./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa270183f30c4108ea2b2e80e3a005f959ee3ae47a4a31957eaa79c7226d5c4e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 18:25:51,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 18:25:51,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 18:25:51,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 18:25:51,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 18:25:51,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 18:25:51,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 18:25:51,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 18:25:51,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 18:25:51,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 18:25:51,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 18:25:51,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 18:25:51,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 18:25:51,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 18:25:51,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 18:25:51,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 18:25:51,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 18:25:51,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 18:25:51,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 18:25:51,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 18:25:51,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 18:25:51,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 18:25:51,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 18:25:51,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 18:25:51,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 18:25:51,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 18:25:51,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 18:25:51,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 18:25:51,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 18:25:51,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 18:25:51,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 18:25:51,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 18:25:51,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 18:25:51,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 18:25:51,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 18:25:51,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 18:25:51,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 18:25:51,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 18:25:51,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 18:25:51,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 18:25:51,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 18:25:51,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 18:25:51,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 18:25:51,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 18:25:51,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 18:25:51,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 18:25:51,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 18:25:51,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 18:25:51,459 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 18:25:51,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 18:25:51,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 18:25:51,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 18:25:51,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 18:25:51,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 18:25:51,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 18:25:51,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 18:25:51,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 18:25:51,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 18:25:51,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 18:25:51,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 18:25:51,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 18:25:51,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:25:51,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 18:25:51,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 18:25:51,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 18:25:51,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 18:25:51,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 18:25:51,464 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 18:25:51,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 18:25:51,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 18:25:51,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 18:25:51,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa270183f30c4108ea2b2e80e3a005f959ee3ae47a4a31957eaa79c7226d5c4e [2021-11-05 18:25:51,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 18:25:51,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 18:25:51,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 18:25:51,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 18:25:51,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 18:25:51,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2021-11-05 18:25:51,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5605210/2f0b90cbc89c4659aa864c042d15ce3a/FLAGf8659c1fb [2021-11-05 18:25:52,574 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 18:25:52,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2021-11-05 18:25:52,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5605210/2f0b90cbc89c4659aa864c042d15ce3a/FLAGf8659c1fb [2021-11-05 18:25:52,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5605210/2f0b90cbc89c4659aa864c042d15ce3a [2021-11-05 18:25:52,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 18:25:52,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 18:25:52,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 18:25:52,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 18:25:52,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 18:25:52,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:25:52" (1/1) ... [2021-11-05 18:25:52,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d667c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:52, skipping insertion in model container [2021-11-05 18:25:52,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:25:52" (1/1) ... [2021-11-05 18:25:52,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 18:25:53,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 18:25:54,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i[277190,277203] [2021-11-05 18:25:54,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:25:54,385 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 18:25:54,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i[277190,277203] [2021-11-05 18:25:54,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:25:54,762 INFO L208 MainTranslator]: Completed translation [2021-11-05 18:25:54,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54 WrapperNode [2021-11-05 18:25:54,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 18:25:54,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 18:25:54,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 18:25:54,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 18:25:54,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:54,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 18:25:55,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 18:25:55,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 18:25:55,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 18:25:55,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 18:25:55,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 18:25:55,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 18:25:55,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 18:25:55,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (1/1) ... [2021-11-05 18:25:55,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:25:55,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:25:55,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 18:25:55,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 18:25:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 18:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 18:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 18:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-05 18:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 18:25:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 18:25:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 18:25:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 18:25:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 18:25:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 18:26:16,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 18:26:16,343 INFO L299 CfgBuilder]: Removed 2320 assume(true) statements. [2021-11-05 18:26:16,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:26:16 BoogieIcfgContainer [2021-11-05 18:26:16,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 18:26:16,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 18:26:16,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 18:26:16,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 18:26:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:25:52" (1/3) ... [2021-11-05 18:26:16,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781ec5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:26:16, skipping insertion in model container [2021-11-05 18:26:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:25:54" (2/3) ... [2021-11-05 18:26:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781ec5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:26:16, skipping insertion in model container [2021-11-05 18:26:16,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:26:16" (3/3) ... [2021-11-05 18:26:16,353 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2021-11-05 18:26:16,357 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 18:26:16,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 183 error locations. [2021-11-05 18:26:16,404 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 18:26:16,409 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 18:26:16,409 INFO L340 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2021-11-05 18:26:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 2726 states, 2542 states have (on average 1.465381589299764) internal successors, (3725), 2725 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 18:26:16,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:16,467 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] [2021-11-05 18:26:16,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:16,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:16,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1382866813, now seen corresponding path program 1 times [2021-11-05 18:26:16,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:16,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132119509] [2021-11-05 18:26:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:16,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:17,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:17,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132119509] [2021-11-05 18:26:17,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132119509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:17,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:17,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:17,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344992842] [2021-11-05 18:26:17,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:17,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 18:26:17,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:17,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 18:26:17,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:26:17,078 INFO L87 Difference]: Start difference. First operand has 2726 states, 2542 states have (on average 1.465381589299764) internal successors, (3725), 2725 states have internal predecessors, (3725), 0 states have call successors, (0), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:17,199 INFO L93 Difference]: Finished difference Result 5448 states and 7445 transitions. [2021-11-05 18:26:17,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 18:26:17,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-11-05 18:26:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:17,228 INFO L225 Difference]: With dead ends: 5448 [2021-11-05 18:26:17,228 INFO L226 Difference]: Without dead ends: 2716 [2021-11-05 18:26:17,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:26:17,245 INFO L933 BasicCegarLoop]: 3514 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3514 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:17,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 9.60ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 18:26:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-05 18:26:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2716. [2021-11-05 18:26:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2533 states have (on average 1.380971180418476) internal successors, (3498), 2715 states have internal predecessors, (3498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3498 transitions. [2021-11-05 18:26:17,384 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3498 transitions. Word has length 47 [2021-11-05 18:26:17,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:17,385 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 3498 transitions. [2021-11-05 18:26:17,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3498 transitions. [2021-11-05 18:26:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 18:26:17,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:17,389 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] [2021-11-05 18:26:17,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 18:26:17,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:17,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1138174919, now seen corresponding path program 1 times [2021-11-05 18:26:17,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:17,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417676917] [2021-11-05 18:26:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:17,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:17,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:17,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417676917] [2021-11-05 18:26:17,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417676917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:17,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:17,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:17,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952308334] [2021-11-05 18:26:17,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:17,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:17,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:17,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:17,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:17,680 INFO L87 Difference]: Start difference. First operand 2716 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:19,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:26:20,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:20,032 INFO L93 Difference]: Finished difference Result 8045 states and 10385 transitions. [2021-11-05 18:26:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:20,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-11-05 18:26:20,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:20,052 INFO L225 Difference]: With dead ends: 8045 [2021-11-05 18:26:20,052 INFO L226 Difference]: Without dead ends: 5365 [2021-11-05 18:26:20,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.53ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:20,060 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 3427 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2088.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 6973 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.49ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2212.97ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:20,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3427 Valid, 6973 Invalid, 15 Unknown, 0 Unchecked, 14.49ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2212.97ms Time] [2021-11-05 18:26:20,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5365 states. [2021-11-05 18:26:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5365 to 5009. [2021-11-05 18:26:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5009 states, 4826 states have (on average 1.3976377952755905) internal successors, (6745), 5008 states have internal predecessors, (6745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 5009 states and 6745 transitions. [2021-11-05 18:26:20,195 INFO L78 Accepts]: Start accepts. Automaton has 5009 states and 6745 transitions. Word has length 47 [2021-11-05 18:26:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:20,197 INFO L470 AbstractCegarLoop]: Abstraction has 5009 states and 6745 transitions. [2021-11-05 18:26:20,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 6745 transitions. [2021-11-05 18:26:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-05 18:26:20,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:20,206 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] [2021-11-05 18:26:20,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 18:26:20,207 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:20,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:20,208 INFO L85 PathProgramCache]: Analyzing trace with hash -747158521, now seen corresponding path program 1 times [2021-11-05 18:26:20,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:20,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697727132] [2021-11-05 18:26:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:20,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:20,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:20,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697727132] [2021-11-05 18:26:20,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697727132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:20,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:20,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:20,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274260381] [2021-11-05 18:26:20,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:20,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:20,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:20,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:20,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:20,454 INFO L87 Difference]: Start difference. First operand 5009 states and 6745 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:20,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:20,807 INFO L93 Difference]: Finished difference Result 14737 states and 19858 transitions. [2021-11-05 18:26:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-11-05 18:26:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:20,846 INFO L225 Difference]: With dead ends: 14737 [2021-11-05 18:26:20,846 INFO L226 Difference]: Without dead ends: 9764 [2021-11-05 18:26:20,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:20,861 INFO L933 BasicCegarLoop]: 3502 mSDtfsCounter, 3333 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 6952 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.19ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:20,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3333 Valid, 6952 Invalid, 11 Unknown, 0 Unchecked, 11.00ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 91.19ms Time] [2021-11-05 18:26:20,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9764 states. [2021-11-05 18:26:21,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9764 to 9407. [2021-11-05 18:26:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9407 states, 9224 states have (on average 1.4054640069384214) internal successors, (12964), 9406 states have internal predecessors, (12964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9407 states to 9407 states and 12964 transitions. [2021-11-05 18:26:21,115 INFO L78 Accepts]: Start accepts. Automaton has 9407 states and 12964 transitions. Word has length 50 [2021-11-05 18:26:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:21,115 INFO L470 AbstractCegarLoop]: Abstraction has 9407 states and 12964 transitions. [2021-11-05 18:26:21,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 9407 states and 12964 transitions. [2021-11-05 18:26:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 18:26:21,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:21,119 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] [2021-11-05 18:26:21,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 18:26:21,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:21,121 INFO L85 PathProgramCache]: Analyzing trace with hash -704216060, now seen corresponding path program 1 times [2021-11-05 18:26:21,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:21,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628403607] [2021-11-05 18:26:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:21,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:21,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:21,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628403607] [2021-11-05 18:26:21,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628403607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:21,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:21,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:21,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545841466] [2021-11-05 18:26:21,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:21,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:21,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:21,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:21,342 INFO L87 Difference]: Start difference. First operand 9407 states and 12964 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:21,697 INFO L93 Difference]: Finished difference Result 26120 states and 35972 transitions. [2021-11-05 18:26:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-05 18:26:21,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:21,761 INFO L225 Difference]: With dead ends: 26120 [2021-11-05 18:26:21,762 INFO L226 Difference]: Without dead ends: 16749 [2021-11-05 18:26:21,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:21,785 INFO L933 BasicCegarLoop]: 3653 mSDtfsCounter, 2749 mSDsluCounter, 3453 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 7106 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.48ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.01ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:21,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2749 Valid, 7106 Invalid, 8 Unknown, 0 Unchecked, 9.48ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 77.01ms Time] [2021-11-05 18:26:21,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16749 states. [2021-11-05 18:26:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16749 to 16451. [2021-11-05 18:26:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16451 states, 16268 states have (on average 1.4066879763953775) internal successors, (22884), 16450 states have internal predecessors, (22884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22884 transitions. [2021-11-05 18:26:22,377 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22884 transitions. Word has length 52 [2021-11-05 18:26:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:22,377 INFO L470 AbstractCegarLoop]: Abstraction has 16451 states and 22884 transitions. [2021-11-05 18:26:22,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22884 transitions. [2021-11-05 18:26:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 18:26:22,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:22,379 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] [2021-11-05 18:26:22,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 18:26:22,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1269284736, now seen corresponding path program 1 times [2021-11-05 18:26:22,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:22,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426606846] [2021-11-05 18:26:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:22,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:22,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:22,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:22,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426606846] [2021-11-05 18:26:22,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426606846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:22,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:22,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:22,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218840332] [2021-11-05 18:26:22,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:22,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:22,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:22,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:22,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:22,582 INFO L87 Difference]: Start difference. First operand 16451 states and 22884 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:22,994 INFO L93 Difference]: Finished difference Result 35522 states and 49472 transitions. [2021-11-05 18:26:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:22,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-05 18:26:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:23,043 INFO L225 Difference]: With dead ends: 35522 [2021-11-05 18:26:23,043 INFO L226 Difference]: Without dead ends: 19107 [2021-11-05 18:26:23,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:23,075 INFO L933 BasicCegarLoop]: 4407 mSDtfsCounter, 979 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.21ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:23,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 7855 Invalid, 12 Unknown, 0 Unchecked, 8.75ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 92.21ms Time] [2021-11-05 18:26:23,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19107 states. [2021-11-05 18:26:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19107 to 18987. [2021-11-05 18:26:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18987 states, 18804 states have (on average 1.4118272707934483) internal successors, (26548), 18986 states have internal predecessors, (26548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18987 states to 18987 states and 26548 transitions. [2021-11-05 18:26:23,848 INFO L78 Accepts]: Start accepts. Automaton has 18987 states and 26548 transitions. Word has length 54 [2021-11-05 18:26:23,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:23,849 INFO L470 AbstractCegarLoop]: Abstraction has 18987 states and 26548 transitions. [2021-11-05 18:26:23,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18987 states and 26548 transitions. [2021-11-05 18:26:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-05 18:26:23,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:23,851 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] [2021-11-05 18:26:23,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 18:26:23,853 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:23,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:23,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1033615451, now seen corresponding path program 1 times [2021-11-05 18:26:23,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:23,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629128483] [2021-11-05 18:26:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:23,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:24,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:24,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629128483] [2021-11-05 18:26:24,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629128483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:24,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:24,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:24,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731208924] [2021-11-05 18:26:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:24,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:24,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:24,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:24,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:24,137 INFO L87 Difference]: Start difference. First operand 18987 states and 26548 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:24,377 INFO L93 Difference]: Finished difference Result 18987 states and 26548 transitions. [2021-11-05 18:26:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:24,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-11-05 18:26:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:24,424 INFO L225 Difference]: With dead ends: 18987 [2021-11-05 18:26:24,424 INFO L226 Difference]: Without dead ends: 18985 [2021-11-05 18:26:24,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:24,435 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 3442 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.01ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:24,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 3495 Invalid, 1 Unknown, 0 Unchecked, 5.71ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.01ms Time] [2021-11-05 18:26:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18985 states. [2021-11-05 18:26:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18985 to 18985. [2021-11-05 18:26:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18985 states, 18803 states have (on average 1.4117959900015955) internal successors, (26546), 18984 states have internal predecessors, (26546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:24,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18985 states to 18985 states and 26546 transitions. [2021-11-05 18:26:24,937 INFO L78 Accepts]: Start accepts. Automaton has 18985 states and 26546 transitions. Word has length 56 [2021-11-05 18:26:24,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:24,937 INFO L470 AbstractCegarLoop]: Abstraction has 18985 states and 26546 transitions. [2021-11-05 18:26:24,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18985 states and 26546 transitions. [2021-11-05 18:26:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 18:26:24,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:24,939 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] [2021-11-05 18:26:24,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 18:26:24,939 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr179ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:24,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:24,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1977293089, now seen corresponding path program 1 times [2021-11-05 18:26:24,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:24,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285082437] [2021-11-05 18:26:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:24,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:25,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:25,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285082437] [2021-11-05 18:26:25,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285082437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:25,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:25,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:25,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490237179] [2021-11-05 18:26:25,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:25,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:25,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:25,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:25,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:25,193 INFO L87 Difference]: Start difference. First operand 18985 states and 26546 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:25,480 INFO L93 Difference]: Finished difference Result 18985 states and 26546 transitions. [2021-11-05 18:26:25,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:25,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2021-11-05 18:26:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:25,531 INFO L225 Difference]: With dead ends: 18985 [2021-11-05 18:26:25,531 INFO L226 Difference]: Without dead ends: 18983 [2021-11-05 18:26:25,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:25,544 INFO L933 BasicCegarLoop]: 3493 mSDtfsCounter, 3439 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 3493 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.86ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:25,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 3493 Invalid, 1 Unknown, 0 Unchecked, 6.31ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.86ms Time] [2021-11-05 18:26:25,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18983 states. [2021-11-05 18:26:25,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18983 to 18983. [2021-11-05 18:26:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18983 states, 18802 states have (on average 1.411764705882353) internal successors, (26544), 18982 states have internal predecessors, (26544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18983 states to 18983 states and 26544 transitions. [2021-11-05 18:26:26,064 INFO L78 Accepts]: Start accepts. Automaton has 18983 states and 26544 transitions. Word has length 57 [2021-11-05 18:26:26,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:26,065 INFO L470 AbstractCegarLoop]: Abstraction has 18983 states and 26544 transitions. [2021-11-05 18:26:26,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 18983 states and 26544 transitions. [2021-11-05 18:26:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 18:26:26,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:26,066 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] [2021-11-05 18:26:26,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 18:26:26,066 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr180ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:26,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1166528785, now seen corresponding path program 1 times [2021-11-05 18:26:26,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:26,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576412214] [2021-11-05 18:26:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:26,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:26,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:26,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576412214] [2021-11-05 18:26:26,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576412214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:26,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:26,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:26,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208411457] [2021-11-05 18:26:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:26,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:26,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:26,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:26,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:26,282 INFO L87 Difference]: Start difference. First operand 18983 states and 26544 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:26,623 INFO L93 Difference]: Finished difference Result 18983 states and 26544 transitions. [2021-11-05 18:26:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:26,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2021-11-05 18:26:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:26,666 INFO L225 Difference]: With dead ends: 18983 [2021-11-05 18:26:26,666 INFO L226 Difference]: Without dead ends: 18981 [2021-11-05 18:26:26,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:26,673 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 3436 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 3491 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.85ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:26,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3436 Valid, 3491 Invalid, 1 Unknown, 0 Unchecked, 5.88ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.85ms Time] [2021-11-05 18:26:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18981 states. [2021-11-05 18:26:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18981 to 18981. [2021-11-05 18:26:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18981 states, 18801 states have (on average 1.4117334184351895) internal successors, (26542), 18980 states have internal predecessors, (26542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18981 states to 18981 states and 26542 transitions. [2021-11-05 18:26:27,213 INFO L78 Accepts]: Start accepts. Automaton has 18981 states and 26542 transitions. Word has length 58 [2021-11-05 18:26:27,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:27,213 INFO L470 AbstractCegarLoop]: Abstraction has 18981 states and 26542 transitions. [2021-11-05 18:26:27,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18981 states and 26542 transitions. [2021-11-05 18:26:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 18:26:27,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:27,215 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] [2021-11-05 18:26:27,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 18:26:27,215 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr181ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:27,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:27,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1802639127, now seen corresponding path program 1 times [2021-11-05 18:26:27,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:27,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876184409] [2021-11-05 18:26:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:27,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:27,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:27,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876184409] [2021-11-05 18:26:27,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876184409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:27,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:27,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:27,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114259598] [2021-11-05 18:26:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:27,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:27,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:27,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:27,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:27,473 INFO L87 Difference]: Start difference. First operand 18981 states and 26542 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:28,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:28,501 INFO L93 Difference]: Finished difference Result 50930 states and 71525 transitions. [2021-11-05 18:26:28,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:28,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2021-11-05 18:26:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:28,589 INFO L225 Difference]: With dead ends: 50930 [2021-11-05 18:26:28,589 INFO L226 Difference]: Without dead ends: 31985 [2021-11-05 18:26:28,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:28,627 INFO L933 BasicCegarLoop]: 4353 mSDtfsCounter, 2645 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 196.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 7453 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.85ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 226.72ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:28,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 7453 Invalid, 104 Unknown, 0 Unchecked, 15.85ms Time], IncrementalHoareTripleChecker [41 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 226.72ms Time] [2021-11-05 18:26:28,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31985 states. [2021-11-05 18:26:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31985 to 26898. [2021-11-05 18:26:29,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26898 states, 26718 states have (on average 1.4084886593307882) internal successors, (37632), 26897 states have internal predecessors, (37632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26898 states to 26898 states and 37632 transitions. [2021-11-05 18:26:29,355 INFO L78 Accepts]: Start accepts. Automaton has 26898 states and 37632 transitions. Word has length 59 [2021-11-05 18:26:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:29,356 INFO L470 AbstractCegarLoop]: Abstraction has 26898 states and 37632 transitions. [2021-11-05 18:26:29,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 26898 states and 37632 transitions. [2021-11-05 18:26:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 18:26:29,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:29,357 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] [2021-11-05 18:26:29,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 18:26:29,357 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:29,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:29,358 INFO L85 PathProgramCache]: Analyzing trace with hash -47223239, now seen corresponding path program 1 times [2021-11-05 18:26:29,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:29,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449399788] [2021-11-05 18:26:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:29,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:29,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:29,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449399788] [2021-11-05 18:26:29,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449399788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:29,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:29,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:29,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088086579] [2021-11-05 18:26:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:29,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:29,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:29,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:29,575 INFO L87 Difference]: Start difference. First operand 26898 states and 37632 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:31,768 INFO L93 Difference]: Finished difference Result 74392 states and 105539 transitions. [2021-11-05 18:26:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:31,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-05 18:26:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:31,866 INFO L225 Difference]: With dead ends: 74392 [2021-11-05 18:26:31,866 INFO L226 Difference]: Without dead ends: 47523 [2021-11-05 18:26:31,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:31,912 INFO L933 BasicCegarLoop]: 4823 mSDtfsCounter, 3083 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1200.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 7266 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.89ms SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1340.22ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:31,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3083 Valid, 7266 Invalid, 782 Unknown, 0 Unchecked, 14.89ms Time], IncrementalHoareTripleChecker [312 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1340.22ms Time] [2021-11-05 18:26:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47523 states. [2021-11-05 18:26:32,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47523 to 44424. [2021-11-05 18:26:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44424 states, 44246 states have (on average 1.4109976043032137) internal successors, (62431), 44423 states have internal predecessors, (62431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44424 states to 44424 states and 62431 transitions. [2021-11-05 18:26:33,098 INFO L78 Accepts]: Start accepts. Automaton has 44424 states and 62431 transitions. Word has length 60 [2021-11-05 18:26:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:33,098 INFO L470 AbstractCegarLoop]: Abstraction has 44424 states and 62431 transitions. [2021-11-05 18:26:33,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44424 states and 62431 transitions. [2021-11-05 18:26:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 18:26:33,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:33,102 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:33,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 18:26:33,102 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:33,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1013716724, now seen corresponding path program 1 times [2021-11-05 18:26:33,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:33,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724302265] [2021-11-05 18:26:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:33,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:26:33,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:33,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724302265] [2021-11-05 18:26:33,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724302265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:33,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:33,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:33,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831907758] [2021-11-05 18:26:33,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:33,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:33,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:33,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:33,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:33,280 INFO L87 Difference]: Start difference. First operand 44424 states and 62431 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:35,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:26:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:36,686 INFO L93 Difference]: Finished difference Result 89222 states and 125184 transitions. [2021-11-05 18:26:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:36,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 82 [2021-11-05 18:26:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:36,774 INFO L225 Difference]: With dead ends: 89222 [2021-11-05 18:26:36,775 INFO L226 Difference]: Without dead ends: 44834 [2021-11-05 18:26:36,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:36,831 INFO L933 BasicCegarLoop]: 4934 mSDtfsCounter, 3102 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2176.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.67ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2340.40ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:36,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 7615 Invalid, 84 Unknown, 0 Unchecked, 8.67ms Time], IncrementalHoareTripleChecker [30 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2340.40ms Time] [2021-11-05 18:26:36,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44834 states. [2021-11-05 18:26:37,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44834 to 43844. [2021-11-05 18:26:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43844 states, 43668 states have (on average 1.4087203444169645) internal successors, (61516), 43843 states have internal predecessors, (61516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43844 states to 43844 states and 61516 transitions. [2021-11-05 18:26:37,982 INFO L78 Accepts]: Start accepts. Automaton has 43844 states and 61516 transitions. Word has length 82 [2021-11-05 18:26:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:37,982 INFO L470 AbstractCegarLoop]: Abstraction has 43844 states and 61516 transitions. [2021-11-05 18:26:37,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 43844 states and 61516 transitions. [2021-11-05 18:26:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 18:26:37,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:37,986 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:37,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 18:26:37,986 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:37,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash 204370098, now seen corresponding path program 1 times [2021-11-05 18:26:37,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:37,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965116366] [2021-11-05 18:26:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:37,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:26:38,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:38,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965116366] [2021-11-05 18:26:38,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965116366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:38,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:38,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:26:38,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047936127] [2021-11-05 18:26:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:38,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:26:38,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:38,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:26:38,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:26:38,220 INFO L87 Difference]: Start difference. First operand 43844 states and 61516 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:40,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:40,073 INFO L93 Difference]: Finished difference Result 65191 states and 90986 transitions. [2021-11-05 18:26:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:26:40,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 82 [2021-11-05 18:26:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:40,171 INFO L225 Difference]: With dead ends: 65191 [2021-11-05 18:26:40,171 INFO L226 Difference]: Without dead ends: 63976 [2021-11-05 18:26:40,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 79.92ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:26:40,191 INFO L933 BasicCegarLoop]: 5682 mSDtfsCounter, 6669 mSDsluCounter, 10333 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 416.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6669 SdHoareTripleChecker+Valid, 16015 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.12ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 451.62ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:40,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6669 Valid, 16015 Invalid, 185 Unknown, 0 Unchecked, 23.12ms Time], IncrementalHoareTripleChecker [32 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 451.62ms Time] [2021-11-05 18:26:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63976 states. [2021-11-05 18:26:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63976 to 42845. [2021-11-05 18:26:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42845 states, 42678 states have (on average 1.4038614742958901) internal successors, (59914), 42844 states have internal predecessors, (59914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42845 states to 42845 states and 59914 transitions. [2021-11-05 18:26:41,496 INFO L78 Accepts]: Start accepts. Automaton has 42845 states and 59914 transitions. Word has length 82 [2021-11-05 18:26:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:41,496 INFO L470 AbstractCegarLoop]: Abstraction has 42845 states and 59914 transitions. [2021-11-05 18:26:41,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 42845 states and 59914 transitions. [2021-11-05 18:26:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-05 18:26:41,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:41,500 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:41,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 18:26:41,501 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:41,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1823494806, now seen corresponding path program 1 times [2021-11-05 18:26:41,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:41,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722904550] [2021-11-05 18:26:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:41,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:41,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:41,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722904550] [2021-11-05 18:26:41,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722904550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:41,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:41,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:41,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620852303] [2021-11-05 18:26:41,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:41,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:41,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:41,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:41,667 INFO L87 Difference]: Start difference. First operand 42845 states and 59914 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:43,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:26:44,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:44,510 INFO L93 Difference]: Finished difference Result 64720 states and 90347 transitions. [2021-11-05 18:26:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:44,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2021-11-05 18:26:44,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:44,545 INFO L225 Difference]: With dead ends: 64720 [2021-11-05 18:26:44,545 INFO L226 Difference]: Without dead ends: 21907 [2021-11-05 18:26:44,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:44,586 INFO L933 BasicCegarLoop]: 3473 mSDtfsCounter, 9 mSDsluCounter, 3460 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2057.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6933 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.04ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2175.28ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:44,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 6933 Invalid, 6 Unknown, 0 Unchecked, 4.04ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2175.28ms Time] [2021-11-05 18:26:44,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21907 states. [2021-11-05 18:26:45,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21907 to 21776. [2021-11-05 18:26:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21776 states, 21609 states have (on average 1.4028414086723124) internal successors, (30314), 21775 states have internal predecessors, (30314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21776 states to 21776 states and 30314 transitions. [2021-11-05 18:26:45,155 INFO L78 Accepts]: Start accepts. Automaton has 21776 states and 30314 transitions. Word has length 83 [2021-11-05 18:26:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:45,155 INFO L470 AbstractCegarLoop]: Abstraction has 21776 states and 30314 transitions. [2021-11-05 18:26:45,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21776 states and 30314 transitions. [2021-11-05 18:26:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-05 18:26:45,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:45,159 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:45,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 18:26:45,159 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:45,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash -916378102, now seen corresponding path program 1 times [2021-11-05 18:26:45,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:45,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919086343] [2021-11-05 18:26:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:45,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:45,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:45,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919086343] [2021-11-05 18:26:45,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919086343] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 18:26:45,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430198439] [2021-11-05 18:26:45,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:45,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:26:45,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:26:45,391 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) [2021-11-05 18:26:45,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 18:26:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:46,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 18:26:46,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 18:26:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:26:46,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 18:26:46,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430198439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:46,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 18:26:46,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-05 18:26:46,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176770886] [2021-11-05 18:26:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:46,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:46,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:26:46,432 INFO L87 Difference]: Start difference. First operand 21776 states and 30314 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:46,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:46,983 INFO L93 Difference]: Finished difference Result 46261 states and 64426 transitions. [2021-11-05 18:26:46,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:46,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2021-11-05 18:26:46,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:47,019 INFO L225 Difference]: With dead ends: 46261 [2021-11-05 18:26:47,019 INFO L226 Difference]: Without dead ends: 24546 [2021-11-05 18:26:47,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.43ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:26:47,045 INFO L933 BasicCegarLoop]: 3461 mSDtfsCounter, 1966 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 5857 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.07ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.13ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:47,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 5857 Invalid, 17 Unknown, 0 Unchecked, 4.07ms Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 65.13ms Time] [2021-11-05 18:26:47,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24546 states. [2021-11-05 18:26:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24546 to 24360. [2021-11-05 18:26:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24360 states, 24193 states have (on average 1.405447856818088) internal successors, (34002), 24359 states have internal predecessors, (34002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24360 states to 24360 states and 34002 transitions. [2021-11-05 18:26:47,616 INFO L78 Accepts]: Start accepts. Automaton has 24360 states and 34002 transitions. Word has length 88 [2021-11-05 18:26:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:47,616 INFO L470 AbstractCegarLoop]: Abstraction has 24360 states and 34002 transitions. [2021-11-05 18:26:47,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24360 states and 34002 transitions. [2021-11-05 18:26:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-05 18:26:47,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:47,620 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:47,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 18:26:47,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-05 18:26:47,836 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:47,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1483312442, now seen corresponding path program 1 times [2021-11-05 18:26:47,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:47,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067366407] [2021-11-05 18:26:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:26:48,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:48,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067366407] [2021-11-05 18:26:48,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067366407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:48,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:48,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:26:48,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504698609] [2021-11-05 18:26:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:48,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:26:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:48,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:26:48,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:26:48,197 INFO L87 Difference]: Start difference. First operand 24360 states and 34002 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:49,720 INFO L93 Difference]: Finished difference Result 35804 states and 49679 transitions. [2021-11-05 18:26:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:26:49,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 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 90 [2021-11-05 18:26:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:49,759 INFO L225 Difference]: With dead ends: 35804 [2021-11-05 18:26:49,759 INFO L226 Difference]: Without dead ends: 29393 [2021-11-05 18:26:49,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.78ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:26:49,768 INFO L933 BasicCegarLoop]: 5616 mSDtfsCounter, 9963 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 575.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9963 SdHoareTripleChecker+Valid, 12566 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.01ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 613.57ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:49,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9963 Valid, 12566 Invalid, 176 Unknown, 0 Unchecked, 16.01ms Time], IncrementalHoareTripleChecker [32 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 613.57ms Time] [2021-11-05 18:26:49,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29393 states. [2021-11-05 18:26:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29393 to 18147. [2021-11-05 18:26:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18147 states, 17991 states have (on average 1.3922516813962538) internal successors, (25048), 18146 states have internal predecessors, (25048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18147 states to 18147 states and 25048 transitions. [2021-11-05 18:26:50,362 INFO L78 Accepts]: Start accepts. Automaton has 18147 states and 25048 transitions. Word has length 90 [2021-11-05 18:26:50,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:50,362 INFO L470 AbstractCegarLoop]: Abstraction has 18147 states and 25048 transitions. [2021-11-05 18:26:50,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18147 states and 25048 transitions. [2021-11-05 18:26:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-05 18:26:50,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:50,367 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:50,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 18:26:50,367 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash 264739799, now seen corresponding path program 1 times [2021-11-05 18:26:50,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:50,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069632462] [2021-11-05 18:26:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:50,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 18:26:50,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:50,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069632462] [2021-11-05 18:26:50,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069632462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:50,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:50,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:26:50,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635510162] [2021-11-05 18:26:50,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:50,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:50,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:50,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:50,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:50,589 INFO L87 Difference]: Start difference. First operand 18147 states and 25048 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:51,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:51,592 INFO L93 Difference]: Finished difference Result 34969 states and 48254 transitions. [2021-11-05 18:26:51,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:51,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 100 [2021-11-05 18:26:51,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:51,618 INFO L225 Difference]: With dead ends: 34969 [2021-11-05 18:26:51,618 INFO L226 Difference]: Without dead ends: 16883 [2021-11-05 18:26:51,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:51,636 INFO L933 BasicCegarLoop]: 2941 mSDtfsCounter, 3028 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 450.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.96ms SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 513.96ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:51,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3028 Valid, 2941 Invalid, 299 Unknown, 0 Unchecked, 4.96ms Time], IncrementalHoareTripleChecker [149 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 513.96ms Time] [2021-11-05 18:26:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2021-11-05 18:26:52,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16883. [2021-11-05 18:26:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16883 states, 16727 states have (on average 1.326836850600825) internal successors, (22194), 16882 states have internal predecessors, (22194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 22194 transitions. [2021-11-05 18:26:52,156 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 22194 transitions. Word has length 100 [2021-11-05 18:26:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:52,156 INFO L470 AbstractCegarLoop]: Abstraction has 16883 states and 22194 transitions. [2021-11-05 18:26:52,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 22194 transitions. [2021-11-05 18:26:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-05 18:26:52,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:52,164 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:52,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 18:26:52,164 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash -579206121, now seen corresponding path program 1 times [2021-11-05 18:26:52,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:52,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971742194] [2021-11-05 18:26:52,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:52,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 18:26:52,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:52,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971742194] [2021-11-05 18:26:52,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971742194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:52,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:52,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:26:52,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113416604] [2021-11-05 18:26:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:52,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:26:52,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:26:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:26:52,344 INFO L87 Difference]: Start difference. First operand 16883 states and 22194 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:54,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:26:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:55,212 INFO L93 Difference]: Finished difference Result 42301 states and 55579 transitions. [2021-11-05 18:26:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:26:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 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 100 [2021-11-05 18:26:55,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:55,251 INFO L225 Difference]: With dead ends: 42301 [2021-11-05 18:26:55,251 INFO L226 Difference]: Without dead ends: 25479 [2021-11-05 18:26:55,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.07ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:26:55,272 INFO L933 BasicCegarLoop]: 4840 mSDtfsCounter, 2616 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2091.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 11892 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2225.16ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:55,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2616 Valid, 11892 Invalid, 22 Unknown, 0 Unchecked, 7.08ms Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 2225.16ms Time] [2021-11-05 18:26:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25479 states. [2021-11-05 18:26:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25479 to 16899. [2021-11-05 18:26:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16899 states, 16743 states have (on average 1.3265245177088933) internal successors, (22210), 16898 states have internal predecessors, (22210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16899 states to 16899 states and 22210 transitions. [2021-11-05 18:26:55,859 INFO L78 Accepts]: Start accepts. Automaton has 16899 states and 22210 transitions. Word has length 100 [2021-11-05 18:26:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:26:55,859 INFO L470 AbstractCegarLoop]: Abstraction has 16899 states and 22210 transitions. [2021-11-05 18:26:55,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 16899 states and 22210 transitions. [2021-11-05 18:26:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-05 18:26:55,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:26:55,864 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:26:55,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-05 18:26:55,865 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:26:55,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:26:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1637929421, now seen corresponding path program 1 times [2021-11-05 18:26:55,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:26:55,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210946306] [2021-11-05 18:26:55,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:26:55,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:26:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:26:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:26:56,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:26:56,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210946306] [2021-11-05 18:26:56,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210946306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:26:56,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:26:56,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:26:56,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101801880] [2021-11-05 18:26:56,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:26:56,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:26:56,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:26:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:26:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:56,045 INFO L87 Difference]: Start difference. First operand 16899 states and 22210 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:26:58,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:26:59,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:26:59,577 INFO L93 Difference]: Finished difference Result 33737 states and 44346 transitions. [2021-11-05 18:26:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:26:59,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 101 [2021-11-05 18:26:59,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:26:59,597 INFO L225 Difference]: With dead ends: 33737 [2021-11-05 18:26:59,597 INFO L226 Difference]: Without dead ends: 16899 [2021-11-05 18:26:59,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:26:59,609 INFO L933 BasicCegarLoop]: 3812 mSDtfsCounter, 2085 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 182 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2752.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.93ms SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2952.02ms IncrementalHoareTripleChecker+Time [2021-11-05 18:26:59,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 6395 Invalid, 624 Unknown, 0 Unchecked, 6.93ms Time], IncrementalHoareTripleChecker [182 Valid, 441 Invalid, 1 Unknown, 0 Unchecked, 2952.02ms Time] [2021-11-05 18:26:59,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16899 states. [2021-11-05 18:27:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16899 to 16368. [2021-11-05 18:27:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16368 states, 16212 states have (on average 1.2906489020478658) internal successors, (20924), 16367 states have internal predecessors, (20924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16368 states to 16368 states and 20924 transitions. [2021-11-05 18:27:00,048 INFO L78 Accepts]: Start accepts. Automaton has 16368 states and 20924 transitions. Word has length 101 [2021-11-05 18:27:00,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:00,049 INFO L470 AbstractCegarLoop]: Abstraction has 16368 states and 20924 transitions. [2021-11-05 18:27:00,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 16368 states and 20924 transitions. [2021-11-05 18:27:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-05 18:27:00,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:00,053 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:00,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-05 18:27:00,054 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:00,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:00,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2030956431, now seen corresponding path program 1 times [2021-11-05 18:27:00,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:00,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540970389] [2021-11-05 18:27:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:00,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:27:00,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:00,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540970389] [2021-11-05 18:27:00,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540970389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:00,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:27:00,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:27:00,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12076828] [2021-11-05 18:27:00,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:00,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:27:00,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:27:00,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:27:00,303 INFO L87 Difference]: Start difference. First operand 16368 states and 20924 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:02,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:27:08,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:27:08,320 INFO L93 Difference]: Finished difference Result 36008 states and 46141 transitions. [2021-11-05 18:27:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:27:08,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 101 [2021-11-05 18:27:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:27:08,348 INFO L225 Difference]: With dead ends: 36008 [2021-11-05 18:27:08,348 INFO L226 Difference]: Without dead ends: 19701 [2021-11-05 18:27:08,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.06ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:27:08,369 INFO L933 BasicCegarLoop]: 4154 mSDtfsCounter, 4014 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7083.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4014 SdHoareTripleChecker+Valid, 12518 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.63ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7332.33ms IncrementalHoareTripleChecker+Time [2021-11-05 18:27:08,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4014 Valid, 12518 Invalid, 599 Unknown, 0 Unchecked, 11.63ms Time], IncrementalHoareTripleChecker [112 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 7332.33ms Time] [2021-11-05 18:27:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19701 states. [2021-11-05 18:27:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19701 to 15008. [2021-11-05 18:27:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15008 states, 14968 states have (on average 1.2720470336718332) internal successors, (19040), 15007 states have internal predecessors, (19040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15008 states to 15008 states and 19040 transitions. [2021-11-05 18:27:08,974 INFO L78 Accepts]: Start accepts. Automaton has 15008 states and 19040 transitions. Word has length 101 [2021-11-05 18:27:08,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:08,975 INFO L470 AbstractCegarLoop]: Abstraction has 15008 states and 19040 transitions. [2021-11-05 18:27:08,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 15008 states and 19040 transitions. [2021-11-05 18:27:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-05 18:27:08,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:08,980 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:08,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-05 18:27:08,980 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:08,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1118408912, now seen corresponding path program 1 times [2021-11-05 18:27:08,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:08,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127036936] [2021-11-05 18:27:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:08,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:27:09,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:09,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127036936] [2021-11-05 18:27:09,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127036936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:09,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:27:09,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:27:09,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220982406] [2021-11-05 18:27:09,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:09,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:27:09,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:09,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:27:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:27:09,176 INFO L87 Difference]: Start difference. First operand 15008 states and 19040 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:17,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:27:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:27:19,099 INFO L93 Difference]: Finished difference Result 57838 states and 74268 transitions. [2021-11-05 18:27:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:27:19,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 102 [2021-11-05 18:27:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:27:19,169 INFO L225 Difference]: With dead ends: 57838 [2021-11-05 18:27:19,169 INFO L226 Difference]: Without dead ends: 42891 [2021-11-05 18:27:19,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:27:19,198 INFO L933 BasicCegarLoop]: 4957 mSDtfsCounter, 5023 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8000.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 13013 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.98ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8279.64ms IncrementalHoareTripleChecker+Time [2021-11-05 18:27:19,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 13013 Invalid, 490 Unknown, 0 Unchecked, 14.98ms Time], IncrementalHoareTripleChecker [44 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 8279.64ms Time] [2021-11-05 18:27:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42891 states. [2021-11-05 18:27:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42891 to 15200. [2021-11-05 18:27:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15200 states, 15160 states have (on average 1.2686015831134565) internal successors, (19232), 15199 states have internal predecessors, (19232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15200 states to 15200 states and 19232 transitions. [2021-11-05 18:27:20,145 INFO L78 Accepts]: Start accepts. Automaton has 15200 states and 19232 transitions. Word has length 102 [2021-11-05 18:27:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:20,145 INFO L470 AbstractCegarLoop]: Abstraction has 15200 states and 19232 transitions. [2021-11-05 18:27:20,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 15200 states and 19232 transitions. [2021-11-05 18:27:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-05 18:27:20,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:20,151 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:20,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-05 18:27:20,151 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:20,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash 527543714, now seen corresponding path program 1 times [2021-11-05 18:27:20,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:20,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964860694] [2021-11-05 18:27:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:20,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 18:27:20,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:20,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964860694] [2021-11-05 18:27:20,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964860694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:20,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:27:20,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:27:20,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652254501] [2021-11-05 18:27:20,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:20,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:27:20,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:27:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:27:20,652 INFO L87 Difference]: Start difference. First operand 15200 states and 19232 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:27:21,510 INFO L93 Difference]: Finished difference Result 30375 states and 38441 transitions. [2021-11-05 18:27:21,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:27:21,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 110 [2021-11-05 18:27:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:27:21,531 INFO L225 Difference]: With dead ends: 30375 [2021-11-05 18:27:21,531 INFO L226 Difference]: Without dead ends: 15203 [2021-11-05 18:27:21,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:27:21,547 INFO L933 BasicCegarLoop]: 2856 mSDtfsCounter, 0 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5700 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.98ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.98ms IncrementalHoareTripleChecker+Time [2021-11-05 18:27:21,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5700 Invalid, 19 Unknown, 0 Unchecked, 4.98ms Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 60.98ms Time] [2021-11-05 18:27:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15203 states. [2021-11-05 18:27:22,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15203 to 15203. [2021-11-05 18:27:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15203 states, 15163 states have (on average 1.268548440282266) internal successors, (19235), 15202 states have internal predecessors, (19235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 19235 transitions. [2021-11-05 18:27:22,169 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 19235 transitions. Word has length 110 [2021-11-05 18:27:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:22,169 INFO L470 AbstractCegarLoop]: Abstraction has 15203 states and 19235 transitions. [2021-11-05 18:27:22,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 19235 transitions. [2021-11-05 18:27:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-05 18:27:22,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:22,174 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:22,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-05 18:27:22,175 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:22,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1882808872, now seen corresponding path program 1 times [2021-11-05 18:27:22,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:22,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703992906] [2021-11-05 18:27:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:22,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:27:22,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:22,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703992906] [2021-11-05 18:27:22,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703992906] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 18:27:22,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925721839] [2021-11-05 18:27:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:22,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:27:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:27:22,630 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) [2021-11-05 18:27:22,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 18:27:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:23,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 3132 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 18:27:23,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 18:27:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 18:27:23,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 18:27:23,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925721839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:23,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 18:27:23,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-05 18:27:23,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951636309] [2021-11-05 18:27:23,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:23,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:27:23,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:23,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:27:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:27:23,824 INFO L87 Difference]: Start difference. First operand 15203 states and 19235 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:37,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:27:47,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:27:47,182 INFO L93 Difference]: Finished difference Result 51650 states and 66816 transitions. [2021-11-05 18:27:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 18:27:47,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-11-05 18:27:47,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:27:47,274 INFO L225 Difference]: With dead ends: 51650 [2021-11-05 18:27:47,274 INFO L226 Difference]: Without dead ends: 51596 [2021-11-05 18:27:47,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 154.20ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-05 18:27:47,297 INFO L933 BasicCegarLoop]: 6485 mSDtfsCounter, 7130 mSDsluCounter, 13279 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20528.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7130 SdHoareTripleChecker+Valid, 19764 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.45ms SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21216.29ms IncrementalHoareTripleChecker+Time [2021-11-05 18:27:47,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7130 Valid, 19764 Invalid, 1122 Unknown, 0 Unchecked, 24.45ms Time], IncrementalHoareTripleChecker [205 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 21216.29ms Time] [2021-11-05 18:27:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51596 states. [2021-11-05 18:27:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51596 to 15203. [2021-11-05 18:27:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15203 states, 15163 states have (on average 1.268548440282266) internal successors, (19235), 15202 states have internal predecessors, (19235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 19235 transitions. [2021-11-05 18:27:48,091 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 19235 transitions. Word has length 113 [2021-11-05 18:27:48,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:48,091 INFO L470 AbstractCegarLoop]: Abstraction has 15203 states and 19235 transitions. [2021-11-05 18:27:48,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 19235 transitions. [2021-11-05 18:27:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-05 18:27:48,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:48,097 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:48,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-05 18:27:48,324 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,SelfDestructingSolverStorable21 [2021-11-05 18:27:48,324 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1569028409, now seen corresponding path program 1 times [2021-11-05 18:27:48,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:48,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232238108] [2021-11-05 18:27:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:48,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 18:27:48,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:48,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232238108] [2021-11-05 18:27:48,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232238108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:48,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:27:48,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:27:48,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920863188] [2021-11-05 18:27:48,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:48,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:27:48,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:48,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:27:48,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:27:48,586 INFO L87 Difference]: Start difference. First operand 15203 states and 19235 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:27:56,617 INFO L93 Difference]: Finished difference Result 34885 states and 44309 transitions. [2021-11-05 18:27:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:27:56,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 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 114 [2021-11-05 18:27:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:27:56,653 INFO L225 Difference]: With dead ends: 34885 [2021-11-05 18:27:56,653 INFO L226 Difference]: Without dead ends: 19746 [2021-11-05 18:27:56,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.26ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:27:56,676 INFO L933 BasicCegarLoop]: 4047 mSDtfsCounter, 7486 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6817.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7486 SdHoareTripleChecker+Valid, 8640 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.52ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7060.16ms IncrementalHoareTripleChecker+Time [2021-11-05 18:27:56,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7486 Valid, 8640 Invalid, 570 Unknown, 0 Unchecked, 11.52ms Time], IncrementalHoareTripleChecker [112 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 7060.16ms Time] [2021-11-05 18:27:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19746 states. [2021-11-05 18:27:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19746 to 15107. [2021-11-05 18:27:57,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15107 states, 15067 states have (on average 1.261764120262826) internal successors, (19011), 15106 states have internal predecessors, (19011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15107 states to 15107 states and 19011 transitions. [2021-11-05 18:27:57,436 INFO L78 Accepts]: Start accepts. Automaton has 15107 states and 19011 transitions. Word has length 114 [2021-11-05 18:27:57,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:27:57,436 INFO L470 AbstractCegarLoop]: Abstraction has 15107 states and 19011 transitions. [2021-11-05 18:27:57,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:27:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 15107 states and 19011 transitions. [2021-11-05 18:27:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-05 18:27:57,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:27:57,442 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:27:57,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-05 18:27:57,442 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:27:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:27:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2087722889, now seen corresponding path program 1 times [2021-11-05 18:27:57,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:27:57,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422550375] [2021-11-05 18:27:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:57,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:27:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 18:27:57,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:27:57,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422550375] [2021-11-05 18:27:57,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422550375] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 18:27:57,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566615609] [2021-11-05 18:27:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:27:57,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:27:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:27:57,652 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) [2021-11-05 18:27:57,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 18:27:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:27:58,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 18:27:58,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 18:27:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 18:27:58,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 18:27:58,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566615609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:27:58,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 18:27:58,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-05 18:27:58,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030914991] [2021-11-05 18:27:58,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:27:58,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:27:58,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:27:58,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:27:58,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:27:58,669 INFO L87 Difference]: Start difference. First operand 15107 states and 19011 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:07,582 INFO L93 Difference]: Finished difference Result 37047 states and 47248 transitions. [2021-11-05 18:28:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:28:07,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-05 18:28:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:07,609 INFO L225 Difference]: With dead ends: 37047 [2021-11-05 18:28:07,609 INFO L226 Difference]: Without dead ends: 22004 [2021-11-05 18:28:07,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.08ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:28:07,628 INFO L933 BasicCegarLoop]: 3781 mSDtfsCounter, 1808 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7652.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 5677 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.26ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7829.01ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:07,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 5677 Invalid, 97 Unknown, 0 Unchecked, 5.26ms Time], IncrementalHoareTripleChecker [22 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 7829.01ms Time] [2021-11-05 18:28:07,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22004 states. [2021-11-05 18:28:08,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22004 to 14717. [2021-11-05 18:28:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14717 states, 14686 states have (on average 1.2599754868582322) internal successors, (18504), 14716 states have internal predecessors, (18504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14717 states to 14717 states and 18504 transitions. [2021-11-05 18:28:08,335 INFO L78 Accepts]: Start accepts. Automaton has 14717 states and 18504 transitions. Word has length 116 [2021-11-05 18:28:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:08,335 INFO L470 AbstractCegarLoop]: Abstraction has 14717 states and 18504 transitions. [2021-11-05 18:28:08,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 14717 states and 18504 transitions. [2021-11-05 18:28:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-05 18:28:08,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:08,343 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:08,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-05 18:28:08,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:28:08,543 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:08,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1527276183, now seen corresponding path program 1 times [2021-11-05 18:28:08,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:08,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166021911] [2021-11-05 18:28:08,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:08,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 18:28:08,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:08,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166021911] [2021-11-05 18:28:08,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166021911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:08,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:08,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:28:08,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65117004] [2021-11-05 18:28:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:08,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:28:08,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:28:08,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:28:08,745 INFO L87 Difference]: Start difference. First operand 14717 states and 18504 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:16,320 INFO L93 Difference]: Finished difference Result 21858 states and 27951 transitions. [2021-11-05 18:28:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 18:28:16,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-11-05 18:28:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:16,347 INFO L225 Difference]: With dead ends: 21858 [2021-11-05 18:28:16,347 INFO L226 Difference]: Without dead ends: 18858 [2021-11-05 18:28:16,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:28:16,358 INFO L933 BasicCegarLoop]: 3930 mSDtfsCounter, 1547 mSDsluCounter, 6076 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6441.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 10006 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.41ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6655.09ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:16,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 10006 Invalid, 357 Unknown, 0 Unchecked, 8.41ms Time], IncrementalHoareTripleChecker [44 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 6655.09ms Time] [2021-11-05 18:28:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18858 states. [2021-11-05 18:28:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18858 to 14717. [2021-11-05 18:28:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14717 states, 14686 states have (on average 1.2567070679558763) internal successors, (18456), 14716 states have internal predecessors, (18456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14717 states to 14717 states and 18456 transitions. [2021-11-05 18:28:17,069 INFO L78 Accepts]: Start accepts. Automaton has 14717 states and 18456 transitions. Word has length 122 [2021-11-05 18:28:17,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:17,070 INFO L470 AbstractCegarLoop]: Abstraction has 14717 states and 18456 transitions. [2021-11-05 18:28:17,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14717 states and 18456 transitions. [2021-11-05 18:28:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-05 18:28:17,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:17,080 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:17,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-05 18:28:17,080 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:17,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:17,080 INFO L85 PathProgramCache]: Analyzing trace with hash -245535730, now seen corresponding path program 1 times [2021-11-05 18:28:17,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:17,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998505761] [2021-11-05 18:28:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:17,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:17,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:17,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998505761] [2021-11-05 18:28:17,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998505761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:17,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:17,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:28:17,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232976712] [2021-11-05 18:28:17,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:17,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:28:17,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:17,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:28:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:28:17,275 INFO L87 Difference]: Start difference. First operand 14717 states and 18456 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:18,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:18,714 INFO L93 Difference]: Finished difference Result 43927 states and 55094 transitions. [2021-11-05 18:28:18,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:28:18,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 128 [2021-11-05 18:28:18,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:18,757 INFO L225 Difference]: With dead ends: 43927 [2021-11-05 18:28:18,758 INFO L226 Difference]: Without dead ends: 29274 [2021-11-05 18:28:18,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:28:18,780 INFO L933 BasicCegarLoop]: 5509 mSDtfsCounter, 2736 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 8297 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.91ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:18,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2736 Valid, 8297 Invalid, 7 Unknown, 0 Unchecked, 6.70ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 22.91ms Time] [2021-11-05 18:28:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29274 states. [2021-11-05 18:28:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29274 to 14725. [2021-11-05 18:28:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14725 states, 14694 states have (on average 1.2565673063835578) internal successors, (18464), 14724 states have internal predecessors, (18464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14725 states to 14725 states and 18464 transitions. [2021-11-05 18:28:19,684 INFO L78 Accepts]: Start accepts. Automaton has 14725 states and 18464 transitions. Word has length 128 [2021-11-05 18:28:19,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:19,684 INFO L470 AbstractCegarLoop]: Abstraction has 14725 states and 18464 transitions. [2021-11-05 18:28:19,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 14725 states and 18464 transitions. [2021-11-05 18:28:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-05 18:28:19,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:19,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:19,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-05 18:28:19,694 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash -908942012, now seen corresponding path program 1 times [2021-11-05 18:28:19,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:19,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830126140] [2021-11-05 18:28:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:19,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:19,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:19,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830126140] [2021-11-05 18:28:19,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830126140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:19,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:19,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:28:19,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239609292] [2021-11-05 18:28:19,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:19,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:28:19,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:19,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:28:19,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:28:19,904 INFO L87 Difference]: Start difference. First operand 14725 states and 18464 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:22,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:28:24,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:24,301 INFO L93 Difference]: Finished difference Result 62398 states and 78413 transitions. [2021-11-05 18:28:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:28:24,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 129 [2021-11-05 18:28:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:24,372 INFO L225 Difference]: With dead ends: 62398 [2021-11-05 18:28:24,373 INFO L226 Difference]: Without dead ends: 47737 [2021-11-05 18:28:24,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:28:24,402 INFO L933 BasicCegarLoop]: 4825 mSDtfsCounter, 7809 mSDsluCounter, 9495 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2101.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7809 SdHoareTripleChecker+Valid, 14320 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.58ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2117.38ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:24,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7809 Valid, 14320 Invalid, 31 Unknown, 0 Unchecked, 12.58ms Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2117.38ms Time] [2021-11-05 18:28:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47737 states. [2021-11-05 18:28:25,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47737 to 14741. [2021-11-05 18:28:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14741 states, 14710 states have (on average 1.256288239292998) internal successors, (18480), 14740 states have internal predecessors, (18480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14741 states to 14741 states and 18480 transitions. [2021-11-05 18:28:25,432 INFO L78 Accepts]: Start accepts. Automaton has 14741 states and 18480 transitions. Word has length 129 [2021-11-05 18:28:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:25,433 INFO L470 AbstractCegarLoop]: Abstraction has 14741 states and 18480 transitions. [2021-11-05 18:28:25,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14741 states and 18480 transitions. [2021-11-05 18:28:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-05 18:28:25,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:25,443 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:25,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-05 18:28:25,444 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:25,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash 892356872, now seen corresponding path program 1 times [2021-11-05 18:28:25,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:25,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389614884] [2021-11-05 18:28:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:25,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:25,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:25,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389614884] [2021-11-05 18:28:25,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389614884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:25,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:25,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:28:25,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310457737] [2021-11-05 18:28:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:25,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:28:25,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:28:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:28:25,637 INFO L87 Difference]: Start difference. First operand 14741 states and 18480 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:27,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:28:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:29,202 INFO L93 Difference]: Finished difference Result 36939 states and 46313 transitions. [2021-11-05 18:28:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:28:29,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-11-05 18:28:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:29,227 INFO L225 Difference]: With dead ends: 36939 [2021-11-05 18:28:29,227 INFO L226 Difference]: Without dead ends: 22262 [2021-11-05 18:28:29,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:28:29,241 INFO L933 BasicCegarLoop]: 4374 mSDtfsCounter, 2364 mSDsluCounter, 6372 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2124.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 10746 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.12ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2279.36ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:29,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2364 Valid, 10746 Invalid, 21 Unknown, 0 Unchecked, 7.12ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2279.36ms Time] [2021-11-05 18:28:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22262 states. [2021-11-05 18:28:30,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22262 to 14741. [2021-11-05 18:28:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14741 states, 14710 states have (on average 1.256288239292998) internal successors, (18480), 14740 states have internal predecessors, (18480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14741 states to 14741 states and 18480 transitions. [2021-11-05 18:28:30,067 INFO L78 Accepts]: Start accepts. Automaton has 14741 states and 18480 transitions. Word has length 131 [2021-11-05 18:28:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:30,067 INFO L470 AbstractCegarLoop]: Abstraction has 14741 states and 18480 transitions. [2021-11-05 18:28:30,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14741 states and 18480 transitions. [2021-11-05 18:28:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-05 18:28:30,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:30,073 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:30,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-05 18:28:30,073 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:30,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1636413751, now seen corresponding path program 1 times [2021-11-05 18:28:30,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:30,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901375525] [2021-11-05 18:28:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:30,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:30,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:30,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901375525] [2021-11-05 18:28:30,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901375525] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 18:28:30,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652501955] [2021-11-05 18:28:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:30,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:28:30,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:28:30,270 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) [2021-11-05 18:28:30,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 18:28:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:31,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 3598 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 18:28:31,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 18:28:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:31,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 18:28:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 18:28:31,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652501955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 18:28:31,588 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 18:28:31,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-05 18:28:31,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135045763] [2021-11-05 18:28:31,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 18:28:31,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 18:28:31,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:31,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 18:28:31,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:28:31,590 INFO L87 Difference]: Start difference. First operand 14741 states and 18480 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:35,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:35,020 INFO L93 Difference]: Finished difference Result 74426 states and 93443 transitions. [2021-11-05 18:28:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 18:28:35,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 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 134 [2021-11-05 18:28:35,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:35,108 INFO L225 Difference]: With dead ends: 74426 [2021-11-05 18:28:35,108 INFO L226 Difference]: Without dead ends: 59749 [2021-11-05 18:28:35,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 50.50ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:28:35,132 INFO L933 BasicCegarLoop]: 4776 mSDtfsCounter, 12008 mSDsluCounter, 14316 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12008 SdHoareTripleChecker+Valid, 19092 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.67ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.23ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:35,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12008 Valid, 19092 Invalid, 22 Unknown, 0 Unchecked, 15.67ms Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 49.23ms Time] [2021-11-05 18:28:35,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59749 states. [2021-11-05 18:28:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59749 to 14933. [2021-11-05 18:28:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14933 states, 14902 states have (on average 1.2562072205073145) internal successors, (18720), 14932 states have internal predecessors, (18720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14933 states to 14933 states and 18720 transitions. [2021-11-05 18:28:36,312 INFO L78 Accepts]: Start accepts. Automaton has 14933 states and 18720 transitions. Word has length 134 [2021-11-05 18:28:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:36,312 INFO L470 AbstractCegarLoop]: Abstraction has 14933 states and 18720 transitions. [2021-11-05 18:28:36,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 14933 states and 18720 transitions. [2021-11-05 18:28:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-05 18:28:36,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:36,320 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:36,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 18:28:36,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-05 18:28:36,547 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:36,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:36,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1287311310, now seen corresponding path program 2 times [2021-11-05 18:28:36,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:36,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677556568] [2021-11-05 18:28:36,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:36,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-05 18:28:36,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:36,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677556568] [2021-11-05 18:28:36,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677556568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:36,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:36,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:28:36,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357637501] [2021-11-05 18:28:36,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:36,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:28:36,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:36,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:28:36,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:28:36,841 INFO L87 Difference]: Start difference. First operand 14933 states and 18720 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:28:38,257 INFO L93 Difference]: Finished difference Result 22562 states and 28839 transitions. [2021-11-05 18:28:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:28:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 152 [2021-11-05 18:28:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:28:38,280 INFO L225 Difference]: With dead ends: 22562 [2021-11-05 18:28:38,281 INFO L226 Difference]: Without dead ends: 18232 [2021-11-05 18:28:38,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:28:38,290 INFO L933 BasicCegarLoop]: 3503 mSDtfsCounter, 1837 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 5352 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.68ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.93ms IncrementalHoareTripleChecker+Time [2021-11-05 18:28:38,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 5352 Invalid, 82 Unknown, 0 Unchecked, 4.68ms Time], IncrementalHoareTripleChecker [32 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 201.93ms Time] [2021-11-05 18:28:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18232 states. [2021-11-05 18:28:39,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18232 to 14439. [2021-11-05 18:28:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14439 states, 14414 states have (on average 1.253850423199667) internal successors, (18073), 14438 states have internal predecessors, (18073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 18073 transitions. [2021-11-05 18:28:39,211 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 18073 transitions. Word has length 152 [2021-11-05 18:28:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:28:39,211 INFO L470 AbstractCegarLoop]: Abstraction has 14439 states and 18073 transitions. [2021-11-05 18:28:39,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 18073 transitions. [2021-11-05 18:28:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-05 18:28:39,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:28:39,221 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:28:39,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-05 18:28:39,222 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:28:39,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:28:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash -866064027, now seen corresponding path program 1 times [2021-11-05 18:28:39,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:28:39,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425738667] [2021-11-05 18:28:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:28:39,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:28:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:28:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-05 18:28:39,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:28:39,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425738667] [2021-11-05 18:28:39,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425738667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:28:39,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:28:39,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:28:39,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868736766] [2021-11-05 18:28:39,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:28:39,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:28:39,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:28:39,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:28:39,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:28:39,517 INFO L87 Difference]: Start difference. First operand 14439 states and 18073 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:28:41,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:28:48,799 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:28:56,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:28:59,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:02,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:02,429 INFO L93 Difference]: Finished difference Result 44777 states and 56402 transitions. [2021-11-05 18:29:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:29:02,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 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 183 [2021-11-05 18:29:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:02,470 INFO L225 Difference]: With dead ends: 44777 [2021-11-05 18:29:02,470 INFO L226 Difference]: Without dead ends: 30402 [2021-11-05 18:29:02,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:29:02,489 INFO L933 BasicCegarLoop]: 5435 mSDtfsCounter, 4220 mSDsluCounter, 7861 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 38 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19942.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4220 SdHoareTripleChecker+Valid, 13296 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.42ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20552.35ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:02,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4220 Valid, 13296 Invalid, 463 Unknown, 0 Unchecked, 13.42ms Time], IncrementalHoareTripleChecker [38 Valid, 421 Invalid, 4 Unknown, 0 Unchecked, 20552.35ms Time] [2021-11-05 18:29:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30402 states. [2021-11-05 18:29:03,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30402 to 14487. [2021-11-05 18:29:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14487 states, 14462 states have (on average 1.253007882727147) internal successors, (18121), 14486 states have internal predecessors, (18121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14487 states to 14487 states and 18121 transitions. [2021-11-05 18:29:03,493 INFO L78 Accepts]: Start accepts. Automaton has 14487 states and 18121 transitions. Word has length 183 [2021-11-05 18:29:03,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:03,493 INFO L470 AbstractCegarLoop]: Abstraction has 14487 states and 18121 transitions. [2021-11-05 18:29:03,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 14487 states and 18121 transitions. [2021-11-05 18:29:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-05 18:29:03,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:03,503 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:03,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-05 18:29:03,504 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:03,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash 147349477, now seen corresponding path program 1 times [2021-11-05 18:29:03,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:03,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601276543] [2021-11-05 18:29:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:03,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-05 18:29:04,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:04,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601276543] [2021-11-05 18:29:04,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601276543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:04,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:29:04,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 18:29:04,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013753352] [2021-11-05 18:29:04,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:04,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 18:29:04,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:04,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 18:29:04,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:29:04,163 INFO L87 Difference]: Start difference. First operand 14487 states and 18121 transitions. Second operand has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:07,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:09,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:11,958 INFO L93 Difference]: Finished difference Result 50221 states and 62955 transitions. [2021-11-05 18:29:11,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 18:29:11,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 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 215 [2021-11-05 18:29:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:12,000 INFO L225 Difference]: With dead ends: 50221 [2021-11-05 18:29:12,001 INFO L226 Difference]: Without dead ends: 35798 [2021-11-05 18:29:12,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 299.50ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-05 18:29:12,016 INFO L933 BasicCegarLoop]: 3529 mSDtfsCounter, 9634 mSDsluCounter, 16713 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4483.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9634 SdHoareTripleChecker+Valid, 20242 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.01ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4652.08ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:12,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9634 Valid, 20242 Invalid, 204 Unknown, 0 Unchecked, 21.01ms Time], IncrementalHoareTripleChecker [16 Valid, 186 Invalid, 2 Unknown, 0 Unchecked, 4652.08ms Time] [2021-11-05 18:29:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35798 states. [2021-11-05 18:29:13,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35798 to 14527. [2021-11-05 18:29:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14527 states, 14502 states have (on average 1.2523100262032822) internal successors, (18161), 14526 states have internal predecessors, (18161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 18161 transitions. [2021-11-05 18:29:13,153 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 18161 transitions. Word has length 215 [2021-11-05 18:29:13,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:13,153 INFO L470 AbstractCegarLoop]: Abstraction has 14527 states and 18161 transitions. [2021-11-05 18:29:13,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 18161 transitions. [2021-11-05 18:29:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-05 18:29:13,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:13,164 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:13,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-05 18:29:13,164 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:13,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -900452535, now seen corresponding path program 1 times [2021-11-05 18:29:13,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:13,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423555402] [2021-11-05 18:29:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-05 18:29:13,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:13,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423555402] [2021-11-05 18:29:13,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423555402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:13,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:29:13,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:29:13,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087666744] [2021-11-05 18:29:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:13,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:29:13,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:13,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:29:13,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:29:13,494 INFO L87 Difference]: Start difference. First operand 14527 states and 18161 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:14,928 INFO L93 Difference]: Finished difference Result 31689 states and 39624 transitions. [2021-11-05 18:29:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:29:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 217 [2021-11-05 18:29:14,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:14,950 INFO L225 Difference]: With dead ends: 31689 [2021-11-05 18:29:14,950 INFO L226 Difference]: Without dead ends: 17226 [2021-11-05 18:29:14,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:29:14,967 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 2723 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 4368 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.10ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:14,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2723 Valid, 4368 Invalid, 1 Unknown, 0 Unchecked, 4.53ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 4.10ms Time] [2021-11-05 18:29:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17226 states. [2021-11-05 18:29:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17226 to 14527. [2021-11-05 18:29:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14527 states, 14502 states have (on average 1.2517583781547372) internal successors, (18153), 14526 states have internal predecessors, (18153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 18153 transitions. [2021-11-05 18:29:16,094 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 18153 transitions. Word has length 217 [2021-11-05 18:29:16,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:16,094 INFO L470 AbstractCegarLoop]: Abstraction has 14527 states and 18153 transitions. [2021-11-05 18:29:16,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 18153 transitions. [2021-11-05 18:29:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-05 18:29:16,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:16,108 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:16,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-05 18:29:16,108 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:16,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1330110841, now seen corresponding path program 1 times [2021-11-05 18:29:16,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:16,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994118197] [2021-11-05 18:29:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:16,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-05 18:29:16,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:16,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994118197] [2021-11-05 18:29:16,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994118197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:16,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:29:16,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 18:29:16,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996351208] [2021-11-05 18:29:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:16,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 18:29:16,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:16,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 18:29:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:29:16,577 INFO L87 Difference]: Start difference. First operand 14527 states and 18153 transitions. Second operand has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:20,746 INFO L93 Difference]: Finished difference Result 57337 states and 71780 transitions. [2021-11-05 18:29:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 18:29:20,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 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 217 [2021-11-05 18:29:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:20,815 INFO L225 Difference]: With dead ends: 57337 [2021-11-05 18:29:20,815 INFO L226 Difference]: Without dead ends: 42874 [2021-11-05 18:29:20,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 311.06ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-05 18:29:20,844 INFO L933 BasicCegarLoop]: 4343 mSDtfsCounter, 12071 mSDsluCounter, 21782 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 313.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12071 SdHoareTripleChecker+Valid, 26125 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.67ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 337.72ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:20,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12071 Valid, 26125 Invalid, 187 Unknown, 0 Unchecked, 23.67ms Time], IncrementalHoareTripleChecker [20 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 337.72ms Time] [2021-11-05 18:29:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42874 states. [2021-11-05 18:29:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42874 to 14567. [2021-11-05 18:29:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14567 states, 14542 states have (on average 1.2510658781460597) internal successors, (18193), 14566 states have internal predecessors, (18193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14567 states to 14567 states and 18193 transitions. [2021-11-05 18:29:22,283 INFO L78 Accepts]: Start accepts. Automaton has 14567 states and 18193 transitions. Word has length 217 [2021-11-05 18:29:22,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:22,283 INFO L470 AbstractCegarLoop]: Abstraction has 14567 states and 18193 transitions. [2021-11-05 18:29:22,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14567 states and 18193 transitions. [2021-11-05 18:29:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-05 18:29:22,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:22,301 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:22,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-05 18:29:22,302 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:22,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:22,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1951978589, now seen corresponding path program 1 times [2021-11-05 18:29:22,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:22,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823172917] [2021-11-05 18:29:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:22,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-05 18:29:22,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:22,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823172917] [2021-11-05 18:29:22,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823172917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:22,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:29:22,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:29:22,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960800513] [2021-11-05 18:29:22,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:22,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:29:22,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:22,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:29:22,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:29:22,656 INFO L87 Difference]: Start difference. First operand 14567 states and 18193 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:29,029 INFO L93 Difference]: Finished difference Result 76662 states and 96174 transitions. [2021-11-05 18:29:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 18:29:29,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2021-11-05 18:29:29,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:29,120 INFO L225 Difference]: With dead ends: 76662 [2021-11-05 18:29:29,120 INFO L226 Difference]: Without dead ends: 62159 [2021-11-05 18:29:29,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 108.87ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 18:29:29,145 INFO L933 BasicCegarLoop]: 5554 mSDtfsCounter, 11591 mSDsluCounter, 13793 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 272.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11591 SdHoareTripleChecker+Valid, 19347 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.15ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 296.06ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:29,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11591 Valid, 19347 Invalid, 140 Unknown, 0 Unchecked, 22.15ms Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 296.06ms Time] [2021-11-05 18:29:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62159 states. [2021-11-05 18:29:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62159 to 14591. [2021-11-05 18:29:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14591 states, 14566 states have (on average 1.2506522037621859) internal successors, (18217), 14590 states have internal predecessors, (18217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14591 states to 14591 states and 18217 transitions. [2021-11-05 18:29:30,757 INFO L78 Accepts]: Start accepts. Automaton has 14591 states and 18217 transitions. Word has length 219 [2021-11-05 18:29:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:30,757 INFO L470 AbstractCegarLoop]: Abstraction has 14591 states and 18217 transitions. [2021-11-05 18:29:30,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 14591 states and 18217 transitions. [2021-11-05 18:29:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-05 18:29:30,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:30,769 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:30,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-05 18:29:30,769 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:30,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -872393325, now seen corresponding path program 1 times [2021-11-05 18:29:30,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:30,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875803373] [2021-11-05 18:29:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:30,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-05 18:29:31,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:31,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875803373] [2021-11-05 18:29:31,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875803373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:31,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:29:31,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:29:31,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002240807] [2021-11-05 18:29:31,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:31,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:29:31,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:29:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:29:31,053 INFO L87 Difference]: Start difference. First operand 14591 states and 18217 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:29:32,488 INFO L93 Difference]: Finished difference Result 29128 states and 36372 transitions. [2021-11-05 18:29:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:29:32,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 227 [2021-11-05 18:29:32,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:29:32,507 INFO L225 Difference]: With dead ends: 29128 [2021-11-05 18:29:32,508 INFO L226 Difference]: Without dead ends: 14601 [2021-11-05 18:29:32,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:29:32,523 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 0 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5522 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.36ms IncrementalHoareTripleChecker+Time [2021-11-05 18:29:32,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5522 Invalid, 3 Unknown, 0 Unchecked, 3.47ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 8.36ms Time] [2021-11-05 18:29:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14601 states. [2021-11-05 18:29:34,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14601 to 14601. [2021-11-05 18:29:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14601 states, 14576 states have (on average 1.250480241492865) internal successors, (18227), 14600 states have internal predecessors, (18227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14601 states to 14601 states and 18227 transitions. [2021-11-05 18:29:34,044 INFO L78 Accepts]: Start accepts. Automaton has 14601 states and 18227 transitions. Word has length 227 [2021-11-05 18:29:34,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:29:34,044 INFO L470 AbstractCegarLoop]: Abstraction has 14601 states and 18227 transitions. [2021-11-05 18:29:34,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 14601 states and 18227 transitions. [2021-11-05 18:29:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-05 18:29:34,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:29:34,054 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:29:34,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-05 18:29:34,054 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:29:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:29:34,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1432538450, now seen corresponding path program 1 times [2021-11-05 18:29:34,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:29:34,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515200870] [2021-11-05 18:29:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:34,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:29:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-05 18:29:34,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:29:34,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515200870] [2021-11-05 18:29:34,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515200870] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 18:29:34,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962586556] [2021-11-05 18:29:34,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:29:34,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 18:29:34,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:29:34,364 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) [2021-11-05 18:29:34,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-05 18:29:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:29:35,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 4385 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 18:29:35,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 18:29:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-05 18:29:35,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 18:29:35,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962586556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:29:35,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 18:29:35,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-05 18:29:35,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289572907] [2021-11-05 18:29:35,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:29:35,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:29:35,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:29:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:29:35,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 18:29:35,690 INFO L87 Difference]: Start difference. First operand 14601 states and 18227 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:29:43,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:49,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:29:51,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:05,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:07,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:10,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:20,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:25,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:30:26,417 INFO L93 Difference]: Finished difference Result 53737 states and 68039 transitions. [2021-11-05 18:30:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 18:30:26,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 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 229 [2021-11-05 18:30:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:30:26,468 INFO L225 Difference]: With dead ends: 53737 [2021-11-05 18:30:26,468 INFO L226 Difference]: Without dead ends: 39200 [2021-11-05 18:30:26,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 135.15ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-05 18:30:26,489 INFO L933 BasicCegarLoop]: 7308 mSDtfsCounter, 5922 mSDsluCounter, 13166 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 195 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44685.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5922 SdHoareTripleChecker+Valid, 20474 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.51ms SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45721.13ms IncrementalHoareTripleChecker+Time [2021-11-05 18:30:26,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5922 Valid, 20474 Invalid, 1112 Unknown, 0 Unchecked, 24.51ms Time], IncrementalHoareTripleChecker [195 Valid, 914 Invalid, 3 Unknown, 0 Unchecked, 45721.13ms Time] [2021-11-05 18:30:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39200 states. [2021-11-05 18:30:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39200 to 14559. [2021-11-05 18:30:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14559 states, 14537 states have (on average 1.2499140125197772) internal successors, (18170), 14558 states have internal predecessors, (18170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:30:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14559 states to 14559 states and 18170 transitions. [2021-11-05 18:30:28,084 INFO L78 Accepts]: Start accepts. Automaton has 14559 states and 18170 transitions. Word has length 229 [2021-11-05 18:30:28,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:30:28,084 INFO L470 AbstractCegarLoop]: Abstraction has 14559 states and 18170 transitions. [2021-11-05 18:30:28,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:30:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 14559 states and 18170 transitions. [2021-11-05 18:30:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-05 18:30:28,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:30:28,100 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:30:28,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-05 18:30:28,315 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,SelfDestructingSolverStorable36 [2021-11-05 18:30:28,316 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 180 more)] === [2021-11-05 18:30:28,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:30:28,316 INFO L85 PathProgramCache]: Analyzing trace with hash 178381803, now seen corresponding path program 1 times [2021-11-05 18:30:28,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:30:28,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089062887] [2021-11-05 18:30:28,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:30:28,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:30:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:30:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-05 18:30:28,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:30:28,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089062887] [2021-11-05 18:30:28,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089062887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:30:28,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:30:28,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 18:30:28,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170999562] [2021-11-05 18:30:28,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:30:28,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 18:30:28,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:30:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 18:30:28,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 18:30:28,546 INFO L87 Difference]: Start difference. First operand 14559 states and 18170 transitions. Second operand has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:30:30,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:34,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:35,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:41,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:48,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:30:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:30:48,869 INFO L93 Difference]: Finished difference Result 41779 states and 52354 transitions. [2021-11-05 18:30:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:30:48,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 0 states have call successors, (0), 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 266 [2021-11-05 18:30:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:30:48,886 INFO L225 Difference]: With dead ends: 41779 [2021-11-05 18:30:48,886 INFO L226 Difference]: Without dead ends: 0 [2021-11-05 18:30:48,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:30:48,907 INFO L933 BasicCegarLoop]: 6102 mSDtfsCounter, 4753 mSDsluCounter, 7150 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16311.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 13252 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.42ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16733.34ms IncrementalHoareTripleChecker+Time [2021-11-05 18:30:48,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4753 Valid, 13252 Invalid, 457 Unknown, 0 Unchecked, 14.42ms Time], IncrementalHoareTripleChecker [46 Valid, 408 Invalid, 3 Unknown, 0 Unchecked, 16733.34ms Time] [2021-11-05 18:30:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-05 18:30:48,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-05 18:30:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:30:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-05 18:30:48,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2021-11-05 18:30:48,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:30:48,908 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-05 18:30:48,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 18:30:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-05 18:30:48,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-05 18:30:48,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (182 of 183 remaining) [2021-11-05 18:30:48,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (181 of 183 remaining) [2021-11-05 18:30:48,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (180 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (179 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (178 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (177 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (176 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (175 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (174 of 183 remaining) [2021-11-05 18:30:48,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (173 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (172 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (171 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (170 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (169 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (168 of 183 remaining) [2021-11-05 18:30:48,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (167 of 183 remaining) [2021-11-05 18:30:48,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (166 of 183 remaining) [2021-11-05 18:30:48,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (165 of 183 remaining) [2021-11-05 18:30:48,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (164 of 183 remaining) [2021-11-05 18:30:48,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (163 of 183 remaining) [2021-11-05 18:30:48,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (162 of 183 remaining) [2021-11-05 18:30:48,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (161 of 183 remaining) [2021-11-05 18:30:48,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (160 of 183 remaining) [2021-11-05 18:30:48,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (159 of 183 remaining) [2021-11-05 18:30:48,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (158 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (157 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (156 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (155 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (154 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (153 of 183 remaining) [2021-11-05 18:30:48,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (152 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (151 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (150 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (149 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (148 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (147 of 183 remaining) [2021-11-05 18:30:48,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (146 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (145 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (144 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (143 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (142 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (141 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (140 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (139 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (138 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (137 of 183 remaining) [2021-11-05 18:30:48,919 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (136 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (135 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (134 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (133 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (132 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (131 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (130 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (129 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (128 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (127 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (126 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (125 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (124 of 183 remaining) [2021-11-05 18:30:48,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (123 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (122 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (121 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (120 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (119 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (118 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (117 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (116 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (115 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (114 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (113 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (112 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (111 of 183 remaining) [2021-11-05 18:30:48,921 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (110 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (109 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (108 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (107 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (106 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (105 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (104 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (103 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (102 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (101 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (100 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (99 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (98 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (97 of 183 remaining) [2021-11-05 18:30:48,922 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (96 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (95 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (94 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (93 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (92 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (91 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (90 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (89 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (88 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (87 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (86 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (85 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (84 of 183 remaining) [2021-11-05 18:30:48,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (83 of 183 remaining) [2021-11-05 18:30:48,924 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (82 of 183 remaining) [2021-11-05 18:30:48,924 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (81 of 183 remaining) [2021-11-05 18:30:48,924 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION (80 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION (79 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION (78 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION (77 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION (76 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION (75 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONERROR_FUNCTION (74 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONERROR_FUNCTION (73 of 183 remaining) [2021-11-05 18:30:48,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONERROR_FUNCTION (72 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONERROR_FUNCTION (71 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONERROR_FUNCTION (70 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONERROR_FUNCTION (69 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONERROR_FUNCTION (68 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONERROR_FUNCTION (67 of 183 remaining) [2021-11-05 18:30:48,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONERROR_FUNCTION (66 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONERROR_FUNCTION (65 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONERROR_FUNCTION (64 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONERROR_FUNCTION (63 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONERROR_FUNCTION (62 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONERROR_FUNCTION (61 of 183 remaining) [2021-11-05 18:30:48,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONERROR_FUNCTION (60 of 183 remaining) [2021-11-05 18:30:48,928 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONERROR_FUNCTION (59 of 183 remaining) [2021-11-05 18:30:48,928 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONERROR_FUNCTION (58 of 183 remaining) [2021-11-05 18:30:48,928 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONERROR_FUNCTION (57 of 183 remaining) [2021-11-05 18:30:48,928 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION (56 of 183 remaining) [2021-11-05 18:30:48,928 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONERROR_FUNCTION (55 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION (54 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION (53 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION (52 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION (51 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONERROR_FUNCTION (50 of 183 remaining) [2021-11-05 18:30:48,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONERROR_FUNCTION (49 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION (48 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION (47 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION (46 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONERROR_FUNCTION (45 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION (44 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONERROR_FUNCTION (43 of 183 remaining) [2021-11-05 18:30:48,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr140ASSERT_VIOLATIONERROR_FUNCTION (42 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr141ASSERT_VIOLATIONERROR_FUNCTION (41 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr142ASSERT_VIOLATIONERROR_FUNCTION (40 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr143ASSERT_VIOLATIONERROR_FUNCTION (39 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr144ASSERT_VIOLATIONERROR_FUNCTION (38 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr145ASSERT_VIOLATIONERROR_FUNCTION (37 of 183 remaining) [2021-11-05 18:30:48,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr146ASSERT_VIOLATIONERROR_FUNCTION (36 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr147ASSERT_VIOLATIONERROR_FUNCTION (35 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr148ASSERT_VIOLATIONERROR_FUNCTION (34 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr149ASSERT_VIOLATIONERROR_FUNCTION (33 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION (32 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr151ASSERT_VIOLATIONERROR_FUNCTION (31 of 183 remaining) [2021-11-05 18:30:48,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr152ASSERT_VIOLATIONERROR_FUNCTION (30 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr153ASSERT_VIOLATIONERROR_FUNCTION (29 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr154ASSERT_VIOLATIONERROR_FUNCTION (28 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr155ASSERT_VIOLATIONERROR_FUNCTION (27 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr156ASSERT_VIOLATIONERROR_FUNCTION (26 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr157ASSERT_VIOLATIONERROR_FUNCTION (25 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr158ASSERT_VIOLATIONERROR_FUNCTION (24 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr159ASSERT_VIOLATIONERROR_FUNCTION (23 of 183 remaining) [2021-11-05 18:30:48,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION (22 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr161ASSERT_VIOLATIONERROR_FUNCTION (21 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION (20 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr163ASSERT_VIOLATIONERROR_FUNCTION (19 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONERROR_FUNCTION (18 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr165ASSERT_VIOLATIONERROR_FUNCTION (17 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr166ASSERT_VIOLATIONERROR_FUNCTION (16 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr167ASSERT_VIOLATIONERROR_FUNCTION (15 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr168ASSERT_VIOLATIONERROR_FUNCTION (14 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr169ASSERT_VIOLATIONERROR_FUNCTION (13 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr170ASSERT_VIOLATIONERROR_FUNCTION (12 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION (11 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION (10 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr173ASSERT_VIOLATIONERROR_FUNCTION (9 of 183 remaining) [2021-11-05 18:30:48,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr174ASSERT_VIOLATIONERROR_FUNCTION (8 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr175ASSERT_VIOLATIONERROR_FUNCTION (7 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION (6 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION (5 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION (4 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr179ASSERT_VIOLATIONERROR_FUNCTION (3 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr180ASSERT_VIOLATIONERROR_FUNCTION (2 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr181ASSERT_VIOLATIONERROR_FUNCTION (1 of 183 remaining) [2021-11-05 18:30:48,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION (0 of 183 remaining) [2021-11-05 18:30:48,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-05 18:30:48,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-05 18:31:45,572 WARN L230 SmtUtils]: Spent 56.56s on a formula simplification that was a NOOP. DAG size: 249 [2021-11-05 18:33:38,025 WARN L230 SmtUtils]: Spent 1.87m on a formula simplification that was a NOOP. DAG size: 404 [2021-11-05 18:37:29,706 WARN L230 SmtUtils]: Spent 3.86m on a formula simplification that was a NOOP. DAG size: 259 [2021-11-05 18:38:24,009 WARN L230 SmtUtils]: Spent 54.30s on a formula simplification that was a NOOP. DAG size: 260 Killed by 15