./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 5b36d44f 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-5b36d44 [2021-11-07 15:03:23,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:03:23,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:03:23,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:03:23,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:03:23,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:03:23,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:03:23,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:03:23,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:03:23,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:03:23,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:03:23,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:03:23,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:03:23,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:03:23,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:03:23,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:03:23,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:03:23,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:03:23,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:03:23,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:03:23,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:03:23,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:03:23,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:03:23,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:03:23,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:03:23,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:03:23,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:03:23,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:03:23,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:03:23,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:03:23,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:03:23,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:03:23,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:03:23,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:03:23,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:03:23,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:03:23,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:03:23,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:03:23,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:03:23,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:03:23,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:03:23,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:03:23,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:03:23,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:03:23,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:03:23,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:03:23,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:03:23,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:03:23,994 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:03:23,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:03:23,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:03:23,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:03:23,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:03:23,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:03:23,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:03:23,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:03:23,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:03:23,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:03:23,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:03:23,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:03:23,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:03:23,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:03:23,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:03:23,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:03:23,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:03:23,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:03:23,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa270183f30c4108ea2b2e80e3a005f959ee3ae47a4a31957eaa79c7226d5c4e [2021-11-07 15:03:24,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:03:24,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:03:24,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:03:24,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:03:24,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:03:24,221 INFO L432 ainManager$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 [2021-11-07 15:03:24,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7685a67db/4967cbcff46241dc95bd8e96589071cd/FLAG4a725edf0 [2021-11-07 15:03:24,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:03:24,938 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 [2021-11-07 15:03:24,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7685a67db/4967cbcff46241dc95bd8e96589071cd/FLAG4a725edf0 [2021-11-07 15:03:25,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7685a67db/4967cbcff46241dc95bd8e96589071cd [2021-11-07 15:03:25,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:03:25,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:03:25,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:03:25,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:03:25,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:03:25,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:03:25" (1/1) ... [2021-11-07 15:03:25,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767a809d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:25, skipping insertion in model container [2021-11-07 15:03:25,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:03:25" (1/1) ... [2021-11-07 15:03:25,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:03:25,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:03:26,382 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] [2021-11-07 15:03:26,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:03:26,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:03:26,844 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] [2021-11-07 15:03:26,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:03:26,914 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:03:26,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26 WrapperNode [2021-11-07 15:03:26,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:03:26,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:03:26,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:03:26,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:03:26,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:26,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:03:27,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:03:27,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:03:27,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:03:27,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:03:27,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:03:27,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:03:27,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:03:27,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (1/1) ... [2021-11-07 15:03:27,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:03:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:03:27,785 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) [2021-11-07 15:03:27,806 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 [2021-11-07 15:03:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 15:03:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 15:03:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 15:03:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:03:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:03:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:03:53,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:03:53,159 INFO L299 CfgBuilder]: Removed 2320 assume(true) statements. [2021-11-07 15:03:53,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:03:53 BoogieIcfgContainer [2021-11-07 15:03:53,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:03:53,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:03:53,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:03:53,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:03:53,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:03:25" (1/3) ... [2021-11-07 15:03:53,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bbdadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:03:53, skipping insertion in model container [2021-11-07 15:03:53,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:03:26" (2/3) ... [2021-11-07 15:03:53,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bbdadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:03:53, skipping insertion in model container [2021-11-07 15:03:53,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:03:53" (3/3) ... [2021-11-07 15:03:53,170 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 [2021-11-07 15:03:53,175 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:03:53,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 183 error locations. [2021-11-07 15:03:53,224 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:03:53,229 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 [2021-11-07 15:03:53,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2021-11-07 15:03:53,268 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) [2021-11-07 15:03:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 15:03:53,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:53,275 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] [2021-11-07 15:03:53,276 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)] === [2021-11-07 15:03:53,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1382866813, now seen corresponding path program 1 times [2021-11-07 15:03:53,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:53,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252305646] [2021-11-07 15:03:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:53,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:53,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:53,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252305646] [2021-11-07 15:03:53,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252305646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:53,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:53,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:03:53,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626414228] [2021-11-07 15:03:53,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:53,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:03:53,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:53,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:03:53,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:03:53,782 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) [2021-11-07 15:03:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:53,884 INFO L93 Difference]: Finished difference Result 5448 states and 7445 transitions. [2021-11-07 15:03:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:03:53,887 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 [2021-11-07 15:03:53,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:53,911 INFO L225 Difference]: With dead ends: 5448 [2021-11-07 15:03:53,912 INFO L226 Difference]: Without dead ends: 2716 [2021-11-07 15:03:53,923 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 [2021-11-07 15:03:53,926 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, 8.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:53,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 8.30ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:03:53,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2021-11-07 15:03:54,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2716. [2021-11-07 15:03:54,023 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) [2021-11-07 15:03:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3498 transitions. [2021-11-07 15:03:54,031 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3498 transitions. Word has length 47 [2021-11-07 15:03:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:54,032 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 3498 transitions. [2021-11-07 15:03:54,032 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) [2021-11-07 15:03:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3498 transitions. [2021-11-07 15:03:54,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 15:03:54,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:54,034 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] [2021-11-07 15:03:54,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:03:54,035 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)] === [2021-11-07 15:03:54,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:54,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1138174919, now seen corresponding path program 1 times [2021-11-07 15:03:54,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:54,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145667560] [2021-11-07 15:03:54,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:54,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:54,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:54,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145667560] [2021-11-07 15:03:54,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145667560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:54,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:54,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:03:54,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87813238] [2021-11-07 15:03:54,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:54,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:03:54,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:54,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:03:54,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:54,284 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) [2021-11-07 15:03:56,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:03:56,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:56,661 INFO L93 Difference]: Finished difference Result 8045 states and 10385 transitions. [2021-11-07 15:03:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:03:56,662 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 [2021-11-07 15:03:56,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:56,677 INFO L225 Difference]: With dead ends: 8045 [2021-11-07 15:03:56,678 INFO L226 Difference]: Without dead ends: 5365 [2021-11-07 15:03:56,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:56,687 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 3427 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2099.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 6973 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.34ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2205.02ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:56,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3427 Valid, 6973 Invalid, 15 Unknown, 0 Unchecked, 13.34ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2205.02ms Time] [2021-11-07 15:03:56,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5365 states. [2021-11-07 15:03:56,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5365 to 5009. [2021-11-07 15:03:56,775 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) [2021-11-07 15:03:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 5009 states and 6745 transitions. [2021-11-07 15:03:56,788 INFO L78 Accepts]: Start accepts. Automaton has 5009 states and 6745 transitions. Word has length 47 [2021-11-07 15:03:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:56,789 INFO L470 AbstractCegarLoop]: Abstraction has 5009 states and 6745 transitions. [2021-11-07 15:03:56,790 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) [2021-11-07 15:03:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 6745 transitions. [2021-11-07 15:03:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 15:03:56,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:56,796 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] [2021-11-07 15:03:56,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:03:56,798 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)] === [2021-11-07 15:03:56,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash -747158521, now seen corresponding path program 1 times [2021-11-07 15:03:56,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:56,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165680036] [2021-11-07 15:03:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:56,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:57,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:57,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165680036] [2021-11-07 15:03:57,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165680036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:57,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:57,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:03:57,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095034893] [2021-11-07 15:03:57,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:57,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:03:57,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:57,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:03:57,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:57,016 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) [2021-11-07 15:03:57,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:57,227 INFO L93 Difference]: Finished difference Result 14737 states and 19858 transitions. [2021-11-07 15:03:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:03:57,228 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 [2021-11-07 15:03:57,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:57,258 INFO L225 Difference]: With dead ends: 14737 [2021-11-07 15:03:57,258 INFO L226 Difference]: Without dead ends: 9764 [2021-11-07 15:03:57,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:57,271 INFO L933 BasicCegarLoop]: 3502 mSDtfsCounter, 3333 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 6952 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.23ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:57,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3333 Valid, 6952 Invalid, 11 Unknown, 0 Unchecked, 8.31ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 67.23ms Time] [2021-11-07 15:03:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9764 states. [2021-11-07 15:03:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9764 to 9407. [2021-11-07 15:03:57,446 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) [2021-11-07 15:03:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9407 states to 9407 states and 12964 transitions. [2021-11-07 15:03:57,472 INFO L78 Accepts]: Start accepts. Automaton has 9407 states and 12964 transitions. Word has length 50 [2021-11-07 15:03:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:57,472 INFO L470 AbstractCegarLoop]: Abstraction has 9407 states and 12964 transitions. [2021-11-07 15:03:57,472 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) [2021-11-07 15:03:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 9407 states and 12964 transitions. [2021-11-07 15:03:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 15:03:57,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:57,475 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] [2021-11-07 15:03:57,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:03:57,476 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)] === [2021-11-07 15:03:57,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:57,476 INFO L85 PathProgramCache]: Analyzing trace with hash -704216060, now seen corresponding path program 1 times [2021-11-07 15:03:57,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:57,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938320658] [2021-11-07 15:03:57,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:57,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:57,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:57,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938320658] [2021-11-07 15:03:57,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938320658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:57,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:57,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:03:57,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430936628] [2021-11-07 15:03:57,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:57,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:03:57,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:57,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:03:57,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:57,626 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) [2021-11-07 15:03:57,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:57,877 INFO L93 Difference]: Finished difference Result 26120 states and 35972 transitions. [2021-11-07 15:03:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:03:57,878 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 [2021-11-07 15:03:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:57,924 INFO L225 Difference]: With dead ends: 26120 [2021-11-07 15:03:57,924 INFO L226 Difference]: Without dead ends: 16749 [2021-11-07 15:03:57,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:57,942 INFO L933 BasicCegarLoop]: 3653 mSDtfsCounter, 2749 mSDsluCounter, 3453 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2749 SdHoareTripleChecker+Valid, 7106 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.84ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.88ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:57,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2749 Valid, 7106 Invalid, 8 Unknown, 0 Unchecked, 6.84ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 57.88ms Time] [2021-11-07 15:03:57,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16749 states. [2021-11-07 15:03:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16749 to 16451. [2021-11-07 15:03:58,225 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) [2021-11-07 15:03:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16451 states to 16451 states and 22884 transitions. [2021-11-07 15:03:58,257 INFO L78 Accepts]: Start accepts. Automaton has 16451 states and 22884 transitions. Word has length 52 [2021-11-07 15:03:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:58,257 INFO L470 AbstractCegarLoop]: Abstraction has 16451 states and 22884 transitions. [2021-11-07 15:03:58,257 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) [2021-11-07 15:03:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 16451 states and 22884 transitions. [2021-11-07 15:03:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 15:03:58,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:58,258 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] [2021-11-07 15:03:58,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:03:58,259 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)] === [2021-11-07 15:03:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1269284736, now seen corresponding path program 1 times [2021-11-07 15:03:58,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:58,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471863187] [2021-11-07 15:03:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:58,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:58,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:58,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471863187] [2021-11-07 15:03:58,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471863187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:58,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:58,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:03:58,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297564855] [2021-11-07 15:03:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:58,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:03:58,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:03:58,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:58,503 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) [2021-11-07 15:03:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:58,790 INFO L93 Difference]: Finished difference Result 35522 states and 49472 transitions. [2021-11-07 15:03:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:03:58,790 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 [2021-11-07 15:03:58,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:58,831 INFO L225 Difference]: With dead ends: 35522 [2021-11-07 15:03:58,831 INFO L226 Difference]: Without dead ends: 19107 [2021-11-07 15:03:58,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:58,857 INFO L933 BasicCegarLoop]: 4407 mSDtfsCounter, 979 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.81ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.63ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:58,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [979 Valid, 7855 Invalid, 12 Unknown, 0 Unchecked, 5.81ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 77.63ms Time] [2021-11-07 15:03:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19107 states. [2021-11-07 15:03:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19107 to 18987. [2021-11-07 15:03:59,150 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) [2021-11-07 15:03:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18987 states to 18987 states and 26548 transitions. [2021-11-07 15:03:59,185 INFO L78 Accepts]: Start accepts. Automaton has 18987 states and 26548 transitions. Word has length 54 [2021-11-07 15:03:59,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:59,185 INFO L470 AbstractCegarLoop]: Abstraction has 18987 states and 26548 transitions. [2021-11-07 15:03:59,186 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) [2021-11-07 15:03:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18987 states and 26548 transitions. [2021-11-07 15:03:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 15:03:59,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:59,186 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] [2021-11-07 15:03:59,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 15:03:59,187 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)] === [2021-11-07 15:03:59,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:59,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1033615451, now seen corresponding path program 1 times [2021-11-07 15:03:59,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:59,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004979941] [2021-11-07 15:03:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:59,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:03:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:03:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:03:59,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:03:59,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004979941] [2021-11-07 15:03:59,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004979941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:03:59,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:03:59,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:03:59,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920283552] [2021-11-07 15:03:59,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:03:59,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:03:59,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:03:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:03:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:59,375 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) [2021-11-07 15:03:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:03:59,522 INFO L93 Difference]: Finished difference Result 18987 states and 26548 transitions. [2021-11-07 15:03:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:03:59,522 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 [2021-11-07 15:03:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:03:59,560 INFO L225 Difference]: With dead ends: 18987 [2021-11-07 15:03:59,560 INFO L226 Difference]: Without dead ends: 18985 [2021-11-07 15:03:59,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:03:59,568 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 3442 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.37ms IncrementalHoareTripleChecker+Time [2021-11-07 15:03:59,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 3495 Invalid, 1 Unknown, 0 Unchecked, 4.10ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.37ms Time] [2021-11-07 15:03:59,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18985 states. [2021-11-07 15:03:59,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18985 to 18985. [2021-11-07 15:03:59,953 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) [2021-11-07 15:03:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18985 states to 18985 states and 26546 transitions. [2021-11-07 15:03:59,983 INFO L78 Accepts]: Start accepts. Automaton has 18985 states and 26546 transitions. Word has length 56 [2021-11-07 15:03:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:03:59,983 INFO L470 AbstractCegarLoop]: Abstraction has 18985 states and 26546 transitions. [2021-11-07 15:03:59,983 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) [2021-11-07 15:03:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18985 states and 26546 transitions. [2021-11-07 15:03:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 15:03:59,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:03:59,984 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] [2021-11-07 15:03:59,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 15:03:59,984 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)] === [2021-11-07 15:03:59,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:03:59,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1977293089, now seen corresponding path program 1 times [2021-11-07 15:03:59,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:03:59,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860874246] [2021-11-07 15:03:59,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:03:59,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:00,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:00,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860874246] [2021-11-07 15:04:00,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860874246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:00,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:00,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:04:00,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864580562] [2021-11-07 15:04:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:00,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:00,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:00,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:00,195 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) [2021-11-07 15:04:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:00,366 INFO L93 Difference]: Finished difference Result 18985 states and 26546 transitions. [2021-11-07 15:04:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:00,367 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 [2021-11-07 15:04:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:00,404 INFO L225 Difference]: With dead ends: 18985 [2021-11-07 15:04:00,404 INFO L226 Difference]: Without dead ends: 18983 [2021-11-07 15:04:00,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:00,413 INFO L933 BasicCegarLoop]: 3493 mSDtfsCounter, 3439 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 3493 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.67ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:00,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 3493 Invalid, 1 Unknown, 0 Unchecked, 5.01ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.67ms Time] [2021-11-07 15:04:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18983 states. [2021-11-07 15:04:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18983 to 18983. [2021-11-07 15:04:00,746 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) [2021-11-07 15:04:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18983 states to 18983 states and 26544 transitions. [2021-11-07 15:04:00,784 INFO L78 Accepts]: Start accepts. Automaton has 18983 states and 26544 transitions. Word has length 57 [2021-11-07 15:04:00,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:00,786 INFO L470 AbstractCegarLoop]: Abstraction has 18983 states and 26544 transitions. [2021-11-07 15:04:00,786 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) [2021-11-07 15:04:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 18983 states and 26544 transitions. [2021-11-07 15:04:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 15:04:00,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:00,787 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] [2021-11-07 15:04:00,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 15:04:00,788 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)] === [2021-11-07 15:04:00,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:00,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1166528785, now seen corresponding path program 1 times [2021-11-07 15:04:00,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:00,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044372339] [2021-11-07 15:04:00,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:00,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:01,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:01,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044372339] [2021-11-07 15:04:01,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044372339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:01,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:01,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:04:01,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071755956] [2021-11-07 15:04:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:01,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:01,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:01,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:01,054 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) [2021-11-07 15:04:01,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:01,290 INFO L93 Difference]: Finished difference Result 18983 states and 26544 transitions. [2021-11-07 15:04:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:01,291 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 [2021-11-07 15:04:01,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:01,327 INFO L225 Difference]: With dead ends: 18983 [2021-11-07 15:04:01,328 INFO L226 Difference]: Without dead ends: 18981 [2021-11-07 15:04:01,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:01,335 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 3436 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 3491 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.38ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:01,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3436 Valid, 3491 Invalid, 1 Unknown, 0 Unchecked, 4.83ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.38ms Time] [2021-11-07 15:04:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18981 states. [2021-11-07 15:04:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18981 to 18981. [2021-11-07 15:04:01,624 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) [2021-11-07 15:04:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18981 states to 18981 states and 26542 transitions. [2021-11-07 15:04:01,651 INFO L78 Accepts]: Start accepts. Automaton has 18981 states and 26542 transitions. Word has length 58 [2021-11-07 15:04:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:01,652 INFO L470 AbstractCegarLoop]: Abstraction has 18981 states and 26542 transitions. [2021-11-07 15:04:01,652 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) [2021-11-07 15:04:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18981 states and 26542 transitions. [2021-11-07 15:04:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 15:04:01,652 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:01,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:04:01,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 15:04:01,653 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)] === [2021-11-07 15:04:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1802639127, now seen corresponding path program 1 times [2021-11-07 15:04:01,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:01,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832544056] [2021-11-07 15:04:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:01,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:01,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:01,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832544056] [2021-11-07 15:04:01,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832544056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:01,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:01,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:04:01,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869024040] [2021-11-07 15:04:01,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:01,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:01,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:01,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:01,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:01,833 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) [2021-11-07 15:04:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:02,483 INFO L93 Difference]: Finished difference Result 50930 states and 71525 transitions. [2021-11-07 15:04:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:02,484 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 [2021-11-07 15:04:02,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:02,536 INFO L225 Difference]: With dead ends: 50930 [2021-11-07 15:04:02,536 INFO L226 Difference]: Without dead ends: 31985 [2021-11-07 15:04:02,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:02,564 INFO L933 BasicCegarLoop]: 4353 mSDtfsCounter, 2645 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 7453 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.94ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 179.30ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:02,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 7453 Invalid, 104 Unknown, 0 Unchecked, 8.94ms Time], IncrementalHoareTripleChecker [41 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 179.30ms Time] [2021-11-07 15:04:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31985 states. [2021-11-07 15:04:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31985 to 26898. [2021-11-07 15:04:02,999 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) [2021-11-07 15:04:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26898 states to 26898 states and 37632 transitions. [2021-11-07 15:04:03,040 INFO L78 Accepts]: Start accepts. Automaton has 26898 states and 37632 transitions. Word has length 59 [2021-11-07 15:04:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:03,041 INFO L470 AbstractCegarLoop]: Abstraction has 26898 states and 37632 transitions. [2021-11-07 15:04:03,041 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) [2021-11-07 15:04:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26898 states and 37632 transitions. [2021-11-07 15:04:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 15:04:03,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:03,042 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] [2021-11-07 15:04:03,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 15:04:03,042 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)] === [2021-11-07 15:04:03,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:03,043 INFO L85 PathProgramCache]: Analyzing trace with hash -47223239, now seen corresponding path program 1 times [2021-11-07 15:04:03,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:03,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283840783] [2021-11-07 15:04:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:03,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:03,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:03,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283840783] [2021-11-07 15:04:03,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283840783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:03,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:03,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:04:03,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914840024] [2021-11-07 15:04:03,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:03,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:03,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:03,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:03,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:03,201 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) [2021-11-07 15:04:05,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:05,207 INFO L93 Difference]: Finished difference Result 74392 states and 105539 transitions. [2021-11-07 15:04:05,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:05,207 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 [2021-11-07 15:04:05,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:05,289 INFO L225 Difference]: With dead ends: 74392 [2021-11-07 15:04:05,289 INFO L226 Difference]: Without dead ends: 47523 [2021-11-07 15:04:05,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:05,333 INFO L933 BasicCegarLoop]: 4823 mSDtfsCounter, 3083 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1102.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 7266 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.18ms SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1260.85ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:05,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3083 Valid, 7266 Invalid, 782 Unknown, 0 Unchecked, 12.18ms Time], IncrementalHoareTripleChecker [312 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1260.85ms Time] [2021-11-07 15:04:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47523 states. [2021-11-07 15:04:06,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47523 to 44424. [2021-11-07 15:04:06,197 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) [2021-11-07 15:04:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44424 states to 44424 states and 62431 transitions. [2021-11-07 15:04:06,267 INFO L78 Accepts]: Start accepts. Automaton has 44424 states and 62431 transitions. Word has length 60 [2021-11-07 15:04:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:06,267 INFO L470 AbstractCegarLoop]: Abstraction has 44424 states and 62431 transitions. [2021-11-07 15:04:06,267 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) [2021-11-07 15:04:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 44424 states and 62431 transitions. [2021-11-07 15:04:06,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 15:04:06,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:06,270 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] [2021-11-07 15:04:06,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 15:04:06,271 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)] === [2021-11-07 15:04:06,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:06,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1013716724, now seen corresponding path program 1 times [2021-11-07 15:04:06,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:06,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280487912] [2021-11-07 15:04:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:06,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:06,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:06,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280487912] [2021-11-07 15:04:06,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280487912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:06,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:06,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:04:06,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604815195] [2021-11-07 15:04:06,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:06,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:06,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:06,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:06,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:06,428 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) [2021-11-07 15:04:08,471 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 [] [2021-11-07 15:04:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:09,761 INFO L93 Difference]: Finished difference Result 89222 states and 125184 transitions. [2021-11-07 15:04:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:09,761 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 [2021-11-07 15:04:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:09,831 INFO L225 Difference]: With dead ends: 89222 [2021-11-07 15:04:09,831 INFO L226 Difference]: Without dead ends: 44834 [2021-11-07 15:04:09,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:09,877 INFO L933 BasicCegarLoop]: 4934 mSDtfsCounter, 3102 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2185.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.97ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2335.34ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:09,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 7615 Invalid, 84 Unknown, 0 Unchecked, 6.97ms Time], IncrementalHoareTripleChecker [30 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 2335.34ms Time] [2021-11-07 15:04:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44834 states. [2021-11-07 15:04:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44834 to 43844. [2021-11-07 15:04:10,802 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) [2021-11-07 15:04:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43844 states to 43844 states and 61516 transitions. [2021-11-07 15:04:10,870 INFO L78 Accepts]: Start accepts. Automaton has 43844 states and 61516 transitions. Word has length 82 [2021-11-07 15:04:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:10,870 INFO L470 AbstractCegarLoop]: Abstraction has 43844 states and 61516 transitions. [2021-11-07 15:04:10,870 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) [2021-11-07 15:04:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 43844 states and 61516 transitions. [2021-11-07 15:04:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 15:04:10,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:10,874 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] [2021-11-07 15:04:10,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 15:04:10,874 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)] === [2021-11-07 15:04:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:10,875 INFO L85 PathProgramCache]: Analyzing trace with hash 204370098, now seen corresponding path program 1 times [2021-11-07 15:04:10,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:10,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708505401] [2021-11-07 15:04:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:10,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:11,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:11,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708505401] [2021-11-07 15:04:11,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708505401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:11,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:11,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:04:11,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306515795] [2021-11-07 15:04:11,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:11,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:04:11,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:11,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:04:11,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:11,070 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) [2021-11-07 15:04:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:12,641 INFO L93 Difference]: Finished difference Result 65191 states and 90986 transitions. [2021-11-07 15:04:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:04:12,642 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 [2021-11-07 15:04:12,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:12,766 INFO L225 Difference]: With dead ends: 65191 [2021-11-07 15:04:12,766 INFO L226 Difference]: Without dead ends: 63976 [2021-11-07 15:04:12,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.29ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:04:12,794 INFO L933 BasicCegarLoop]: 5682 mSDtfsCounter, 6669 mSDsluCounter, 10333 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 440.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6669 SdHoareTripleChecker+Valid, 16015 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.39ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 483.19ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:12,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6669 Valid, 16015 Invalid, 185 Unknown, 0 Unchecked, 18.39ms Time], IncrementalHoareTripleChecker [32 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 483.19ms Time] [2021-11-07 15:04:12,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63976 states. [2021-11-07 15:04:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63976 to 42845. [2021-11-07 15:04:13,934 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) [2021-11-07 15:04:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42845 states to 42845 states and 59914 transitions. [2021-11-07 15:04:14,008 INFO L78 Accepts]: Start accepts. Automaton has 42845 states and 59914 transitions. Word has length 82 [2021-11-07 15:04:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:14,008 INFO L470 AbstractCegarLoop]: Abstraction has 42845 states and 59914 transitions. [2021-11-07 15:04:14,008 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) [2021-11-07 15:04:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 42845 states and 59914 transitions. [2021-11-07 15:04:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 15:04:14,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:14,011 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] [2021-11-07 15:04:14,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 15:04:14,012 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)] === [2021-11-07 15:04:14,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1823494806, now seen corresponding path program 1 times [2021-11-07 15:04:14,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:14,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940051625] [2021-11-07 15:04:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:14,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:14,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:14,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940051625] [2021-11-07 15:04:14,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940051625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:14,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:14,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:04:14,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105080963] [2021-11-07 15:04:14,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:14,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:14,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:14,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:14,314 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) [2021-11-07 15:04:16,354 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 [] [2021-11-07 15:04:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:17,113 INFO L93 Difference]: Finished difference Result 64720 states and 90347 transitions. [2021-11-07 15:04:17,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:17,114 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 [2021-11-07 15:04:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:17,149 INFO L225 Difference]: With dead ends: 64720 [2021-11-07 15:04:17,150 INFO L226 Difference]: Without dead ends: 21907 [2021-11-07 15:04:17,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:17,192 INFO L933 BasicCegarLoop]: 3473 mSDtfsCounter, 9 mSDsluCounter, 3460 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2047.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6933 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.23ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2164.95ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:17,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 6933 Invalid, 6 Unknown, 0 Unchecked, 4.23ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2164.95ms Time] [2021-11-07 15:04:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21907 states. [2021-11-07 15:04:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21907 to 21776. [2021-11-07 15:04:17,877 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) [2021-11-07 15:04:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21776 states to 21776 states and 30314 transitions. [2021-11-07 15:04:17,908 INFO L78 Accepts]: Start accepts. Automaton has 21776 states and 30314 transitions. Word has length 83 [2021-11-07 15:04:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:17,908 INFO L470 AbstractCegarLoop]: Abstraction has 21776 states and 30314 transitions. [2021-11-07 15:04:17,908 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) [2021-11-07 15:04:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 21776 states and 30314 transitions. [2021-11-07 15:04:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 15:04:17,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:17,912 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] [2021-11-07 15:04:17,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 15:04:17,912 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)] === [2021-11-07 15:04:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:17,912 INFO L85 PathProgramCache]: Analyzing trace with hash -916378102, now seen corresponding path program 1 times [2021-11-07 15:04:17,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:17,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132103190] [2021-11-07 15:04:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:17,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:18,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:18,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132103190] [2021-11-07 15:04:18,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132103190] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 15:04:18,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520561850] [2021-11-07 15:04:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:18,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 15:04:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:04:18,148 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) [2021-11-07 15:04:18,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 15:04:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:18,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 15:04:18,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 15:04:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:04:19,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 15:04:19,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520561850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:19,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 15:04:19,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-07 15:04:19,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931951517] [2021-11-07 15:04:19,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:19,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:19,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:19,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:19,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:19,186 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) [2021-11-07 15:04:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:19,828 INFO L93 Difference]: Finished difference Result 46261 states and 64426 transitions. [2021-11-07 15:04:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:19,829 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 [2021-11-07 15:04:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:19,865 INFO L225 Difference]: With dead ends: 46261 [2021-11-07 15:04:19,865 INFO L226 Difference]: Without dead ends: 24546 [2021-11-07 15:04:19,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.84ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:19,887 INFO L933 BasicCegarLoop]: 3461 mSDtfsCounter, 1966 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 5857 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.24ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.35ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:19,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 5857 Invalid, 17 Unknown, 0 Unchecked, 4.24ms Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 80.35ms Time] [2021-11-07 15:04:19,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24546 states. [2021-11-07 15:04:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24546 to 24360. [2021-11-07 15:04:20,334 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) [2021-11-07 15:04:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24360 states to 24360 states and 34002 transitions. [2021-11-07 15:04:20,372 INFO L78 Accepts]: Start accepts. Automaton has 24360 states and 34002 transitions. Word has length 88 [2021-11-07 15:04:20,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:20,372 INFO L470 AbstractCegarLoop]: Abstraction has 24360 states and 34002 transitions. [2021-11-07 15:04:20,372 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) [2021-11-07 15:04:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24360 states and 34002 transitions. [2021-11-07 15:04:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-07 15:04:20,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:20,375 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] [2021-11-07 15:04:20,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 15:04:20,591 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 [2021-11-07 15:04:20,592 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)] === [2021-11-07 15:04:20,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:20,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1483312442, now seen corresponding path program 1 times [2021-11-07 15:04:20,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:20,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814945794] [2021-11-07 15:04:20,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:20,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:20,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:20,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814945794] [2021-11-07 15:04:20,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814945794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:20,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:20,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:04:20,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917463724] [2021-11-07 15:04:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:20,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:04:20,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:04:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:20,891 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) [2021-11-07 15:04:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:22,059 INFO L93 Difference]: Finished difference Result 35804 states and 49679 transitions. [2021-11-07 15:04:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:04:22,060 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 [2021-11-07 15:04:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:22,110 INFO L225 Difference]: With dead ends: 35804 [2021-11-07 15:04:22,110 INFO L226 Difference]: Without dead ends: 29393 [2021-11-07 15:04:22,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 75.95ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:04:22,126 INFO L933 BasicCegarLoop]: 5616 mSDtfsCounter, 9963 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 375.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9963 SdHoareTripleChecker+Valid, 12566 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.30ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 419.84ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:22,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9963 Valid, 12566 Invalid, 176 Unknown, 0 Unchecked, 13.30ms Time], IncrementalHoareTripleChecker [32 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 419.84ms Time] [2021-11-07 15:04:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29393 states. [2021-11-07 15:04:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29393 to 18147. [2021-11-07 15:04:22,778 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) [2021-11-07 15:04:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18147 states to 18147 states and 25048 transitions. [2021-11-07 15:04:22,806 INFO L78 Accepts]: Start accepts. Automaton has 18147 states and 25048 transitions. Word has length 90 [2021-11-07 15:04:22,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:22,806 INFO L470 AbstractCegarLoop]: Abstraction has 18147 states and 25048 transitions. [2021-11-07 15:04:22,807 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) [2021-11-07 15:04:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18147 states and 25048 transitions. [2021-11-07 15:04:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 15:04:22,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:22,812 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] [2021-11-07 15:04:22,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 15:04:22,812 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)] === [2021-11-07 15:04:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash 264739799, now seen corresponding path program 1 times [2021-11-07 15:04:22,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:22,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481833221] [2021-11-07 15:04:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:22,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 15:04:23,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:23,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481833221] [2021-11-07 15:04:23,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481833221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:23,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:23,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:04:23,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190568905] [2021-11-07 15:04:23,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:23,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:23,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:23,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:23,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:23,006 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) [2021-11-07 15:04:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:24,023 INFO L93 Difference]: Finished difference Result 34969 states and 48254 transitions. [2021-11-07 15:04:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:24,024 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 [2021-11-07 15:04:24,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:24,051 INFO L225 Difference]: With dead ends: 34969 [2021-11-07 15:04:24,051 INFO L226 Difference]: Without dead ends: 16883 [2021-11-07 15:04:24,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:24,071 INFO L933 BasicCegarLoop]: 2941 mSDtfsCounter, 3028 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 423.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.83ms SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 473.18ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:24,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3028 Valid, 2941 Invalid, 299 Unknown, 0 Unchecked, 4.83ms Time], IncrementalHoareTripleChecker [149 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 473.18ms Time] [2021-11-07 15:04:24,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2021-11-07 15:04:24,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16883. [2021-11-07 15:04:24,609 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) [2021-11-07 15:04:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 22194 transitions. [2021-11-07 15:04:24,632 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 22194 transitions. Word has length 100 [2021-11-07 15:04:24,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:24,632 INFO L470 AbstractCegarLoop]: Abstraction has 16883 states and 22194 transitions. [2021-11-07 15:04:24,632 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) [2021-11-07 15:04:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 22194 transitions. [2021-11-07 15:04:24,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 15:04:24,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:24,637 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] [2021-11-07 15:04:24,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 15:04:24,637 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)] === [2021-11-07 15:04:24,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:24,637 INFO L85 PathProgramCache]: Analyzing trace with hash -579206121, now seen corresponding path program 1 times [2021-11-07 15:04:24,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:24,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279508928] [2021-11-07 15:04:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:24,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 15:04:24,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:24,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279508928] [2021-11-07 15:04:24,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279508928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:24,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:24,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:04:24,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256943188] [2021-11-07 15:04:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:24,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:04:24,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:24,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:04:24,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:04:24,802 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) [2021-11-07 15:04:26,846 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 [] [2021-11-07 15:04:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:27,689 INFO L93 Difference]: Finished difference Result 42301 states and 55579 transitions. [2021-11-07 15:04:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:04:27,690 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 [2021-11-07 15:04:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:27,728 INFO L225 Difference]: With dead ends: 42301 [2021-11-07 15:04:27,728 INFO L226 Difference]: Without dead ends: 25479 [2021-11-07 15:04:27,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:27,748 INFO L933 BasicCegarLoop]: 4840 mSDtfsCounter, 2616 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2095.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 11892 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2206.38ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:27,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2616 Valid, 11892 Invalid, 22 Unknown, 0 Unchecked, 6.78ms Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 2206.38ms Time] [2021-11-07 15:04:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25479 states. [2021-11-07 15:04:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25479 to 16899. [2021-11-07 15:04:28,196 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) [2021-11-07 15:04:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16899 states to 16899 states and 22210 transitions. [2021-11-07 15:04:28,220 INFO L78 Accepts]: Start accepts. Automaton has 16899 states and 22210 transitions. Word has length 100 [2021-11-07 15:04:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:28,220 INFO L470 AbstractCegarLoop]: Abstraction has 16899 states and 22210 transitions. [2021-11-07 15:04:28,220 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) [2021-11-07 15:04:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 16899 states and 22210 transitions. [2021-11-07 15:04:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-07 15:04:28,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:28,224 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] [2021-11-07 15:04:28,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 15:04:28,224 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)] === [2021-11-07 15:04:28,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1637929421, now seen corresponding path program 1 times [2021-11-07 15:04:28,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:28,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350818783] [2021-11-07 15:04:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:28,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:28,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:28,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350818783] [2021-11-07 15:04:28,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350818783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:28,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:28,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:04:28,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893093739] [2021-11-07 15:04:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:28,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:28,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:28,374 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) [2021-11-07 15:04:30,415 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 [] [2021-11-07 15:04:31,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:31,970 INFO L93 Difference]: Finished difference Result 33737 states and 44346 transitions. [2021-11-07 15:04:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:31,971 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 [2021-11-07 15:04:31,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:31,998 INFO L225 Difference]: With dead ends: 33737 [2021-11-07 15:04:31,998 INFO L226 Difference]: Without dead ends: 16899 [2021-11-07 15:04:32,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:32,020 INFO L933 BasicCegarLoop]: 3812 mSDtfsCounter, 2085 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 182 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2823.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.75ms SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3037.53ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:32,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 6395 Invalid, 624 Unknown, 0 Unchecked, 6.75ms Time], IncrementalHoareTripleChecker [182 Valid, 441 Invalid, 1 Unknown, 0 Unchecked, 3037.53ms Time] [2021-11-07 15:04:32,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16899 states. [2021-11-07 15:04:32,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16899 to 16368. [2021-11-07 15:04:32,447 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) [2021-11-07 15:04:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16368 states to 16368 states and 20924 transitions. [2021-11-07 15:04:32,467 INFO L78 Accepts]: Start accepts. Automaton has 16368 states and 20924 transitions. Word has length 101 [2021-11-07 15:04:32,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:32,467 INFO L470 AbstractCegarLoop]: Abstraction has 16368 states and 20924 transitions. [2021-11-07 15:04:32,468 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) [2021-11-07 15:04:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 16368 states and 20924 transitions. [2021-11-07 15:04:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-07 15:04:32,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:32,471 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] [2021-11-07 15:04:32,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 15:04:32,471 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)] === [2021-11-07 15:04:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2030956431, now seen corresponding path program 1 times [2021-11-07 15:04:32,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:32,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294787235] [2021-11-07 15:04:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:32,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:32,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:32,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:32,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294787235] [2021-11-07 15:04:32,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294787235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:32,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:32,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:04:32,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349169109] [2021-11-07 15:04:32,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:32,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:04:32,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:32,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:04:32,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:32,689 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) [2021-11-07 15:04:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:39,704 INFO L93 Difference]: Finished difference Result 36008 states and 46141 transitions. [2021-11-07 15:04:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:04:39,704 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 [2021-11-07 15:04:39,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:39,732 INFO L225 Difference]: With dead ends: 36008 [2021-11-07 15:04:39,733 INFO L226 Difference]: Without dead ends: 19701 [2021-11-07 15:04:39,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.79ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:04:39,752 INFO L933 BasicCegarLoop]: 4154 mSDtfsCounter, 4014 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5962.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4014 SdHoareTripleChecker+Valid, 12518 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.27ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6209.11ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:39,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4014 Valid, 12518 Invalid, 599 Unknown, 0 Unchecked, 11.27ms Time], IncrementalHoareTripleChecker [112 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 6209.11ms Time] [2021-11-07 15:04:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19701 states. [2021-11-07 15:04:40,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19701 to 15008. [2021-11-07 15:04:40,206 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) [2021-11-07 15:04:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15008 states to 15008 states and 19040 transitions. [2021-11-07 15:04:40,224 INFO L78 Accepts]: Start accepts. Automaton has 15008 states and 19040 transitions. Word has length 101 [2021-11-07 15:04:40,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:40,224 INFO L470 AbstractCegarLoop]: Abstraction has 15008 states and 19040 transitions. [2021-11-07 15:04:40,225 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) [2021-11-07 15:04:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 15008 states and 19040 transitions. [2021-11-07 15:04:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 15:04:40,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:40,228 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] [2021-11-07 15:04:40,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 15:04:40,228 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)] === [2021-11-07 15:04:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:40,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1118408912, now seen corresponding path program 1 times [2021-11-07 15:04:40,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:40,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826518472] [2021-11-07 15:04:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:40,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:40,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:40,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826518472] [2021-11-07 15:04:40,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826518472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:40,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:40,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:04:40,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858953246] [2021-11-07 15:04:40,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:40,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:04:40,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:40,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:04:40,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:04:40,365 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) [2021-11-07 15:04:48,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:04:49,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:49,807 INFO L93 Difference]: Finished difference Result 57838 states and 74268 transitions. [2021-11-07 15:04:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:04:49,808 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 [2021-11-07 15:04:49,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:49,869 INFO L225 Difference]: With dead ends: 57838 [2021-11-07 15:04:49,869 INFO L226 Difference]: Without dead ends: 42891 [2021-11-07 15:04:49,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:04:49,895 INFO L933 BasicCegarLoop]: 4957 mSDtfsCounter, 5023 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7830.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 13013 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.63ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8093.38ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:49,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 13013 Invalid, 490 Unknown, 0 Unchecked, 12.63ms Time], IncrementalHoareTripleChecker [44 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 8093.38ms Time] [2021-11-07 15:04:49,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42891 states. [2021-11-07 15:04:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42891 to 15200. [2021-11-07 15:04:50,529 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) [2021-11-07 15:04:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15200 states to 15200 states and 19232 transitions. [2021-11-07 15:04:50,548 INFO L78 Accepts]: Start accepts. Automaton has 15200 states and 19232 transitions. Word has length 102 [2021-11-07 15:04:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:50,548 INFO L470 AbstractCegarLoop]: Abstraction has 15200 states and 19232 transitions. [2021-11-07 15:04:50,548 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) [2021-11-07 15:04:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 15200 states and 19232 transitions. [2021-11-07 15:04:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 15:04:50,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:50,554 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] [2021-11-07 15:04:50,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 15:04:50,554 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)] === [2021-11-07 15:04:50,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 527543714, now seen corresponding path program 1 times [2021-11-07 15:04:50,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:50,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970992296] [2021-11-07 15:04:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:50,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 15:04:50,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:50,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970992296] [2021-11-07 15:04:50,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970992296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:50,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:04:50,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:04:50,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252394137] [2021-11-07 15:04:50,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:50,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:04:50,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:50,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:04:50,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:50,853 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) [2021-11-07 15:04:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:04:51,402 INFO L93 Difference]: Finished difference Result 30375 states and 38441 transitions. [2021-11-07 15:04:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:04:51,402 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 [2021-11-07 15:04:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:04:51,425 INFO L225 Difference]: With dead ends: 30375 [2021-11-07 15:04:51,426 INFO L226 Difference]: Without dead ends: 15203 [2021-11-07 15:04:51,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:04:51,443 INFO L933 BasicCegarLoop]: 2856 mSDtfsCounter, 0 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5700 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.18ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.46ms IncrementalHoareTripleChecker+Time [2021-11-07 15:04:51,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5700 Invalid, 19 Unknown, 0 Unchecked, 3.18ms Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 49.46ms Time] [2021-11-07 15:04:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15203 states. [2021-11-07 15:04:52,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15203 to 15203. [2021-11-07 15:04:52,054 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) [2021-11-07 15:04:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 19235 transitions. [2021-11-07 15:04:52,071 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 19235 transitions. Word has length 110 [2021-11-07 15:04:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:04:52,071 INFO L470 AbstractCegarLoop]: Abstraction has 15203 states and 19235 transitions. [2021-11-07 15:04:52,071 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) [2021-11-07 15:04:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 19235 transitions. [2021-11-07 15:04:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-07 15:04:52,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:04:52,076 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] [2021-11-07 15:04:52,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 15:04:52,076 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)] === [2021-11-07 15:04:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:04:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1882808872, now seen corresponding path program 1 times [2021-11-07 15:04:52,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:04:52,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963181941] [2021-11-07 15:04:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:52,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:04:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:04:52,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:04:52,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963181941] [2021-11-07 15:04:52,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963181941] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 15:04:52,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705897204] [2021-11-07 15:04:52,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:04:52,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 15:04:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:04:52,431 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) [2021-11-07 15:04:52,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 15:04:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:04:53,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 3132 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 15:04:53,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 15:04:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:04:53,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 15:04:53,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705897204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:04:53,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 15:04:53,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-07 15:04:53,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416503700] [2021-11-07 15:04:53,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:04:53,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:04:53,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:04:53,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:04:53,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:04:53,357 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) [2021-11-07 15:05:00,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:09,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:20,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:05:22,346 INFO L93 Difference]: Finished difference Result 51650 states and 66816 transitions. [2021-11-07 15:05:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 15:05:22,346 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 [2021-11-07 15:05:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:05:22,440 INFO L225 Difference]: With dead ends: 51650 [2021-11-07 15:05:22,440 INFO L226 Difference]: Without dead ends: 51596 [2021-11-07 15:05:22,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 122.30ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-07 15:05:22,467 INFO L933 BasicCegarLoop]: 6485 mSDtfsCounter, 7130 mSDsluCounter, 13279 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26244.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7130 SdHoareTripleChecker+Valid, 19764 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.16ms SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26949.83ms IncrementalHoareTripleChecker+Time [2021-11-07 15:05:22,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7130 Valid, 19764 Invalid, 1122 Unknown, 0 Unchecked, 22.16ms Time], IncrementalHoareTripleChecker [205 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 26949.83ms Time] [2021-11-07 15:05:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51596 states. [2021-11-07 15:05:23,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51596 to 15203. [2021-11-07 15:05:23,302 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) [2021-11-07 15:05:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 19235 transitions. [2021-11-07 15:05:23,320 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 19235 transitions. Word has length 113 [2021-11-07 15:05:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:05:23,321 INFO L470 AbstractCegarLoop]: Abstraction has 15203 states and 19235 transitions. [2021-11-07 15:05:23,321 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) [2021-11-07 15:05:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 19235 transitions. [2021-11-07 15:05:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-07 15:05:23,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:05:23,326 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] [2021-11-07 15:05:23,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 15:05:23,539 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 [2021-11-07 15:05:23,539 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)] === [2021-11-07 15:05:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:05:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1569028409, now seen corresponding path program 1 times [2021-11-07 15:05:23,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:05:23,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745492047] [2021-11-07 15:05:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:23,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:05:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:05:23,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:05:23,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745492047] [2021-11-07 15:05:23,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745492047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:05:23,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:05:23,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:05:23,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184631779] [2021-11-07 15:05:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:05:23,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:05:23,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:05:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:05:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:05:23,705 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) [2021-11-07 15:05:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:05:31,361 INFO L93 Difference]: Finished difference Result 34885 states and 44309 transitions. [2021-11-07 15:05:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:05:31,362 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 [2021-11-07 15:05:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:05:31,387 INFO L225 Difference]: With dead ends: 34885 [2021-11-07 15:05:31,387 INFO L226 Difference]: Without dead ends: 19746 [2021-11-07 15:05:31,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.76ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:05:31,405 INFO L933 BasicCegarLoop]: 4047 mSDtfsCounter, 7486 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6495.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7486 SdHoareTripleChecker+Valid, 8640 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.08ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6720.23ms IncrementalHoareTripleChecker+Time [2021-11-07 15:05:31,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7486 Valid, 8640 Invalid, 570 Unknown, 0 Unchecked, 10.08ms Time], IncrementalHoareTripleChecker [112 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 6720.23ms Time] [2021-11-07 15:05:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19746 states. [2021-11-07 15:05:32,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19746 to 15107. [2021-11-07 15:05:32,046 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) [2021-11-07 15:05:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15107 states to 15107 states and 19011 transitions. [2021-11-07 15:05:32,070 INFO L78 Accepts]: Start accepts. Automaton has 15107 states and 19011 transitions. Word has length 114 [2021-11-07 15:05:32,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:05:32,071 INFO L470 AbstractCegarLoop]: Abstraction has 15107 states and 19011 transitions. [2021-11-07 15:05:32,071 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) [2021-11-07 15:05:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15107 states and 19011 transitions. [2021-11-07 15:05:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-07 15:05:32,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:05:32,078 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] [2021-11-07 15:05:32,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 15:05:32,078 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)] === [2021-11-07 15:05:32,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:05:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2087722889, now seen corresponding path program 1 times [2021-11-07 15:05:32,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:05:32,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968910049] [2021-11-07 15:05:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:32,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:05:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 15:05:32,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:05:32,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968910049] [2021-11-07 15:05:32,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968910049] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 15:05:32,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408984141] [2021-11-07 15:05:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:32,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 15:05:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:05:32,275 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) [2021-11-07 15:05:32,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 15:05:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:33,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 3188 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 15:05:33,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 15:05:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:05:33,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 15:05:33,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408984141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:05:33,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 15:05:33,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-07 15:05:33,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820110273] [2021-11-07 15:05:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:05:33,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:05:33,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:05:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:05:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:05:33,292 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) [2021-11-07 15:05:38,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:41,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:05:41,731 INFO L93 Difference]: Finished difference Result 37047 states and 47248 transitions. [2021-11-07 15:05:41,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:05:41,731 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 [2021-11-07 15:05:41,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:05:41,761 INFO L225 Difference]: With dead ends: 37047 [2021-11-07 15:05:41,762 INFO L226 Difference]: Without dead ends: 22004 [2021-11-07 15:05:41,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.23ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:05:41,780 INFO L933 BasicCegarLoop]: 3781 mSDtfsCounter, 1808 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7306.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 5677 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.53ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7486.38ms IncrementalHoareTripleChecker+Time [2021-11-07 15:05:41,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 5677 Invalid, 97 Unknown, 0 Unchecked, 4.53ms Time], IncrementalHoareTripleChecker [22 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 7486.38ms Time] [2021-11-07 15:05:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22004 states. [2021-11-07 15:05:42,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22004 to 14717. [2021-11-07 15:05:42,467 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) [2021-11-07 15:05:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14717 states to 14717 states and 18504 transitions. [2021-11-07 15:05:42,485 INFO L78 Accepts]: Start accepts. Automaton has 14717 states and 18504 transitions. Word has length 116 [2021-11-07 15:05:42,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:05:42,485 INFO L470 AbstractCegarLoop]: Abstraction has 14717 states and 18504 transitions. [2021-11-07 15:05:42,486 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) [2021-11-07 15:05:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 14717 states and 18504 transitions. [2021-11-07 15:05:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-07 15:05:42,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:05:42,493 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] [2021-11-07 15:05:42,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 15:05:42,693 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 [2021-11-07 15:05:42,694 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)] === [2021-11-07 15:05:42,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:05:42,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1527276183, now seen corresponding path program 1 times [2021-11-07 15:05:42,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:05:42,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87187264] [2021-11-07 15:05:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:42,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:05:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 15:05:42,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:05:42,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87187264] [2021-11-07 15:05:42,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87187264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:05:42,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:05:42,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:05:42,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833717680] [2021-11-07 15:05:42,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:05:42,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:05:42,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:05:42,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:05:42,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:05:42,843 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) [2021-11-07 15:05:48,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:50,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:05:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:05:53,076 INFO L93 Difference]: Finished difference Result 21858 states and 27951 transitions. [2021-11-07 15:05:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 15:05:53,076 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 [2021-11-07 15:05:53,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:05:53,097 INFO L225 Difference]: With dead ends: 21858 [2021-11-07 15:05:53,097 INFO L226 Difference]: Without dead ends: 18858 [2021-11-07 15:05:53,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:05:53,104 INFO L933 BasicCegarLoop]: 3930 mSDtfsCounter, 1547 mSDsluCounter, 6076 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8967.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 10006 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.10ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9211.53ms IncrementalHoareTripleChecker+Time [2021-11-07 15:05:53,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 10006 Invalid, 357 Unknown, 0 Unchecked, 8.10ms Time], IncrementalHoareTripleChecker [44 Valid, 312 Invalid, 1 Unknown, 0 Unchecked, 9211.53ms Time] [2021-11-07 15:05:53,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18858 states. [2021-11-07 15:05:53,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18858 to 14717. [2021-11-07 15:05:53,759 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) [2021-11-07 15:05:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14717 states to 14717 states and 18456 transitions. [2021-11-07 15:05:53,777 INFO L78 Accepts]: Start accepts. Automaton has 14717 states and 18456 transitions. Word has length 122 [2021-11-07 15:05:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:05:53,777 INFO L470 AbstractCegarLoop]: Abstraction has 14717 states and 18456 transitions. [2021-11-07 15:05:53,777 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) [2021-11-07 15:05:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 14717 states and 18456 transitions. [2021-11-07 15:05:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-07 15:05:53,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:05:53,786 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] [2021-11-07 15:05:53,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 15:05:53,786 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)] === [2021-11-07 15:05:53,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:05:53,787 INFO L85 PathProgramCache]: Analyzing trace with hash -245535730, now seen corresponding path program 1 times [2021-11-07 15:05:53,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:05:53,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945103532] [2021-11-07 15:05:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:53,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:05:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:05:53,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:05:53,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945103532] [2021-11-07 15:05:53,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945103532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:05:53,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:05:53,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:05:53,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945082459] [2021-11-07 15:05:53,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:05:53,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:05:53,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:05:53,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:05:53,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:05:53,930 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) [2021-11-07 15:05:55,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:05:55,292 INFO L93 Difference]: Finished difference Result 43927 states and 55094 transitions. [2021-11-07 15:05:55,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:05:55,293 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 [2021-11-07 15:05:55,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:05:55,345 INFO L225 Difference]: With dead ends: 43927 [2021-11-07 15:05:55,345 INFO L226 Difference]: Without dead ends: 29274 [2021-11-07 15:05:55,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:05:55,371 INFO L933 BasicCegarLoop]: 5509 mSDtfsCounter, 2736 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 8297 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.08ms IncrementalHoareTripleChecker+Time [2021-11-07 15:05:55,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2736 Valid, 8297 Invalid, 7 Unknown, 0 Unchecked, 5.99ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 21.08ms Time] [2021-11-07 15:05:55,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29274 states. [2021-11-07 15:05:56,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29274 to 14725. [2021-11-07 15:05:56,281 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) [2021-11-07 15:05:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14725 states to 14725 states and 18464 transitions. [2021-11-07 15:05:56,301 INFO L78 Accepts]: Start accepts. Automaton has 14725 states and 18464 transitions. Word has length 128 [2021-11-07 15:05:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:05:56,302 INFO L470 AbstractCegarLoop]: Abstraction has 14725 states and 18464 transitions. [2021-11-07 15:05:56,302 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) [2021-11-07 15:05:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 14725 states and 18464 transitions. [2021-11-07 15:05:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-07 15:05:56,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:05:56,312 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] [2021-11-07 15:05:56,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 15:05:56,312 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)] === [2021-11-07 15:05:56,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:05:56,313 INFO L85 PathProgramCache]: Analyzing trace with hash -908942012, now seen corresponding path program 1 times [2021-11-07 15:05:56,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:05:56,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117067954] [2021-11-07 15:05:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:05:56,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:05:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:05:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:05:56,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:05:56,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117067954] [2021-11-07 15:05:56,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117067954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:05:56,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:05:56,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:05:56,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922229039] [2021-11-07 15:05:56,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:05:56,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:05:56,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:05:56,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:05:56,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:05:56,471 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) [2021-11-07 15:05:58,645 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 [] [2021-11-07 15:06:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:00,967 INFO L93 Difference]: Finished difference Result 62398 states and 78413 transitions. [2021-11-07 15:06:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:06:00,967 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 [2021-11-07 15:06:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:01,041 INFO L225 Difference]: With dead ends: 62398 [2021-11-07 15:06:01,042 INFO L226 Difference]: Without dead ends: 47737 [2021-11-07 15:06:01,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:06:01,067 INFO L933 BasicCegarLoop]: 4825 mSDtfsCounter, 7809 mSDsluCounter, 9495 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2078.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7809 SdHoareTripleChecker+Valid, 14320 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.45ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2163.42ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:01,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7809 Valid, 14320 Invalid, 31 Unknown, 0 Unchecked, 11.45ms Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2163.42ms Time] [2021-11-07 15:06:01,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47737 states. [2021-11-07 15:06:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47737 to 14741. [2021-11-07 15:06:02,050 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) [2021-11-07 15:06:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14741 states to 14741 states and 18480 transitions. [2021-11-07 15:06:02,067 INFO L78 Accepts]: Start accepts. Automaton has 14741 states and 18480 transitions. Word has length 129 [2021-11-07 15:06:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:02,067 INFO L470 AbstractCegarLoop]: Abstraction has 14741 states and 18480 transitions. [2021-11-07 15:06:02,067 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) [2021-11-07 15:06:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14741 states and 18480 transitions. [2021-11-07 15:06:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-07 15:06:02,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:02,077 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] [2021-11-07 15:06:02,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 15:06:02,077 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)] === [2021-11-07 15:06:02,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 892356872, now seen corresponding path program 1 times [2021-11-07 15:06:02,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:02,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142806168] [2021-11-07 15:06:02,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:02,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:06:02,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:02,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142806168] [2021-11-07 15:06:02,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142806168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:02,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:02,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:06:02,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70470235] [2021-11-07 15:06:02,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:02,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:06:02,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:06:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:06:02,243 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) [2021-11-07 15:06:04,280 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 [] [2021-11-07 15:06:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:05,719 INFO L93 Difference]: Finished difference Result 36939 states and 46313 transitions. [2021-11-07 15:06:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:06:05,719 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 [2021-11-07 15:06:05,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:05,744 INFO L225 Difference]: With dead ends: 36939 [2021-11-07 15:06:05,745 INFO L226 Difference]: Without dead ends: 22262 [2021-11-07 15:06:05,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:06:05,757 INFO L933 BasicCegarLoop]: 4374 mSDtfsCounter, 2364 mSDsluCounter, 6372 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2077.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 10746 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.19ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2232.09ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:05,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2364 Valid, 10746 Invalid, 21 Unknown, 0 Unchecked, 6.19ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2232.09ms Time] [2021-11-07 15:06:05,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22262 states. [2021-11-07 15:06:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22262 to 14741. [2021-11-07 15:06:06,566 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) [2021-11-07 15:06:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14741 states to 14741 states and 18480 transitions. [2021-11-07 15:06:06,584 INFO L78 Accepts]: Start accepts. Automaton has 14741 states and 18480 transitions. Word has length 131 [2021-11-07 15:06:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:06,584 INFO L470 AbstractCegarLoop]: Abstraction has 14741 states and 18480 transitions. [2021-11-07 15:06:06,584 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) [2021-11-07 15:06:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 14741 states and 18480 transitions. [2021-11-07 15:06:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-07 15:06:06,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:06,589 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] [2021-11-07 15:06:06,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 15:06:06,589 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)] === [2021-11-07 15:06:06,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:06,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1636413751, now seen corresponding path program 1 times [2021-11-07 15:06:06,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:06,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775924830] [2021-11-07 15:06:06,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:06,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:06:06,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:06,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775924830] [2021-11-07 15:06:06,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775924830] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 15:06:06,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182222493] [2021-11-07 15:06:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:06,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 15:06:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:06:06,769 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) [2021-11-07 15:06:06,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 15:06:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:07,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 3598 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 15:06:07,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 15:06:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:06:07,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 15:06:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:06:07,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182222493] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 15:06:07,976 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 15:06:07,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 15:06:07,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682127074] [2021-11-07 15:06:07,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 15:06:07,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 15:06:07,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:07,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 15:06:07,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:06:07,978 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) [2021-11-07 15:06:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:11,258 INFO L93 Difference]: Finished difference Result 74426 states and 93443 transitions. [2021-11-07 15:06:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 15:06:11,259 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 [2021-11-07 15:06:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:11,363 INFO L225 Difference]: With dead ends: 74426 [2021-11-07 15:06:11,364 INFO L226 Difference]: Without dead ends: 59749 [2021-11-07 15:06:11,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 49.38ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:06:11,398 INFO L933 BasicCegarLoop]: 4776 mSDtfsCounter, 12008 mSDsluCounter, 14316 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12008 SdHoareTripleChecker+Valid, 19092 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.29ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.27ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:11,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12008 Valid, 19092 Invalid, 22 Unknown, 0 Unchecked, 14.29ms Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 49.27ms Time] [2021-11-07 15:06:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59749 states. [2021-11-07 15:06:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59749 to 14933. [2021-11-07 15:06:12,727 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) [2021-11-07 15:06:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14933 states to 14933 states and 18720 transitions. [2021-11-07 15:06:12,745 INFO L78 Accepts]: Start accepts. Automaton has 14933 states and 18720 transitions. Word has length 134 [2021-11-07 15:06:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:12,746 INFO L470 AbstractCegarLoop]: Abstraction has 14933 states and 18720 transitions. [2021-11-07 15:06:12,746 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) [2021-11-07 15:06:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14933 states and 18720 transitions. [2021-11-07 15:06:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-07 15:06:12,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:12,754 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] [2021-11-07 15:06:12,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 15:06:12,978 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 [2021-11-07 15:06:12,978 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)] === [2021-11-07 15:06:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1287311310, now seen corresponding path program 2 times [2021-11-07 15:06:12,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:12,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529636519] [2021-11-07 15:06:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:12,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 15:06:13,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:13,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529636519] [2021-11-07 15:06:13,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529636519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:13,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:13,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:06:13,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829860869] [2021-11-07 15:06:13,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:13,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:06:13,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:13,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:06:13,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:06:13,201 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) [2021-11-07 15:06:14,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:14,554 INFO L93 Difference]: Finished difference Result 22562 states and 28839 transitions. [2021-11-07 15:06:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:06:14,555 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 [2021-11-07 15:06:14,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:14,579 INFO L225 Difference]: With dead ends: 22562 [2021-11-07 15:06:14,579 INFO L226 Difference]: Without dead ends: 18232 [2021-11-07 15:06:14,587 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 [2021-11-07 15:06:14,588 INFO L933 BasicCegarLoop]: 3503 mSDtfsCounter, 1837 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 174.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 5352 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.31ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 192.64ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:14,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 5352 Invalid, 82 Unknown, 0 Unchecked, 4.31ms Time], IncrementalHoareTripleChecker [32 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 192.64ms Time] [2021-11-07 15:06:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18232 states. [2021-11-07 15:06:15,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18232 to 14439. [2021-11-07 15:06:15,570 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) [2021-11-07 15:06:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 18073 transitions. [2021-11-07 15:06:15,589 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 18073 transitions. Word has length 152 [2021-11-07 15:06:15,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:15,589 INFO L470 AbstractCegarLoop]: Abstraction has 14439 states and 18073 transitions. [2021-11-07 15:06:15,589 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) [2021-11-07 15:06:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 18073 transitions. [2021-11-07 15:06:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-07 15:06:15,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:15,601 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] [2021-11-07 15:06:15,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 15:06:15,601 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)] === [2021-11-07 15:06:15,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:15,602 INFO L85 PathProgramCache]: Analyzing trace with hash -866064027, now seen corresponding path program 1 times [2021-11-07 15:06:15,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:15,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503091204] [2021-11-07 15:06:15,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:15,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 15:06:15,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:15,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503091204] [2021-11-07 15:06:15,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503091204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:15,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:15,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:06:15,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066559247] [2021-11-07 15:06:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:15,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:06:15,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:15,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:06:15,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:06:15,827 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) [2021-11-07 15:06:18,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:06:25,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:06:32,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:06:37,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:06:39,672 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 [] [2021-11-07 15:06:39,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:39,727 INFO L93 Difference]: Finished difference Result 44777 states and 56402 transitions. [2021-11-07 15:06:39,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:06:39,727 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 [2021-11-07 15:06:39,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:39,767 INFO L225 Difference]: With dead ends: 44777 [2021-11-07 15:06:39,767 INFO L226 Difference]: Without dead ends: 30402 [2021-11-07 15:06:39,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.38ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:06:39,782 INFO L933 BasicCegarLoop]: 5435 mSDtfsCounter, 4220 mSDsluCounter, 7861 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 38 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21020.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4220 SdHoareTripleChecker+Valid, 13296 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.40ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21462.65ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:39,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4220 Valid, 13296 Invalid, 463 Unknown, 0 Unchecked, 13.40ms Time], IncrementalHoareTripleChecker [38 Valid, 421 Invalid, 4 Unknown, 0 Unchecked, 21462.65ms Time] [2021-11-07 15:06:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30402 states. [2021-11-07 15:06:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30402 to 14487. [2021-11-07 15:06:40,781 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) [2021-11-07 15:06:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14487 states to 14487 states and 18121 transitions. [2021-11-07 15:06:40,798 INFO L78 Accepts]: Start accepts. Automaton has 14487 states and 18121 transitions. Word has length 183 [2021-11-07 15:06:40,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:40,799 INFO L470 AbstractCegarLoop]: Abstraction has 14487 states and 18121 transitions. [2021-11-07 15:06:40,799 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) [2021-11-07 15:06:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14487 states and 18121 transitions. [2021-11-07 15:06:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-07 15:06:40,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:40,809 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] [2021-11-07 15:06:40,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 15:06:40,810 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)] === [2021-11-07 15:06:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 147349477, now seen corresponding path program 1 times [2021-11-07 15:06:40,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:40,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006312112] [2021-11-07 15:06:40,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:40,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 15:06:41,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:41,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006312112] [2021-11-07 15:06:41,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006312112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:41,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:41,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 15:06:41,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982122122] [2021-11-07 15:06:41,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:41,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 15:06:41,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:41,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 15:06:41,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:06:41,330 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) [2021-11-07 15:06:44,235 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 [] [2021-11-07 15:06:46,316 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 [] [2021-11-07 15:06:48,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:48,738 INFO L93 Difference]: Finished difference Result 50221 states and 62955 transitions. [2021-11-07 15:06:48,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 15:06:48,739 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 [2021-11-07 15:06:48,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:48,792 INFO L225 Difference]: With dead ends: 50221 [2021-11-07 15:06:48,792 INFO L226 Difference]: Without dead ends: 35798 [2021-11-07 15:06:48,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 292.32ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 15:06:48,816 INFO L933 BasicCegarLoop]: 3529 mSDtfsCounter, 9634 mSDsluCounter, 16713 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4430.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9634 SdHoareTripleChecker+Valid, 20242 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.64ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4561.86ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:48,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9634 Valid, 20242 Invalid, 204 Unknown, 0 Unchecked, 17.64ms Time], IncrementalHoareTripleChecker [16 Valid, 186 Invalid, 2 Unknown, 0 Unchecked, 4561.86ms Time] [2021-11-07 15:06:48,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35798 states. [2021-11-07 15:06:50,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35798 to 14527. [2021-11-07 15:06:50,085 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) [2021-11-07 15:06:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 18161 transitions. [2021-11-07 15:06:50,101 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 18161 transitions. Word has length 215 [2021-11-07 15:06:50,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:50,101 INFO L470 AbstractCegarLoop]: Abstraction has 14527 states and 18161 transitions. [2021-11-07 15:06:50,101 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) [2021-11-07 15:06:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 18161 transitions. [2021-11-07 15:06:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-07 15:06:50,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:50,111 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] [2021-11-07 15:06:50,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 15:06:50,112 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)] === [2021-11-07 15:06:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:50,112 INFO L85 PathProgramCache]: Analyzing trace with hash -900452535, now seen corresponding path program 1 times [2021-11-07 15:06:50,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:50,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321222328] [2021-11-07 15:06:50,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:50,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 15:06:50,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:50,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321222328] [2021-11-07 15:06:50,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321222328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:50,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:50,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:06:50,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888435219] [2021-11-07 15:06:50,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:50,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:06:50,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:06:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:06:50,367 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) [2021-11-07 15:06:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:51,715 INFO L93 Difference]: Finished difference Result 31689 states and 39624 transitions. [2021-11-07 15:06:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:06:51,716 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 [2021-11-07 15:06:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:51,738 INFO L225 Difference]: With dead ends: 31689 [2021-11-07 15:06:51,738 INFO L226 Difference]: Without dead ends: 17226 [2021-11-07 15:06:51,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:06:51,756 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 2723 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 4368 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.33ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:51,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2723 Valid, 4368 Invalid, 1 Unknown, 0 Unchecked, 4.36ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.33ms Time] [2021-11-07 15:06:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17226 states. [2021-11-07 15:06:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17226 to 14527. [2021-11-07 15:06:52,975 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) [2021-11-07 15:06:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14527 states to 14527 states and 18153 transitions. [2021-11-07 15:06:52,991 INFO L78 Accepts]: Start accepts. Automaton has 14527 states and 18153 transitions. Word has length 217 [2021-11-07 15:06:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:52,991 INFO L470 AbstractCegarLoop]: Abstraction has 14527 states and 18153 transitions. [2021-11-07 15:06:52,992 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) [2021-11-07 15:06:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14527 states and 18153 transitions. [2021-11-07 15:06:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-07 15:06:53,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:53,003 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] [2021-11-07 15:06:53,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 15:06:53,003 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)] === [2021-11-07 15:06:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1330110841, now seen corresponding path program 1 times [2021-11-07 15:06:53,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:53,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898825273] [2021-11-07 15:06:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:53,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 15:06:53,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:53,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898825273] [2021-11-07 15:06:53,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898825273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:53,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:53,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 15:06:53,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6386532] [2021-11-07 15:06:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:53,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 15:06:53,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:53,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 15:06:53,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:06:53,404 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) [2021-11-07 15:06:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:06:57,730 INFO L93 Difference]: Finished difference Result 57337 states and 71780 transitions. [2021-11-07 15:06:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 15:06:57,730 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 [2021-11-07 15:06:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:06:57,789 INFO L225 Difference]: With dead ends: 57337 [2021-11-07 15:06:57,789 INFO L226 Difference]: Without dead ends: 42874 [2021-11-07 15:06:57,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 385.02ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-07 15:06:57,814 INFO L933 BasicCegarLoop]: 4343 mSDtfsCounter, 12071 mSDsluCounter, 21782 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 343.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12071 SdHoareTripleChecker+Valid, 26125 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.98ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 382.39ms IncrementalHoareTripleChecker+Time [2021-11-07 15:06:57,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12071 Valid, 26125 Invalid, 187 Unknown, 0 Unchecked, 22.98ms Time], IncrementalHoareTripleChecker [20 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 382.39ms Time] [2021-11-07 15:06:57,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42874 states. [2021-11-07 15:06:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42874 to 14567. [2021-11-07 15:06:59,332 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) [2021-11-07 15:06:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14567 states to 14567 states and 18193 transitions. [2021-11-07 15:06:59,350 INFO L78 Accepts]: Start accepts. Automaton has 14567 states and 18193 transitions. Word has length 217 [2021-11-07 15:06:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:06:59,350 INFO L470 AbstractCegarLoop]: Abstraction has 14567 states and 18193 transitions. [2021-11-07 15:06:59,350 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) [2021-11-07 15:06:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 14567 states and 18193 transitions. [2021-11-07 15:06:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-07 15:06:59,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:06:59,362 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] [2021-11-07 15:06:59,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 15:06:59,363 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)] === [2021-11-07 15:06:59,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:06:59,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1951978589, now seen corresponding path program 1 times [2021-11-07 15:06:59,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:06:59,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855449018] [2021-11-07 15:06:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:06:59,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:06:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:06:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-07 15:06:59,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:06:59,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855449018] [2021-11-07 15:06:59,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855449018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:06:59,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:06:59,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:06:59,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20458241] [2021-11-07 15:06:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:06:59,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:06:59,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:06:59,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:06:59,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:06:59,657 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) [2021-11-07 15:07:06,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:07:06,065 INFO L93 Difference]: Finished difference Result 76662 states and 96174 transitions. [2021-11-07 15:07:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 15:07:06,065 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 [2021-11-07 15:07:06,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:07:06,159 INFO L225 Difference]: With dead ends: 76662 [2021-11-07 15:07:06,159 INFO L226 Difference]: Without dead ends: 62159 [2021-11-07 15:07:06,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 152.07ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 15:07:06,186 INFO L933 BasicCegarLoop]: 5554 mSDtfsCounter, 11591 mSDsluCounter, 13793 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 281.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11591 SdHoareTripleChecker+Valid, 19347 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.17ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 315.86ms IncrementalHoareTripleChecker+Time [2021-11-07 15:07:06,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11591 Valid, 19347 Invalid, 140 Unknown, 0 Unchecked, 21.17ms Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 315.86ms Time] [2021-11-07 15:07:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62159 states. [2021-11-07 15:07:07,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62159 to 14591. [2021-11-07 15:07:07,976 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) [2021-11-07 15:07:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14591 states to 14591 states and 18217 transitions. [2021-11-07 15:07:07,992 INFO L78 Accepts]: Start accepts. Automaton has 14591 states and 18217 transitions. Word has length 219 [2021-11-07 15:07:07,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:07:07,992 INFO L470 AbstractCegarLoop]: Abstraction has 14591 states and 18217 transitions. [2021-11-07 15:07:07,993 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) [2021-11-07 15:07:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 14591 states and 18217 transitions. [2021-11-07 15:07:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-07 15:07:08,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:07:08,002 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] [2021-11-07 15:07:08,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 15:07:08,003 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)] === [2021-11-07 15:07:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:07:08,003 INFO L85 PathProgramCache]: Analyzing trace with hash -872393325, now seen corresponding path program 1 times [2021-11-07 15:07:08,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:07:08,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190188142] [2021-11-07 15:07:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:07:08,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:07:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:07:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 15:07:08,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:07:08,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190188142] [2021-11-07 15:07:08,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190188142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:07:08,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:07:08,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:07:08,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879484704] [2021-11-07 15:07:08,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:07:08,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:07:08,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:07:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:07:08,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:07:08,230 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) [2021-11-07 15:07:09,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:07:09,640 INFO L93 Difference]: Finished difference Result 29128 states and 36372 transitions. [2021-11-07 15:07:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:07:09,641 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 [2021-11-07 15:07:09,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:07:09,660 INFO L225 Difference]: With dead ends: 29128 [2021-11-07 15:07:09,660 INFO L226 Difference]: Without dead ends: 14601 [2021-11-07 15:07:09,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:07:09,674 INFO L933 BasicCegarLoop]: 2762 mSDtfsCounter, 0 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5522 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.61ms IncrementalHoareTripleChecker+Time [2021-11-07 15:07:09,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5522 Invalid, 3 Unknown, 0 Unchecked, 3.03ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 8.61ms Time] [2021-11-07 15:07:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14601 states. [2021-11-07 15:07:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14601 to 14601. [2021-11-07 15:07:11,145 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) [2021-11-07 15:07:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14601 states to 14601 states and 18227 transitions. [2021-11-07 15:07:11,162 INFO L78 Accepts]: Start accepts. Automaton has 14601 states and 18227 transitions. Word has length 227 [2021-11-07 15:07:11,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:07:11,162 INFO L470 AbstractCegarLoop]: Abstraction has 14601 states and 18227 transitions. [2021-11-07 15:07:11,162 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) [2021-11-07 15:07:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 14601 states and 18227 transitions. [2021-11-07 15:07:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-07 15:07:11,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:07:11,173 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] [2021-11-07 15:07:11,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 15:07:11,173 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)] === [2021-11-07 15:07:11,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:07:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1432538450, now seen corresponding path program 1 times [2021-11-07 15:07:11,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:07:11,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076313210] [2021-11-07 15:07:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:07:11,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:07:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:07:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-07 15:07:11,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:07:11,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076313210] [2021-11-07 15:07:11,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076313210] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 15:07:11,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960218657] [2021-11-07 15:07:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:07:11,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 15:07:11,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:07:11,439 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) [2021-11-07 15:07:11,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 15:07:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:07:12,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 4385 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 15:07:12,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 15:07:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-07 15:07:12,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 15:07:12,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960218657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:07:12,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 15:07:12,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-07 15:07:12,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520251370] [2021-11-07 15:07:12,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:07:12,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:07:12,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:07:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:07:12,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 15:07:12,725 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) [2021-11-07 15:07:15,976 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 [] [2021-11-07 15:07:21,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:07:28,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:07:39,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:07:58,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:07:59,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:07:59,171 INFO L93 Difference]: Finished difference Result 53737 states and 68039 transitions. [2021-11-07 15:07:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 15:07:59,172 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 [2021-11-07 15:07:59,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:07:59,223 INFO L225 Difference]: With dead ends: 53737 [2021-11-07 15:07:59,223 INFO L226 Difference]: Without dead ends: 39200 [2021-11-07 15:07:59,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 165.46ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-07 15:07:59,244 INFO L933 BasicCegarLoop]: 7308 mSDtfsCounter, 5922 mSDsluCounter, 13166 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 195 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39969.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5922 SdHoareTripleChecker+Valid, 20474 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.63ms SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41142.77ms IncrementalHoareTripleChecker+Time [2021-11-07 15:07:59,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5922 Valid, 20474 Invalid, 1112 Unknown, 0 Unchecked, 24.63ms Time], IncrementalHoareTripleChecker [195 Valid, 914 Invalid, 3 Unknown, 0 Unchecked, 41142.77ms Time] [2021-11-07 15:07:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39200 states. [2021-11-07 15:08:00,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39200 to 14559. [2021-11-07 15:08:00,846 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) [2021-11-07 15:08:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14559 states to 14559 states and 18170 transitions. [2021-11-07 15:08:00,865 INFO L78 Accepts]: Start accepts. Automaton has 14559 states and 18170 transitions. Word has length 229 [2021-11-07 15:08:00,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:08:00,865 INFO L470 AbstractCegarLoop]: Abstraction has 14559 states and 18170 transitions. [2021-11-07 15:08:00,866 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) [2021-11-07 15:08:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14559 states and 18170 transitions. [2021-11-07 15:08:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-07 15:08:00,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:08:00,878 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] [2021-11-07 15:08:00,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 15:08:01,091 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 [2021-11-07 15:08:01,091 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)] === [2021-11-07 15:08:01,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:08:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash 178381803, now seen corresponding path program 1 times [2021-11-07 15:08:01,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:08:01,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296286555] [2021-11-07 15:08:01,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:08:01,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:08:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:08:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-07 15:08:01,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:08:01,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296286555] [2021-11-07 15:08:01,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296286555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:08:01,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:08:01,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:08:01,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032550481] [2021-11-07 15:08:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:08:01,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:08:01,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:08:01,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:08:01,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:08:01,317 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) [2021-11-07 15:08:07,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:09,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:12,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:16,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:18,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:25,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:08:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:08:25,074 INFO L93 Difference]: Finished difference Result 41779 states and 52354 transitions. [2021-11-07 15:08:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:08:25,116 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 [2021-11-07 15:08:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:08:25,117 INFO L225 Difference]: With dead ends: 41779 [2021-11-07 15:08:25,117 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 15:08:25,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.08ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:08:25,138 INFO L933 BasicCegarLoop]: 6102 mSDtfsCounter, 4753 mSDsluCounter, 7150 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 46 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19483.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 13252 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.23ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19965.31ms IncrementalHoareTripleChecker+Time [2021-11-07 15:08:25,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4753 Valid, 13252 Invalid, 457 Unknown, 0 Unchecked, 14.23ms Time], IncrementalHoareTripleChecker [46 Valid, 407 Invalid, 4 Unknown, 0 Unchecked, 19965.31ms Time] [2021-11-07 15:08:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 15:08:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 15:08:25,139 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) [2021-11-07 15:08:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 15:08:25,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2021-11-07 15:08:25,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:08:25,139 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 15:08:25,139 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) [2021-11-07 15:08:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 15:08:25,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 15:08:25,141 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (182 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (181 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (180 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (179 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (178 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (177 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (176 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (175 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (174 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (173 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (172 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (171 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (170 of 183 remaining) [2021-11-07 15:08:25,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (169 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (168 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (167 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (166 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (165 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (164 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (163 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (162 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (161 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (160 of 183 remaining) [2021-11-07 15:08:25,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (159 of 183 remaining) [2021-11-07 15:08:25,149 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (158 of 183 remaining) [2021-11-07 15:08:25,149 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (157 of 183 remaining) [2021-11-07 15:08:25,149 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (156 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (155 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (154 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (153 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (152 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (151 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (150 of 183 remaining) [2021-11-07 15:08:25,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (149 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (148 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (147 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (146 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (145 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (144 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (143 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (142 of 183 remaining) [2021-11-07 15:08:25,151 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (141 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (140 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (139 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (138 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (137 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (136 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (135 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (134 of 183 remaining) [2021-11-07 15:08:25,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (133 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (132 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (131 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (130 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (129 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (128 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (127 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (126 of 183 remaining) [2021-11-07 15:08:25,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (125 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (124 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (123 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (122 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (121 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (120 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (119 of 183 remaining) [2021-11-07 15:08:25,154 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (118 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (117 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (116 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (115 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (114 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (113 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (112 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (111 of 183 remaining) [2021-11-07 15:08:25,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (110 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (109 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (108 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (107 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (106 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (105 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (104 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (103 of 183 remaining) [2021-11-07 15:08:25,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (102 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (101 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (100 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (99 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (98 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (97 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (96 of 183 remaining) [2021-11-07 15:08:25,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (95 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (94 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (93 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (92 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (91 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (90 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (89 of 183 remaining) [2021-11-07 15:08:25,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (88 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (87 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (86 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (85 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (84 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (83 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (82 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (81 of 183 remaining) [2021-11-07 15:08:25,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION (80 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION (79 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION (78 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION (77 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION (76 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION (75 of 183 remaining) [2021-11-07 15:08:25,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONERROR_FUNCTION (74 of 183 remaining) [2021-11-07 15:08:25,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONERROR_FUNCTION (73 of 183 remaining) [2021-11-07 15:08:25,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONERROR_FUNCTION (72 of 183 remaining) [2021-11-07 15:08:25,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONERROR_FUNCTION (71 of 183 remaining) [2021-11-07 15:08:25,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONERROR_FUNCTION (70 of 183 remaining) [2021-11-07 15:08:25,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONERROR_FUNCTION (69 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONERROR_FUNCTION (68 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONERROR_FUNCTION (67 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONERROR_FUNCTION (66 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONERROR_FUNCTION (65 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONERROR_FUNCTION (64 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONERROR_FUNCTION (63 of 183 remaining) [2021-11-07 15:08:25,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONERROR_FUNCTION (62 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONERROR_FUNCTION (61 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONERROR_FUNCTION (60 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONERROR_FUNCTION (59 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONERROR_FUNCTION (58 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONERROR_FUNCTION (57 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION (56 of 183 remaining) [2021-11-07 15:08:25,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONERROR_FUNCTION (55 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION (54 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION (53 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION (52 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION (51 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONERROR_FUNCTION (50 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONERROR_FUNCTION (49 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION (48 of 183 remaining) [2021-11-07 15:08:25,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION (47 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION (46 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONERROR_FUNCTION (45 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION (44 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONERROR_FUNCTION (43 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr140ASSERT_VIOLATIONERROR_FUNCTION (42 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr141ASSERT_VIOLATIONERROR_FUNCTION (41 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr142ASSERT_VIOLATIONERROR_FUNCTION (40 of 183 remaining) [2021-11-07 15:08:25,166 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr143ASSERT_VIOLATIONERROR_FUNCTION (39 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr144ASSERT_VIOLATIONERROR_FUNCTION (38 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr145ASSERT_VIOLATIONERROR_FUNCTION (37 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr146ASSERT_VIOLATIONERROR_FUNCTION (36 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr147ASSERT_VIOLATIONERROR_FUNCTION (35 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr148ASSERT_VIOLATIONERROR_FUNCTION (34 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr149ASSERT_VIOLATIONERROR_FUNCTION (33 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION (32 of 183 remaining) [2021-11-07 15:08:25,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr151ASSERT_VIOLATIONERROR_FUNCTION (31 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr152ASSERT_VIOLATIONERROR_FUNCTION (30 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr153ASSERT_VIOLATIONERROR_FUNCTION (29 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr154ASSERT_VIOLATIONERROR_FUNCTION (28 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr155ASSERT_VIOLATIONERROR_FUNCTION (27 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr156ASSERT_VIOLATIONERROR_FUNCTION (26 of 183 remaining) [2021-11-07 15:08:25,168 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr157ASSERT_VIOLATIONERROR_FUNCTION (25 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr158ASSERT_VIOLATIONERROR_FUNCTION (24 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr159ASSERT_VIOLATIONERROR_FUNCTION (23 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION (22 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr161ASSERT_VIOLATIONERROR_FUNCTION (21 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION (20 of 183 remaining) [2021-11-07 15:08:25,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr163ASSERT_VIOLATIONERROR_FUNCTION (19 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONERROR_FUNCTION (18 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr165ASSERT_VIOLATIONERROR_FUNCTION (17 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr166ASSERT_VIOLATIONERROR_FUNCTION (16 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr167ASSERT_VIOLATIONERROR_FUNCTION (15 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr168ASSERT_VIOLATIONERROR_FUNCTION (14 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr169ASSERT_VIOLATIONERROR_FUNCTION (13 of 183 remaining) [2021-11-07 15:08:25,170 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr170ASSERT_VIOLATIONERROR_FUNCTION (12 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION (11 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION (10 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr173ASSERT_VIOLATIONERROR_FUNCTION (9 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr174ASSERT_VIOLATIONERROR_FUNCTION (8 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr175ASSERT_VIOLATIONERROR_FUNCTION (7 of 183 remaining) [2021-11-07 15:08:25,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION (6 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION (5 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION (4 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr179ASSERT_VIOLATIONERROR_FUNCTION (3 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr180ASSERT_VIOLATIONERROR_FUNCTION (2 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr181ASSERT_VIOLATIONERROR_FUNCTION (1 of 183 remaining) [2021-11-07 15:08:25,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION (0 of 183 remaining) [2021-11-07 15:08:25,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 15:08:25,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 15:09:21,711 WARN L227 SmtUtils]: Spent 56.47s on a formula simplification that was a NOOP. DAG size: 249 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-07 15:11:17,548 WARN L227 SmtUtils]: Spent 1.93m on a formula simplification that was a NOOP. DAG size: 404 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-07 15:15:11,790 WARN L227 SmtUtils]: Spent 3.90m on a formula simplification that was a NOOP. DAG size: 259 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-07 15:16:06,049 WARN L227 SmtUtils]: Spent 54.26s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15