2022-03-01 15:55:14,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33145 states and 149390 transitions. [2022-03-01 15:55:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:14,904 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:14,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:14,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:15,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:15,105 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:15,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1608854421, now seen corresponding path program 1 times [2022-03-01 15:55:15,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:15,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036736979] [2022-03-01 15:55:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:15,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:15,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036736979] [2022-03-01 15:55:15,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036736979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:15,165 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:15,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:15,165 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244264355] [2022-03-01 15:55:15,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:15,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:15,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:15,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:15,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:15,166 INFO L87 Difference]: Start difference. First operand 33145 states and 149390 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:15,844 INFO L93 Difference]: Finished difference Result 57844 states and 259988 transitions. [2022-03-01 15:55:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:15,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:16,165 INFO L225 Difference]: With dead ends: 57844 [2022-03-01 15:55:16,165 INFO L226 Difference]: Without dead ends: 57844 [2022-03-01 15:55:16,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:55:16,166 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 160 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:16,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 708 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:16,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57844 states. [2022-03-01 15:55:17,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57844 to 34807. [2022-03-01 15:55:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34807 states, 34806 states have (on average 4.49350686663219) internal successors, (156401), 34806 states have internal predecessors, (156401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34807 states to 34807 states and 156401 transitions. [2022-03-01 15:55:17,580 INFO L78 Accepts]: Start accepts. Automaton has 34807 states and 156401 transitions. Word has length 191 [2022-03-01 15:55:17,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:17,580 INFO L470 AbstractCegarLoop]: Abstraction has 34807 states and 156401 transitions. [2022-03-01 15:55:17,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:17,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34807 states and 156401 transitions. [2022-03-01 15:55:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:17,665 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:17,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:17,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 15:55:17,665 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:17,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1603809585, now seen corresponding path program 2 times [2022-03-01 15:55:17,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:17,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203323841] [2022-03-01 15:55:17,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:17,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:17,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:17,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203323841] [2022-03-01 15:55:17,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203323841] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:17,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049362000] [2022-03-01 15:55:17,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:55:17,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:17,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:17,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 15:55:17,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:55:17,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:17,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-01 15:55:17,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:18,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:18,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049362000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:18,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:18,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-03-01 15:55:18,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776535500] [2022-03-01 15:55:18,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:18,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:18,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:18,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:55:18,108 INFO L87 Difference]: Start difference. First operand 34807 states and 156401 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:18,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:18,714 INFO L93 Difference]: Finished difference Result 54991 states and 249676 transitions. [2022-03-01 15:55:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:18,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:18,980 INFO L225 Difference]: With dead ends: 54991 [2022-03-01 15:55:18,980 INFO L226 Difference]: Without dead ends: 54991 [2022-03-01 15:55:18,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-01 15:55:18,980 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 185 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:18,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 639 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:55:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54991 states. [2022-03-01 15:55:20,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54991 to 27706. [2022-03-01 15:55:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27706 states, 27705 states have (on average 4.479155387114239) internal successors, (124095), 27705 states have internal predecessors, (124095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27706 states to 27706 states and 124095 transitions. [2022-03-01 15:55:20,241 INFO L78 Accepts]: Start accepts. Automaton has 27706 states and 124095 transitions. Word has length 191 [2022-03-01 15:55:20,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:20,242 INFO L470 AbstractCegarLoop]: Abstraction has 27706 states and 124095 transitions. [2022-03-01 15:55:20,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 27706 states and 124095 transitions. [2022-03-01 15:55:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:20,311 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:20,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:20,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:20,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:20,516 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:20,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:20,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1125789345, now seen corresponding path program 3 times [2022-03-01 15:55:20,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:20,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620211301] [2022-03-01 15:55:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:20,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:20,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:20,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620211301] [2022-03-01 15:55:20,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620211301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:20,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:20,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:20,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977161065] [2022-03-01 15:55:20,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:20,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:20,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:20,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:20,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:20,580 INFO L87 Difference]: Start difference. First operand 27706 states and 124095 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:21,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:21,195 INFO L93 Difference]: Finished difference Result 40394 states and 182886 transitions. [2022-03-01 15:55:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:55:21,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:21,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:21,371 INFO L225 Difference]: With dead ends: 40394 [2022-03-01 15:55:21,371 INFO L226 Difference]: Without dead ends: 40394 [2022-03-01 15:55:21,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:55:21,372 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 138 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:21,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 870 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40394 states. [2022-03-01 15:55:22,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40394 to 27656. [2022-03-01 15:55:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27656 states, 27655 states have (on average 4.483384559754113) internal successors, (123988), 27655 states have internal predecessors, (123988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27656 states to 27656 states and 123988 transitions. [2022-03-01 15:55:22,281 INFO L78 Accepts]: Start accepts. Automaton has 27656 states and 123988 transitions. Word has length 191 [2022-03-01 15:55:22,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:22,281 INFO L470 AbstractCegarLoop]: Abstraction has 27656 states and 123988 transitions. [2022-03-01 15:55:22,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27656 states and 123988 transitions. [2022-03-01 15:55:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:22,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:22,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:22,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 15:55:22,351 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:22,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1172309895, now seen corresponding path program 4 times [2022-03-01 15:55:22,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:22,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380273523] [2022-03-01 15:55:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:22,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:22,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380273523] [2022-03-01 15:55:22,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380273523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:22,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:22,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:22,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33451331] [2022-03-01 15:55:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:22,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:22,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:22,455 INFO L87 Difference]: Start difference. First operand 27656 states and 123988 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:22,968 INFO L93 Difference]: Finished difference Result 35679 states and 161136 transitions. [2022-03-01 15:55:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:55:22,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:22,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:23,108 INFO L225 Difference]: With dead ends: 35679 [2022-03-01 15:55:23,108 INFO L226 Difference]: Without dead ends: 34842 [2022-03-01 15:55:23,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:23,108 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 150 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:23,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 579 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:23,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34842 states. [2022-03-01 15:55:23,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34842 to 31841. [2022-03-01 15:55:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31841 states, 31840 states have (on average 4.517179648241206) internal successors, (143827), 31840 states have internal predecessors, (143827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31841 states to 31841 states and 143827 transitions. [2022-03-01 15:55:24,219 INFO L78 Accepts]: Start accepts. Automaton has 31841 states and 143827 transitions. Word has length 191 [2022-03-01 15:55:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:24,220 INFO L470 AbstractCegarLoop]: Abstraction has 31841 states and 143827 transitions. [2022-03-01 15:55:24,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 31841 states and 143827 transitions. [2022-03-01 15:55:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:24,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:24,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:24,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 15:55:24,307 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:24,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:24,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2094986821, now seen corresponding path program 5 times [2022-03-01 15:55:24,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:24,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952578545] [2022-03-01 15:55:24,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:24,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:55:24,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:24,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952578545] [2022-03-01 15:55:24,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952578545] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:24,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572506152] [2022-03-01 15:55:24,445 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:55:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:24,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:24,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-01 15:55:24,558 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:55:24,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:24,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-01 15:55:24,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:24,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:24,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572506152] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:24,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:24,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-03-01 15:55:24,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102098241] [2022-03-01 15:55:24,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:24,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:55:24,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:55:24,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:55:24,970 INFO L87 Difference]: Start difference. First operand 31841 states and 143827 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:25,770 INFO L93 Difference]: Finished difference Result 67129 states and 304387 transitions. [2022-03-01 15:55:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:55:25,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:26,058 INFO L225 Difference]: With dead ends: 67129 [2022-03-01 15:55:26,058 INFO L226 Difference]: Without dead ends: 67129 [2022-03-01 15:55:26,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:55:26,058 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 212 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:26,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 944 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:26,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67129 states. [2022-03-01 15:55:27,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67129 to 43421. [2022-03-01 15:55:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43421 states, 43420 states have (on average 4.64207738369415) internal successors, (201559), 43420 states have internal predecessors, (201559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43421 states to 43421 states and 201559 transitions. [2022-03-01 15:55:27,958 INFO L78 Accepts]: Start accepts. Automaton has 43421 states and 201559 transitions. Word has length 191 [2022-03-01 15:55:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:27,973 INFO L470 AbstractCegarLoop]: Abstraction has 43421 states and 201559 transitions. [2022-03-01 15:55:27,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43421 states and 201559 transitions. [2022-03-01 15:55:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:28,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:28,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:28,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:28,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:28,317 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:28,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash 619101395, now seen corresponding path program 6 times [2022-03-01 15:55:28,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:28,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390393376] [2022-03-01 15:55:28,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:28,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:28,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:28,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390393376] [2022-03-01 15:55:28,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390393376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:28,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:28,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:28,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157653141] [2022-03-01 15:55:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:28,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:28,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:28,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:28,407 INFO L87 Difference]: Start difference. First operand 43421 states and 201559 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:29,315 INFO L93 Difference]: Finished difference Result 66111 states and 309334 transitions. [2022-03-01 15:55:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:29,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:29,615 INFO L225 Difference]: With dead ends: 66111 [2022-03-01 15:55:29,615 INFO L226 Difference]: Without dead ends: 66111 [2022-03-01 15:55:29,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:55:29,616 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 142 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:29,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 849 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66111 states. [2022-03-01 15:55:30,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66111 to 31027. [2022-03-01 15:55:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31027 states, 31026 states have (on average 4.506542899503642) internal successors, (139820), 31026 states have internal predecessors, (139820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31027 states to 31027 states and 139820 transitions. [2022-03-01 15:55:31,006 INFO L78 Accepts]: Start accepts. Automaton has 31027 states and 139820 transitions. Word has length 191 [2022-03-01 15:55:31,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:31,006 INFO L470 AbstractCegarLoop]: Abstraction has 31027 states and 139820 transitions. [2022-03-01 15:55:31,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 31027 states and 139820 transitions. [2022-03-01 15:55:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:31,083 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:31,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:31,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 15:55:31,083 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:31,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:31,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1639049219, now seen corresponding path program 7 times [2022-03-01 15:55:31,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:31,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193485839] [2022-03-01 15:55:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:31,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:31,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193485839] [2022-03-01 15:55:31,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193485839] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:31,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:31,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:31,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139820982] [2022-03-01 15:55:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:31,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:31,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:31,173 INFO L87 Difference]: Start difference. First operand 31027 states and 139820 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:31,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:31,749 INFO L93 Difference]: Finished difference Result 48912 states and 218408 transitions. [2022-03-01 15:55:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:55:31,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:31,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:31,965 INFO L225 Difference]: With dead ends: 48912 [2022-03-01 15:55:31,965 INFO L226 Difference]: Without dead ends: 48075 [2022-03-01 15:55:31,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:31,965 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 114 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:31,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 623 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48075 states. [2022-03-01 15:55:32,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48075 to 30860. [2022-03-01 15:55:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30860 states, 30859 states have (on average 4.484461583330633) internal successors, (138386), 30859 states have internal predecessors, (138386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30860 states to 30860 states and 138386 transitions. [2022-03-01 15:55:33,217 INFO L78 Accepts]: Start accepts. Automaton has 30860 states and 138386 transitions. Word has length 191 [2022-03-01 15:55:33,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:33,218 INFO L470 AbstractCegarLoop]: Abstraction has 30860 states and 138386 transitions. [2022-03-01 15:55:33,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30860 states and 138386 transitions. [2022-03-01 15:55:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:33,292 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:33,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:33,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 15:55:33,293 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:33,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:33,293 INFO L85 PathProgramCache]: Analyzing trace with hash -716372293, now seen corresponding path program 8 times [2022-03-01 15:55:33,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:33,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842178448] [2022-03-01 15:55:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:33,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:33,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842178448] [2022-03-01 15:55:33,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842178448] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:33,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:33,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:33,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011183985] [2022-03-01 15:55:33,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:33,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:33,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:33,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:33,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:33,375 INFO L87 Difference]: Start difference. First operand 30860 states and 138386 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:34,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:34,045 INFO L93 Difference]: Finished difference Result 56888 states and 255016 transitions. [2022-03-01 15:55:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:34,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:34,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:34,320 INFO L225 Difference]: With dead ends: 56888 [2022-03-01 15:55:34,320 INFO L226 Difference]: Without dead ends: 56888 [2022-03-01 15:55:34,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:55:34,320 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 164 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:34,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 830 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56888 states. [2022-03-01 15:55:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56888 to 29476. [2022-03-01 15:55:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29476 states, 29475 states have (on average 4.4247667514843085) internal successors, (130420), 29475 states have internal predecessors, (130420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29476 states to 29476 states and 130420 transitions. [2022-03-01 15:55:35,658 INFO L78 Accepts]: Start accepts. Automaton has 29476 states and 130420 transitions. Word has length 191 [2022-03-01 15:55:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:35,658 INFO L470 AbstractCegarLoop]: Abstraction has 29476 states and 130420 transitions. [2022-03-01 15:55:35,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 29476 states and 130420 transitions. [2022-03-01 15:55:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:35,736 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:35,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:35,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 15:55:35,737 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:35,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:35,737 INFO L85 PathProgramCache]: Analyzing trace with hash -743899039, now seen corresponding path program 9 times [2022-03-01 15:55:35,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:35,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110421469] [2022-03-01 15:55:35,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:35,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:35,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:35,874 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110421469] [2022-03-01 15:55:35,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110421469] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:35,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816112652] [2022-03-01 15:55:35,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:55:35,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:35,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:35,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:35,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-01 15:55:36,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:55:36,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:36,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-01 15:55:36,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:36,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:36,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816112652] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:36,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:36,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-03-01 15:55:36,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103316633] [2022-03-01 15:55:36,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:36,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:55:36,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:36,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:55:36,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:55:36,308 INFO L87 Difference]: Start difference. First operand 29476 states and 130420 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:37,097 INFO L93 Difference]: Finished difference Result 65677 states and 290726 transitions. [2022-03-01 15:55:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:37,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:37,412 INFO L225 Difference]: With dead ends: 65677 [2022-03-01 15:55:37,412 INFO L226 Difference]: Without dead ends: 65047 [2022-03-01 15:55:37,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:55:37,413 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 162 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:37,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 771 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:37,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65047 states. [2022-03-01 15:55:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65047 to 38296. [2022-03-01 15:55:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38296 states, 38295 states have (on average 4.493275884580233) internal successors, (172070), 38295 states have internal predecessors, (172070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38296 states to 38296 states and 172070 transitions. [2022-03-01 15:55:39,052 INFO L78 Accepts]: Start accepts. Automaton has 38296 states and 172070 transitions. Word has length 191 [2022-03-01 15:55:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:39,052 INFO L470 AbstractCegarLoop]: Abstraction has 38296 states and 172070 transitions. [2022-03-01 15:55:39,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 38296 states and 172070 transitions. [2022-03-01 15:55:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:39,382 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:39,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:39,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:39,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-01 15:55:39,600 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:39,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:39,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1104552797, now seen corresponding path program 10 times [2022-03-01 15:55:39,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:39,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871015885] [2022-03-01 15:55:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:39,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:39,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871015885] [2022-03-01 15:55:39,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871015885] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:39,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82485816] [2022-03-01 15:55:39,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:55:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:39,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:39,744 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:39,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-01 15:55:39,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:55:39,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:39,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-01 15:55:39,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:40,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:55:40,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82485816] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:40,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:55:40,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-03-01 15:55:40,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027216654] [2022-03-01 15:55:40,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:40,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:55:40,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:40,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:55:40,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:55:40,132 INFO L87 Difference]: Start difference. First operand 38296 states and 172070 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:40,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:40,504 INFO L93 Difference]: Finished difference Result 38008 states and 169961 transitions. [2022-03-01 15:55:40,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:55:40,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:40,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:40,897 INFO L225 Difference]: With dead ends: 38008 [2022-03-01 15:55:40,897 INFO L226 Difference]: Without dead ends: 35686 [2022-03-01 15:55:40,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:55:40,898 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 91 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:40,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 866 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35686 states. [2022-03-01 15:55:41,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35686 to 35067. [2022-03-01 15:55:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35067 states, 35066 states have (on average 4.498659670335938) internal successors, (157750), 35066 states have internal predecessors, (157750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35067 states to 35067 states and 157750 transitions. [2022-03-01 15:55:41,809 INFO L78 Accepts]: Start accepts. Automaton has 35067 states and 157750 transitions. Word has length 191 [2022-03-01 15:55:41,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:41,810 INFO L470 AbstractCegarLoop]: Abstraction has 35067 states and 157750 transitions. [2022-03-01 15:55:41,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 35067 states and 157750 transitions. [2022-03-01 15:55:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:41,904 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:41,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:41,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:42,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-03-01 15:55:42,105 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1465224997, now seen corresponding path program 2 times [2022-03-01 15:55:42,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:42,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314326913] [2022-03-01 15:55:42,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:42,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:55:42,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:42,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314326913] [2022-03-01 15:55:42,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314326913] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:42,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319133578] [2022-03-01 15:55:42,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:55:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:42,227 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:42,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-01 15:55:42,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:55:42,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:42,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-01 15:55:42,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:55:43,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:55:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:55:43,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319133578] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:55:43,403 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:55:43,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 21 [2022-03-01 15:55:43,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049242929] [2022-03-01 15:55:43,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:55:43,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-01 15:55:43,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:43,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-01 15:55:43,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-03-01 15:55:43,405 INFO L87 Difference]: Start difference. First operand 35067 states and 157750 transitions. Second operand has 21 states, 21 states have (on average 17.761904761904763) internal successors, (373), 21 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:47,605 INFO L93 Difference]: Finished difference Result 103702 states and 464719 transitions. [2022-03-01 15:55:47,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-01 15:55:47,606 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 17.761904761904763) internal successors, (373), 21 states have internal predecessors, (373), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:47,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:48,129 INFO L225 Difference]: With dead ends: 103702 [2022-03-01 15:55:48,130 INFO L226 Difference]: Without dead ends: 103702 [2022-03-01 15:55:48,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3868 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2161, Invalid=8759, Unknown=0, NotChecked=0, Total=10920 [2022-03-01 15:55:48,132 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 1347 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 2578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:48,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1347 Valid, 4715 Invalid, 2578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-01 15:55:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103702 states. [2022-03-01 15:55:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103702 to 34681. [2022-03-01 15:55:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34681 states, 34680 states have (on average 4.494579008073818) internal successors, (155872), 34680 states have internal predecessors, (155872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34681 states to 34681 states and 155872 transitions. [2022-03-01 15:55:50,247 INFO L78 Accepts]: Start accepts. Automaton has 34681 states and 155872 transitions. Word has length 191 [2022-03-01 15:55:50,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:50,248 INFO L470 AbstractCegarLoop]: Abstraction has 34681 states and 155872 transitions. [2022-03-01 15:55:50,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 17.761904761904763) internal successors, (373), 21 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34681 states and 155872 transitions. [2022-03-01 15:55:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:50,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:50,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:50,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:50,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-01 15:55:50,536 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1862057839, now seen corresponding path program 3 times [2022-03-01 15:55:50,536 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:50,536 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675583859] [2022-03-01 15:55:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:50,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:50,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675583859] [2022-03-01 15:55:50,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675583859] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:50,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533236731] [2022-03-01 15:55:50,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:55:50,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:50,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:55:50,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:55:50,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-01 15:55:50,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:55:50,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:55:50,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 15:55:50,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:55:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:51,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:55:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:51,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533236731] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-01 15:55:51,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-01 15:55:51,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 17 [2022-03-01 15:55:51,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141598006] [2022-03-01 15:55:51,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:51,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:55:51,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:55:51,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-03-01 15:55:51,792 INFO L87 Difference]: Start difference. First operand 34681 states and 155872 transitions. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:52,649 INFO L93 Difference]: Finished difference Result 72916 states and 317953 transitions. [2022-03-01 15:55:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:55:52,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:52,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:53,183 INFO L225 Difference]: With dead ends: 72916 [2022-03-01 15:55:53,184 INFO L226 Difference]: Without dead ends: 72916 [2022-03-01 15:55:53,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2022-03-01 15:55:53,184 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 474 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:53,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 1044 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 15:55:53,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72916 states. [2022-03-01 15:55:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72916 to 34852. [2022-03-01 15:55:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34852 states, 34851 states have (on average 4.498264038334624) internal successors, (156769), 34851 states have internal predecessors, (156769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34852 states to 34852 states and 156769 transitions. [2022-03-01 15:55:54,772 INFO L78 Accepts]: Start accepts. Automaton has 34852 states and 156769 transitions. Word has length 191 [2022-03-01 15:55:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:54,772 INFO L470 AbstractCegarLoop]: Abstraction has 34852 states and 156769 transitions. [2022-03-01 15:55:54,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34852 states and 156769 transitions. [2022-03-01 15:55:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:54,862 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:54,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:54,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-01 15:55:55,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:55:55,063 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:55,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1181755445, now seen corresponding path program 4 times [2022-03-01 15:55:55,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:55,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524203425] [2022-03-01 15:55:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:55,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:55,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524203425] [2022-03-01 15:55:55,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524203425] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:55,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:55,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:55:55,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356031426] [2022-03-01 15:55:55,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:55,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:55:55,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:55:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:55:55,232 INFO L87 Difference]: Start difference. First operand 34852 states and 156769 transitions. Second operand has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:55,840 INFO L93 Difference]: Finished difference Result 36266 states and 162630 transitions. [2022-03-01 15:55:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:55:55,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:55,974 INFO L225 Difference]: With dead ends: 36266 [2022-03-01 15:55:55,974 INFO L226 Difference]: Without dead ends: 36266 [2022-03-01 15:55:55,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:55:55,975 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 215 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:55,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 878 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:56,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36266 states. [2022-03-01 15:55:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36266 to 34948. [2022-03-01 15:55:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34948 states, 34947 states have (on average 4.498955561278508) internal successors, (157225), 34947 states have internal predecessors, (157225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34948 states to 34948 states and 157225 transitions. [2022-03-01 15:55:56,890 INFO L78 Accepts]: Start accepts. Automaton has 34948 states and 157225 transitions. Word has length 191 [2022-03-01 15:55:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:56,890 INFO L470 AbstractCegarLoop]: Abstraction has 34948 states and 157225 transitions. [2022-03-01 15:55:56,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 34948 states and 157225 transitions. [2022-03-01 15:55:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:57,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:57,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:57,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 15:55:57,192 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:57,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:57,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1496921081, now seen corresponding path program 5 times [2022-03-01 15:55:57,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:57,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289817532] [2022-03-01 15:55:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:57,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:55:57,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:57,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289817532] [2022-03-01 15:55:57,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289817532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:57,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:57,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 15:55:57,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197629666] [2022-03-01 15:55:57,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:57,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 15:55:57,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:57,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 15:55:57,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-01 15:55:57,386 INFO L87 Difference]: Start difference. First operand 34948 states and 157225 transitions. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:57,812 INFO L93 Difference]: Finished difference Result 36929 states and 164979 transitions. [2022-03-01 15:55:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:55:57,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:57,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:57,952 INFO L225 Difference]: With dead ends: 36929 [2022-03-01 15:55:57,952 INFO L226 Difference]: Without dead ends: 36929 [2022-03-01 15:55:57,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:55:57,952 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 240 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:57,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 972 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:55:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36929 states. [2022-03-01 15:55:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36929 to 35025. [2022-03-01 15:55:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35025 states, 35024 states have (on average 4.497116263133851) internal successors, (157507), 35024 states have internal predecessors, (157507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35025 states to 35025 states and 157507 transitions. [2022-03-01 15:55:59,092 INFO L78 Accepts]: Start accepts. Automaton has 35025 states and 157507 transitions. Word has length 191 [2022-03-01 15:55:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:55:59,092 INFO L470 AbstractCegarLoop]: Abstraction has 35025 states and 157507 transitions. [2022-03-01 15:55:59,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 35025 states and 157507 transitions. [2022-03-01 15:55:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:55:59,179 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:55:59,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:55:59,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 15:55:59,179 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:55:59,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:55:59,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1375315421, now seen corresponding path program 6 times [2022-03-01 15:55:59,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:55:59,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378653073] [2022-03-01 15:55:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:55:59,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:55:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:55:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:55:59,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:55:59,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378653073] [2022-03-01 15:55:59,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378653073] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:55:59,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:55:59,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:55:59,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003135964] [2022-03-01 15:55:59,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:55:59,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:55:59,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:55:59,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:55:59,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:59,281 INFO L87 Difference]: Start difference. First operand 35025 states and 157507 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:55:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:55:59,786 INFO L93 Difference]: Finished difference Result 44893 states and 202327 transitions. [2022-03-01 15:55:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:55:59,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:55:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:55:59,992 INFO L225 Difference]: With dead ends: 44893 [2022-03-01 15:55:59,992 INFO L226 Difference]: Without dead ends: 43903 [2022-03-01 15:55:59,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:55:59,993 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 128 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:55:59,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 473 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:56:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43903 states. [2022-03-01 15:56:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43903 to 40155. [2022-03-01 15:56:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40155 states, 40154 states have (on average 4.514817950889077) internal successors, (181288), 40154 states have internal predecessors, (181288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40155 states to 40155 states and 181288 transitions. [2022-03-01 15:56:01,296 INFO L78 Accepts]: Start accepts. Automaton has 40155 states and 181288 transitions. Word has length 191 [2022-03-01 15:56:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:01,296 INFO L470 AbstractCegarLoop]: Abstraction has 40155 states and 181288 transitions. [2022-03-01 15:56:01,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 40155 states and 181288 transitions. [2022-03-01 15:56:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:01,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:01,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:01,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 15:56:01,388 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:01,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:01,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1894821393, now seen corresponding path program 7 times [2022-03-01 15:56:01,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:01,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369150602] [2022-03-01 15:56:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:56:01,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:01,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369150602] [2022-03-01 15:56:01,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369150602] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:01,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:01,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:56:01,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532010494] [2022-03-01 15:56:01,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:01,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:56:01,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:01,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:56:01,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:56:01,476 INFO L87 Difference]: Start difference. First operand 40155 states and 181288 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:02,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:02,149 INFO L93 Difference]: Finished difference Result 55095 states and 248109 transitions. [2022-03-01 15:56:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:56:02,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:02,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:02,371 INFO L225 Difference]: With dead ends: 55095 [2022-03-01 15:56:02,371 INFO L226 Difference]: Without dead ends: 55095 [2022-03-01 15:56:02,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:56:02,372 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 146 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:02,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 869 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:56:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55095 states. [2022-03-01 15:56:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55095 to 36481. [2022-03-01 15:56:03,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36481 states, 36480 states have (on average 4.511348684210526) internal successors, (164574), 36480 states have internal predecessors, (164574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36481 states to 36481 states and 164574 transitions. [2022-03-01 15:56:03,680 INFO L78 Accepts]: Start accepts. Automaton has 36481 states and 164574 transitions. Word has length 191 [2022-03-01 15:56:03,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:03,680 INFO L470 AbstractCegarLoop]: Abstraction has 36481 states and 164574 transitions. [2022-03-01 15:56:03,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36481 states and 164574 transitions. [2022-03-01 15:56:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:03,771 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:03,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:03,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 15:56:03,771 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:03,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:03,772 INFO L85 PathProgramCache]: Analyzing trace with hash 909527997, now seen corresponding path program 8 times [2022-03-01 15:56:03,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:03,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950075808] [2022-03-01 15:56:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-01 15:56:03,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:03,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950075808] [2022-03-01 15:56:03,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950075808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:03,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:03,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 15:56:03,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391033045] [2022-03-01 15:56:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:03,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 15:56:03,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:03,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 15:56:03,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-01 15:56:03,980 INFO L87 Difference]: Start difference. First operand 36481 states and 164574 transitions. Second operand has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:04,773 INFO L93 Difference]: Finished difference Result 44967 states and 199276 transitions. [2022-03-01 15:56:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 15:56:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:04,960 INFO L225 Difference]: With dead ends: 44967 [2022-03-01 15:56:04,960 INFO L226 Difference]: Without dead ends: 44967 [2022-03-01 15:56:04,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:56:04,961 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 350 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:04,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 1211 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 15:56:05,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44967 states. [2022-03-01 15:56:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44967 to 36940. [2022-03-01 15:56:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36940 states, 36939 states have (on average 4.5037764963859335) internal successors, (166365), 36939 states have internal predecessors, (166365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36940 states to 36940 states and 166365 transitions. [2022-03-01 15:56:06,182 INFO L78 Accepts]: Start accepts. Automaton has 36940 states and 166365 transitions. Word has length 191 [2022-03-01 15:56:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:06,182 INFO L470 AbstractCegarLoop]: Abstraction has 36940 states and 166365 transitions. [2022-03-01 15:56:06,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.22222222222222) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 36940 states and 166365 transitions. [2022-03-01 15:56:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:06,274 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:06,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:06,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-01 15:56:06,274 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:06,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:06,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1968351519, now seen corresponding path program 9 times [2022-03-01 15:56:06,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:06,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814047711] [2022-03-01 15:56:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:56:06,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:06,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814047711] [2022-03-01 15:56:06,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814047711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:06,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:06,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:56:06,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126115352] [2022-03-01 15:56:06,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:06,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:56:06,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:06,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:56:06,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:56:06,467 INFO L87 Difference]: Start difference. First operand 36940 states and 166365 transitions. Second operand has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:07,029 INFO L93 Difference]: Finished difference Result 38308 states and 171746 transitions. [2022-03-01 15:56:07,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:56:07,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:07,182 INFO L225 Difference]: With dead ends: 38308 [2022-03-01 15:56:07,182 INFO L226 Difference]: Without dead ends: 38308 [2022-03-01 15:56:07,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:56:07,183 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 254 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:07,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 809 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:56:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38308 states. [2022-03-01 15:56:07,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38308 to 37138. [2022-03-01 15:56:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37138 states, 37137 states have (on average 4.494951126908474) internal successors, (166929), 37137 states have internal predecessors, (166929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37138 states to 37138 states and 166929 transitions. [2022-03-01 15:56:08,361 INFO L78 Accepts]: Start accepts. Automaton has 37138 states and 166929 transitions. Word has length 191 [2022-03-01 15:56:08,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:08,361 INFO L470 AbstractCegarLoop]: Abstraction has 37138 states and 166929 transitions. [2022-03-01 15:56:08,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 8 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 37138 states and 166929 transitions. [2022-03-01 15:56:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:08,455 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:08,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:08,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-01 15:56:08,455 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:08,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:08,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1789951397, now seen corresponding path program 10 times [2022-03-01 15:56:08,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:08,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987994132] [2022-03-01 15:56:08,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:08,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:56:08,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:08,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987994132] [2022-03-01 15:56:08,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987994132] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:08,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:08,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:56:08,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834722381] [2022-03-01 15:56:08,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:08,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:56:08,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:08,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:56:08,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:56:08,560 INFO L87 Difference]: Start difference. First operand 37138 states and 166929 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:09,189 INFO L93 Difference]: Finished difference Result 56803 states and 250861 transitions. [2022-03-01 15:56:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:56:09,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:09,444 INFO L225 Difference]: With dead ends: 56803 [2022-03-01 15:56:09,444 INFO L226 Difference]: Without dead ends: 55711 [2022-03-01 15:56:09,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:56:09,444 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 155 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:09,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 639 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:56:09,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55711 states. [2022-03-01 15:56:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55711 to 40360. [2022-03-01 15:56:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40360 states, 40359 states have (on average 4.464406947644887) internal successors, (180179), 40359 states have internal predecessors, (180179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40360 states to 40360 states and 180179 transitions. [2022-03-01 15:56:10,843 INFO L78 Accepts]: Start accepts. Automaton has 40360 states and 180179 transitions. Word has length 191 [2022-03-01 15:56:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:10,844 INFO L470 AbstractCegarLoop]: Abstraction has 40360 states and 180179 transitions. [2022-03-01 15:56:10,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 40360 states and 180179 transitions. [2022-03-01 15:56:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:10,947 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:10,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:10,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-01 15:56:10,947 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash -96898587, now seen corresponding path program 11 times [2022-03-01 15:56:10,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:10,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983909931] [2022-03-01 15:56:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:10,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:56:11,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:11,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983909931] [2022-03-01 15:56:11,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983909931] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:11,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:11,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:56:11,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035262460] [2022-03-01 15:56:11,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:11,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:56:11,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:11,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:56:11,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:56:11,042 INFO L87 Difference]: Start difference. First operand 40360 states and 180179 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:12,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:12,035 INFO L93 Difference]: Finished difference Result 64945 states and 285594 transitions. [2022-03-01 15:56:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 15:56:12,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:12,565 INFO L225 Difference]: With dead ends: 64945 [2022-03-01 15:56:12,565 INFO L226 Difference]: Without dead ends: 64945 [2022-03-01 15:56:12,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-01 15:56:12,566 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 193 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:12,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 531 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 15:56:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64945 states. [2022-03-01 15:56:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64945 to 34387. [2022-03-01 15:56:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34387 states, 34386 states have (on average 4.401180713080905) internal successors, (151339), 34386 states have internal predecessors, (151339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34387 states to 34387 states and 151339 transitions. [2022-03-01 15:56:13,839 INFO L78 Accepts]: Start accepts. Automaton has 34387 states and 151339 transitions. Word has length 191 [2022-03-01 15:56:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:13,840 INFO L470 AbstractCegarLoop]: Abstraction has 34387 states and 151339 transitions. [2022-03-01 15:56:13,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 34387 states and 151339 transitions. [2022-03-01 15:56:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-01 15:56:14,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:14,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:14,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-01 15:56:14,176 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1467285865, now seen corresponding path program 12 times [2022-03-01 15:56:14,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:14,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498295400] [2022-03-01 15:56:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:14,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-01 15:56:14,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:14,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498295400] [2022-03-01 15:56:14,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498295400] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:56:14,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:56:14,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:56:14,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531302062] [2022-03-01 15:56:14,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:56:14,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:56:14,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:56:14,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:56:14,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:56:14,254 INFO L87 Difference]: Start difference. First operand 34387 states and 151339 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:56:14,568 INFO L93 Difference]: Finished difference Result 34018 states and 145834 transitions. [2022-03-01 15:56:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:56:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-03-01 15:56:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:56:14,684 INFO L225 Difference]: With dead ends: 34018 [2022-03-01 15:56:14,684 INFO L226 Difference]: Without dead ends: 31834 [2022-03-01 15:56:14,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:56:14,685 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 138 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:56:14,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 630 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:56:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31834 states. [2022-03-01 15:56:15,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31834 to 26363. [2022-03-01 15:56:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26363 states, 26362 states have (on average 4.399552386010166) internal successors, (115981), 26362 states have internal predecessors, (115981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26363 states to 26363 states and 115981 transitions. [2022-03-01 15:56:15,778 INFO L78 Accepts]: Start accepts. Automaton has 26363 states and 115981 transitions. Word has length 191 [2022-03-01 15:56:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:56:15,778 INFO L470 AbstractCegarLoop]: Abstraction has 26363 states and 115981 transitions. [2022-03-01 15:56:15,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:56:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 26363 states and 115981 transitions. [2022-03-01 15:56:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-03-01 15:56:15,847 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:56:15,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:56:15,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-01 15:56:15,847 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 15:56:15,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:56:15,848 INFO L85 PathProgramCache]: Analyzing trace with hash -299265932, now seen corresponding path program 1 times [2022-03-01 15:56:15,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:56:15,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021456285] [2022-03-01 15:56:15,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:15,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:56:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:56:19,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:56:19,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021456285] [2022-03-01 15:56:19,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021456285] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:56:19,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663797984] [2022-03-01 15:56:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:56:19,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:56:19,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:56:19,426 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:56:19,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-01 15:56:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:56:19,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 114 conjunts are in the unsatisfiable core [2022-03-01 15:56:19,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:56:19,640 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-01 15:56:19,699 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-01 15:56:19,700 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-01 15:56:19,775 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-03-01 15:56:19,776 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-03-01 15:56:20,911 INFO L353 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2022-03-01 15:56:20,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 25 [2022-03-01 15:56:23,168 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-01 15:56:24,157 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-01 15:56:24,766 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-01 15:56:25,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:56:25,498 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-01 15:56:25,498 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 33 [2022-03-01 15:56:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 15:56:25,892 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-01 15:56:25,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 33 [2022-03-01 15:56:26,771 INFO L353 Elim1Store]: treesize reduction 31, result has 41.5 percent of original size [2022-03-01 15:56:26,771 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 34 [2022-03-01 15:56:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:56:26,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:56:29,480 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:29,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 90 [2022-03-01 15:56:29,531 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:29,532 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58072 treesize of output 56084 [2022-03-01 15:56:29,690 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:29,690 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55798 treesize of output 43526 [2022-03-01 15:56:29,908 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:29,909 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43510 treesize of output 37382 [2022-03-01 15:56:30,066 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:30,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37544 treesize of output 34496 [2022-03-01 15:56:30,249 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:56:30,250 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34448 treesize of output 32972