./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-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-43_2a-drivers--net--irda--via-ircc.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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:22:36,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:22:36,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:22:36,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:22:36,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:22:36,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:22:36,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:22:36,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:22:36,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:22:36,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:22:36,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:22:36,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:22:36,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:22:36,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:22:36,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:22:36,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:22:36,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:22:36,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:22:36,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:22:36,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:22:36,799 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:22:36,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:22:36,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:22:36,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:22:36,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:22:36,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:22:36,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:22:36,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:22:36,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:22:36,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:22:36,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:22:36,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:22:36,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:22:36,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:22:36,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:22:36,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:22:36,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:22:36,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:22:36,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:22:36,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:22:36,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:22:36,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:22:36,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:22:36,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:22:36,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:22:36,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:22:36,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:22:36,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:22:36,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:22:36,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:22:36,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:22:36,845 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:22:36,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:22:36,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:22:36,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:22:36,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:22:36,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:22:36,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:22:36,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:22:36,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:22:36,849 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:22:36,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:22:36,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:22:36,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-07-20 01:22:37,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:22:37,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:22:37,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:22:37,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:22:37,073 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:22:37,074 INFO L432 ainManager$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-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-07-20 01:22:37,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3160c28f8/5157410e9daf4ec593ee79fd288b0cb8/FLAG1f4570f05 [2022-07-20 01:22:37,764 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:22:37,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-07-20 01:22:37,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3160c28f8/5157410e9daf4ec593ee79fd288b0cb8/FLAG1f4570f05 [2022-07-20 01:22:38,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3160c28f8/5157410e9daf4ec593ee79fd288b0cb8 [2022-07-20 01:22:38,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:22:38,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:22:38,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:22:38,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:22:38,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:22:38,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:22:38" (1/1) ... [2022-07-20 01:22:38,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faabd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:38, skipping insertion in model container [2022-07-20 01:22:38,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:22:38" (1/1) ... [2022-07-20 01:22:38,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:22:38,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:22:39,378 WARN L230 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-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-07-20 01:22:39,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:22:39,442 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:22:39,708 WARN L230 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-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-07-20 01:22:39,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:22:39,793 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:22:39,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39 WrapperNode [2022-07-20 01:22:39,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:22:39,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:22:39,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:22:39,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:22:39,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:39,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:39,988 INFO L137 Inliner]: procedures = 237, calls = 2052, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4644 [2022-07-20 01:22:39,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:22:39,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:22:39,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:22:39,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:22:39,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:39,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:22:40,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:22:40,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:22:40,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:22:40,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (1/1) ... [2022-07-20 01:22:40,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:22:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:22:40,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:22:40,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:22:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-07-20 01:22:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-07-20 01:22:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-07-20 01:22:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-07-20 01:22:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:22:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:22:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:22:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:22:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-07-20 01:22:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-07-20 01:22:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:22:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:22:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-07-20 01:22:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-07-20 01:22:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-07-20 01:22:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-07-20 01:22:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:22:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:22:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 01:22:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 01:22:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:22:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:22:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:22:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:22:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 01:22:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 01:22:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-07-20 01:22:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-07-20 01:22:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 01:22:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 01:22:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-07-20 01:22:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-07-20 01:22:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:22:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:22:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-07-20 01:22:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-07-20 01:22:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-07-20 01:22:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-07-20 01:22:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:22:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:22:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:22:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:22:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-07-20 01:22:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-07-20 01:22:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-20 01:22:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-20 01:22:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-07-20 01:22:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-07-20 01:22:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:22:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:22:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:22:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:22:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-07-20 01:22:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-07-20 01:22:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-07-20 01:22:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-07-20 01:22:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 01:22:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 01:22:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:22:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:22:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-07-20 01:22:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-07-20 01:22:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:22:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:22:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:22:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:22:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-07-20 01:22:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-07-20 01:22:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-07-20 01:22:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-07-20 01:22:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 01:22:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 01:22:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-20 01:22:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-20 01:22:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-07-20 01:22:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-07-20 01:22:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:22:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:22:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 01:22:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 01:22:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:22:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:22:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-07-20 01:22:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-07-20 01:22:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-07-20 01:22:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-07-20 01:22:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:22:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-07-20 01:22:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-07-20 01:22:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-07-20 01:22:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-07-20 01:22:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:22:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-07-20 01:22:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-07-20 01:22:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 01:22:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 01:22:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-07-20 01:22:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-07-20 01:22:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 01:22:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 01:22:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:22:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:22:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:22:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:22:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:22:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-07-20 01:22:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-07-20 01:22:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-20 01:22:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-20 01:22:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:22:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:22:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-07-20 01:22:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-07-20 01:22:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 01:22:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 01:22:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:22:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-20 01:22:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-20 01:22:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 01:22:40,317 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 01:22:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-07-20 01:22:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-07-20 01:22:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 01:22:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 01:22:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:22:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:22:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-07-20 01:22:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-07-20 01:22:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-07-20 01:22:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-07-20 01:22:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:22:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:22:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-07-20 01:22:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-07-20 01:22:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:22:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-07-20 01:22:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-07-20 01:22:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:22:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:22:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 01:22:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:22:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:22:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-07-20 01:22:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-07-20 01:22:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-07-20 01:22:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-07-20 01:22:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-07-20 01:22:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-07-20 01:22:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-07-20 01:22:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-07-20 01:22:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-07-20 01:22:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-07-20 01:22:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 01:22:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 01:22:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-07-20 01:22:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-07-20 01:22:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 01:22:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 01:22:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-20 01:22:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-20 01:22:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:22:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-20 01:22:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-20 01:22:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-07-20 01:22:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-07-20 01:22:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-07-20 01:22:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-07-20 01:22:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:22:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:22:40,844 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:22:40,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:22:41,123 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:22:44,085 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:22:44,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:22:44,103 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:22:44,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:22:44 BoogieIcfgContainer [2022-07-20 01:22:44,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:22:44,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:22:44,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:22:44,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:22:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:22:38" (1/3) ... [2022-07-20 01:22:44,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6453b9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:22:44, skipping insertion in model container [2022-07-20 01:22:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:22:39" (2/3) ... [2022-07-20 01:22:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6453b9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:22:44, skipping insertion in model container [2022-07-20 01:22:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:22:44" (3/3) ... [2022-07-20 01:22:44,112 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-07-20 01:22:44,121 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:22:44,121 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:22:44,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:22:44,199 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59beae38, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@dcb5a56 [2022-07-20 01:22:44,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:22:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 1913 states, 1213 states have (on average 1.3437757625721352) internal successors, (1630), 1244 states have internal predecessors, (1630), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-07-20 01:22:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-20 01:22:44,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:44,244 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:22:44,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1714063715, now seen corresponding path program 1 times [2022-07-20 01:22:44,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:22:44,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357424644] [2022-07-20 01:22:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:44,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:22:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:22:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:22:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:22:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:22:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:22:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:22:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:22:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 01:22:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:22:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 01:22:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:22:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 01:22:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:22:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:22:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:22:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:22:45,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:22:45,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357424644] [2022-07-20 01:22:45,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357424644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:45,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:45,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:22:45,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799385227] [2022-07-20 01:22:45,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:45,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:22:45,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:22:45,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:22:45,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:22:45,112 INFO L87 Difference]: Start difference. First operand has 1913 states, 1213 states have (on average 1.3437757625721352) internal successors, (1630), 1244 states have internal predecessors, (1630), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:22:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:52,440 INFO L93 Difference]: Finished difference Result 3880 states and 5917 transitions. [2022-07-20 01:22:52,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:22:52,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-07-20 01:22:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:52,470 INFO L225 Difference]: With dead ends: 3880 [2022-07-20 01:22:52,470 INFO L226 Difference]: Without dead ends: 1954 [2022-07-20 01:22:52,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:22:52,490 INFO L413 NwaCegarLoop]: 2372 mSDtfsCounter, 2357 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 3110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 3545 SdHoareTripleChecker+Invalid, 4979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3110 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:52,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 3545 Invalid, 4979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3110 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-20 01:22:52,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-07-20 01:22:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1895. [2022-07-20 01:22:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1895 states, 1204 states have (on average 1.303986710963455) internal successors, (1570), 1226 states have internal predecessors, (1570), 611 states have call successors, (611), 80 states have call predecessors, (611), 79 states have return successors, (610), 599 states have call predecessors, (610), 610 states have call successors, (610) [2022-07-20 01:22:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2791 transitions. [2022-07-20 01:22:52,663 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2791 transitions. Word has length 193 [2022-07-20 01:22:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:52,663 INFO L495 AbstractCegarLoop]: Abstraction has 1895 states and 2791 transitions. [2022-07-20 01:22:52,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:22:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2791 transitions. [2022-07-20 01:22:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-20 01:22:52,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:52,672 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:22:52,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:22:52,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:52,673 INFO L85 PathProgramCache]: Analyzing trace with hash -432751907, now seen corresponding path program 1 times [2022-07-20 01:22:52,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:22:52,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454216801] [2022-07-20 01:22:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:22:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:22:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:22:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:22:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:22:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:22:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:22:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:22:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:22:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-20 01:22:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 01:22:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 01:22:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:22:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 01:22:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 01:22:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:22:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:22:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:22:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:22:53,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:22:53,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454216801] [2022-07-20 01:22:53,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454216801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:53,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:53,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:22:53,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820359893] [2022-07-20 01:22:53,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:53,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:22:53,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:22:53,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:22:53,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:22:53,114 INFO L87 Difference]: Start difference. First operand 1895 states and 2791 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:22:56,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:23:05,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:23:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:23:09,873 INFO L93 Difference]: Finished difference Result 5762 states and 8540 transitions. [2022-07-20 01:23:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:23:09,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-07-20 01:23:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:23:09,896 INFO L225 Difference]: With dead ends: 5762 [2022-07-20 01:23:09,897 INFO L226 Difference]: Without dead ends: 3889 [2022-07-20 01:23:09,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:23:09,907 INFO L413 NwaCegarLoop]: 2569 mSDtfsCounter, 6466 mSDsluCounter, 3761 mSDsCounter, 0 mSdLazyCounter, 10098 mSolverCounterSat, 7251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6941 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 17349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7251 IncrementalHoareTripleChecker+Valid, 10098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:23:09,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6941 Valid, 6330 Invalid, 17349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7251 Valid, 10098 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2022-07-20 01:23:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2022-07-20 01:23:10,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 3768. [2022-07-20 01:23:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 2392 states have (on average 1.3035117056856187) internal successors, (3118), 2443 states have internal predecessors, (3118), 1214 states have call successors, (1214), 159 states have call predecessors, (1214), 161 states have return successors, (1228), 1187 states have call predecessors, (1228), 1213 states have call successors, (1228) [2022-07-20 01:23:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 5560 transitions. [2022-07-20 01:23:10,131 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 5560 transitions. Word has length 192 [2022-07-20 01:23:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:23:10,132 INFO L495 AbstractCegarLoop]: Abstraction has 3768 states and 5560 transitions. [2022-07-20 01:23:10,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:23:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 5560 transitions. [2022-07-20 01:23:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-20 01:23:10,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:23:10,145 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:23:10,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:23:10,146 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:23:10,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:23:10,146 INFO L85 PathProgramCache]: Analyzing trace with hash -175051140, now seen corresponding path program 1 times [2022-07-20 01:23:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:23:10,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849402473] [2022-07-20 01:23:10,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:23:10,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:23:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:23:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:23:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:23:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:23:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:23:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:23:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:23:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 01:23:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:23:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 01:23:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 01:23:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 01:23:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 01:23:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:23:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:23:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:23:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:23:10,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849402473] [2022-07-20 01:23:10,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849402473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:23:10,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:23:10,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:23:10,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429902667] [2022-07-20 01:23:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:23:10,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:23:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:23:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:23:10,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:23:10,520 INFO L87 Difference]: Start difference. First operand 3768 states and 5560 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:23:35,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:23:35,037 INFO L93 Difference]: Finished difference Result 11494 states and 17064 transitions. [2022-07-20 01:23:35,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:23:35,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2022-07-20 01:23:35,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:23:35,079 INFO L225 Difference]: With dead ends: 11494 [2022-07-20 01:23:35,080 INFO L226 Difference]: Without dead ends: 7748 [2022-07-20 01:23:35,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:23:35,103 INFO L413 NwaCegarLoop]: 2591 mSDtfsCounter, 5446 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 13357 mSolverCounterSat, 5706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5916 SdHoareTripleChecker+Valid, 7295 SdHoareTripleChecker+Invalid, 19063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5706 IncrementalHoareTripleChecker+Valid, 13357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:23:35,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5916 Valid, 7295 Invalid, 19063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5706 Valid, 13357 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-07-20 01:23:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7748 states. [2022-07-20 01:23:35,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7748 to 7517. [2022-07-20 01:23:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7517 states, 4774 states have (on average 1.3033095936321744) internal successors, (6222), 4876 states have internal predecessors, (6222), 2419 states have call successors, (2419), 317 states have call predecessors, (2419), 323 states have return successors, (2470), 2367 states have call predecessors, (2470), 2418 states have call successors, (2470) [2022-07-20 01:23:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7517 states to 7517 states and 11111 transitions. [2022-07-20 01:23:35,406 INFO L78 Accepts]: Start accepts. Automaton has 7517 states and 11111 transitions. Word has length 195 [2022-07-20 01:23:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:23:35,407 INFO L495 AbstractCegarLoop]: Abstraction has 7517 states and 11111 transitions. [2022-07-20 01:23:35,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:23:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7517 states and 11111 transitions. [2022-07-20 01:23:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 01:23:35,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:23:35,416 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:23:35,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:23:35,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:23:35,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:23:35,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1252144224, now seen corresponding path program 1 times [2022-07-20 01:23:35,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:23:35,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509325966] [2022-07-20 01:23:35,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:23:35,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:23:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:23:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:23:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:23:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:23:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:23:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:23:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:23:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 01:23:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:23:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:23:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 01:23:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:23:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 01:23:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:23:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:23:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:23:35,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:23:35,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509325966] [2022-07-20 01:23:35,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509325966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:23:35,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:23:35,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:23:35,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529271335] [2022-07-20 01:23:35,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:23:35,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:23:35,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:23:35,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:23:35,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:23:35,731 INFO L87 Difference]: Start difference. First operand 7517 states and 11111 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:23:43,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:23:52,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:23:57,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:23:57,743 INFO L93 Difference]: Finished difference Result 22965 states and 34140 transitions. [2022-07-20 01:23:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:23:57,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 194 [2022-07-20 01:23:57,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:23:57,826 INFO L225 Difference]: With dead ends: 22965 [2022-07-20 01:23:57,827 INFO L226 Difference]: Without dead ends: 15470 [2022-07-20 01:23:57,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:23:57,862 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 5492 mSDsluCounter, 4327 mSDsCounter, 0 mSdLazyCounter, 11883 mSolverCounterSat, 5665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5964 SdHoareTripleChecker+Valid, 7007 SdHoareTripleChecker+Invalid, 17548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5665 IncrementalHoareTripleChecker+Valid, 11883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:23:57,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5964 Valid, 7007 Invalid, 17548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5665 Valid, 11883 Invalid, 0 Unknown, 0 Unchecked, 21.3s Time] [2022-07-20 01:23:57,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15470 states. [2022-07-20 01:23:58,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15470 to 15017. [2022-07-20 01:23:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15017 states, 9540 states have (on average 1.3027253668763104) internal successors, (12428), 9743 states have internal predecessors, (12428), 4828 states have call successors, (4828), 634 states have call predecessors, (4828), 648 states have return successors, (4973), 4727 states have call predecessors, (4973), 4827 states have call successors, (4973) [2022-07-20 01:23:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15017 states to 15017 states and 22229 transitions. [2022-07-20 01:23:58,549 INFO L78 Accepts]: Start accepts. Automaton has 15017 states and 22229 transitions. Word has length 194 [2022-07-20 01:23:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:23:58,550 INFO L495 AbstractCegarLoop]: Abstraction has 15017 states and 22229 transitions. [2022-07-20 01:23:58,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:23:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 15017 states and 22229 transitions. [2022-07-20 01:23:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-20 01:23:58,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:23:58,574 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:23:58,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:23:58,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:23:58,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:23:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash 786592665, now seen corresponding path program 1 times [2022-07-20 01:23:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:23:58,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38579811] [2022-07-20 01:23:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:23:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:23:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:23:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:23:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:23:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:23:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:23:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:23:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:23:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:23:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 01:23:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:23:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 01:23:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 01:23:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 01:23:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:23:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:23:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:23:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:23:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:23:58,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:23:58,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38579811] [2022-07-20 01:23:58,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38579811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:23:58,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:23:58,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:23:58,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754998833] [2022-07-20 01:23:58,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:23:58,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:23:58,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:23:58,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:23:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:23:58,885 INFO L87 Difference]: Start difference. First operand 15017 states and 22229 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:24:03,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:05,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:07,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:24:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:26,263 INFO L93 Difference]: Finished difference Result 45418 states and 67589 transitions. [2022-07-20 01:24:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:24:26,265 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2022-07-20 01:24:26,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:26,504 INFO L225 Difference]: With dead ends: 45418 [2022-07-20 01:24:26,504 INFO L226 Difference]: Without dead ends: 30423 [2022-07-20 01:24:26,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:24:26,568 INFO L413 NwaCegarLoop]: 2579 mSDtfsCounter, 5451 mSDsluCounter, 4693 mSDsCounter, 0 mSdLazyCounter, 13341 mSolverCounterSat, 5706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5921 SdHoareTripleChecker+Valid, 7272 SdHoareTripleChecker+Invalid, 19047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5706 IncrementalHoareTripleChecker+Valid, 13341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:26,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5921 Valid, 7272 Invalid, 19047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5706 Valid, 13341 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2022-07-20 01:24:26,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30423 states. [2022-07-20 01:24:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30423 to 29567. [2022-07-20 01:24:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29567 states, 18763 states have (on average 1.3006448862122262) internal successors, (24404), 19159 states have internal predecessors, (24404), 9519 states have call successors, (9519), 1254 states have call predecessors, (9519), 1284 states have return successors, (9890), 9324 states have call predecessors, (9890), 9518 states have call successors, (9890) [2022-07-20 01:24:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29567 states to 29567 states and 43813 transitions. [2022-07-20 01:24:27,944 INFO L78 Accepts]: Start accepts. Automaton has 29567 states and 43813 transitions. Word has length 193 [2022-07-20 01:24:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:27,944 INFO L495 AbstractCegarLoop]: Abstraction has 29567 states and 43813 transitions. [2022-07-20 01:24:27,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 01:24:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29567 states and 43813 transitions. [2022-07-20 01:24:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-20 01:24:27,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:27,954 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:24:27,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:24:27,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash -549942853, now seen corresponding path program 1 times [2022-07-20 01:24:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:27,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250276404] [2022-07-20 01:24:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:24:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:24:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:24:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 01:24:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 01:24:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 01:24:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:24:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 01:24:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:24:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:24:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:24:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-07-20 01:24:28,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:28,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250276404] [2022-07-20 01:24:28,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250276404] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:24:28,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091091592] [2022-07-20 01:24:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:24:28,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:24:28,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 01:24:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:29,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:24:29,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:24:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:29,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:24:29,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091091592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:29,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:24:29,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-07-20 01:24:29,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542536484] [2022-07-20 01:24:29,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:29,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:24:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:29,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:24:29,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:24:29,282 INFO L87 Difference]: Start difference. First operand 29567 states and 43813 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:30,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:30,684 INFO L93 Difference]: Finished difference Result 73843 states and 109465 transitions. [2022-07-20 01:24:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:24:30,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 205 [2022-07-20 01:24:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:30,983 INFO L225 Difference]: With dead ends: 73843 [2022-07-20 01:24:30,983 INFO L226 Difference]: Without dead ends: 44298 [2022-07-20 01:24:31,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-07-20 01:24:31,120 INFO L413 NwaCegarLoop]: 4145 mSDtfsCounter, 2816 mSDsluCounter, 19332 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 23477 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:31,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 23477 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:24:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44298 states. [2022-07-20 01:24:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44298 to 44149. [2022-07-20 01:24:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44149 states, 28019 states have (on average 1.3008315785716835) internal successors, (36448), 28619 states have internal predecessors, (36448), 14206 states have call successors, (14206), 1870 states have call predecessors, (14206), 1923 states have return successors, (14853), 13913 states have call predecessors, (14853), 14205 states have call successors, (14853) [2022-07-20 01:24:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44149 states to 44149 states and 65507 transitions. [2022-07-20 01:24:33,057 INFO L78 Accepts]: Start accepts. Automaton has 44149 states and 65507 transitions. Word has length 205 [2022-07-20 01:24:33,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:33,058 INFO L495 AbstractCegarLoop]: Abstraction has 44149 states and 65507 transitions. [2022-07-20 01:24:33,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 44149 states and 65507 transitions. [2022-07-20 01:24:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 01:24:33,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:33,072 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:24:33,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:24:33,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-20 01:24:33,297 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:33,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:33,297 INFO L85 PathProgramCache]: Analyzing trace with hash -69802300, now seen corresponding path program 1 times [2022-07-20 01:24:33,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:33,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562948387] [2022-07-20 01:24:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:33,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:24:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:24:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 01:24:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 01:24:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 01:24:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 01:24:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 01:24:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 01:24:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:24:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 01:24:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:24:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:33,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:33,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562948387] [2022-07-20 01:24:33,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562948387] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:24:33,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028861777] [2022-07-20 01:24:33,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:33,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:24:33,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:24:33,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 01:24:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:34,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 3328 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:24:34,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:24:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:34,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:24:34,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028861777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:34,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:24:34,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-07-20 01:24:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127985856] [2022-07-20 01:24:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:34,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:24:34,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:24:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:24:34,829 INFO L87 Difference]: Start difference. First operand 44149 states and 65507 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:36,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:36,706 INFO L93 Difference]: Finished difference Result 103060 states and 152899 transitions. [2022-07-20 01:24:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:24:36,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 206 [2022-07-20 01:24:36,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:37,222 INFO L225 Difference]: With dead ends: 103060 [2022-07-20 01:24:37,223 INFO L226 Difference]: Without dead ends: 58933 [2022-07-20 01:24:37,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-07-20 01:24:37,371 INFO L413 NwaCegarLoop]: 4219 mSDtfsCounter, 2816 mSDsluCounter, 19616 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 23835 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:37,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 23835 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:24:37,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58933 states. [2022-07-20 01:24:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58933 to 58763. [2022-07-20 01:24:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58763 states, 37295 states have (on average 1.300764177503687) internal successors, (48512), 38115 states have internal predecessors, (48512), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2574 states have return successors, (19828), 18498 states have call predecessors, (19828), 18892 states have call successors, (19828) [2022-07-20 01:24:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58763 states to 58763 states and 87233 transitions. [2022-07-20 01:24:40,257 INFO L78 Accepts]: Start accepts. Automaton has 58763 states and 87233 transitions. Word has length 206 [2022-07-20 01:24:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:40,258 INFO L495 AbstractCegarLoop]: Abstraction has 58763 states and 87233 transitions. [2022-07-20 01:24:40,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 58763 states and 87233 transitions. [2022-07-20 01:24:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-20 01:24:40,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:40,277 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:24:40,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:24:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-20 01:24:40,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash -176691806, now seen corresponding path program 1 times [2022-07-20 01:24:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:40,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315657749] [2022-07-20 01:24:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:40,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:24:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:24:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 01:24:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:24:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 01:24:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:24:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 01:24:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 01:24:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:24:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 01:24:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:24:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:41,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:41,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315657749] [2022-07-20 01:24:41,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315657749] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:24:41,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616887825] [2022-07-20 01:24:41,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:24:41,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:24:41,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 01:24:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:24:41,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:24:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:41,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:24:41,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616887825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:41,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:24:41,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-07-20 01:24:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716762898] [2022-07-20 01:24:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:41,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:24:41,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:24:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:24:41,849 INFO L87 Difference]: Start difference. First operand 58763 states and 87233 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:44,328 INFO L93 Difference]: Finished difference Result 132277 states and 196333 transitions. [2022-07-20 01:24:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:24:44,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 207 [2022-07-20 01:24:44,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:44,760 INFO L225 Difference]: With dead ends: 132277 [2022-07-20 01:24:44,761 INFO L226 Difference]: Without dead ends: 73536 [2022-07-20 01:24:44,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-07-20 01:24:44,955 INFO L413 NwaCegarLoop]: 4220 mSDtfsCounter, 2816 mSDsluCounter, 19620 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 23840 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:44,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 23840 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:24:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73536 states. [2022-07-20 01:24:47,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73536 to 58785. [2022-07-20 01:24:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58785 states, 37311 states have (on average 1.3006352014151323) internal successors, (48528), 38133 states have internal predecessors, (48528), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2580 states have return successors, (19837), 18502 states have call predecessors, (19837), 18892 states have call successors, (19837) [2022-07-20 01:24:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58785 states to 58785 states and 87258 transitions. [2022-07-20 01:24:47,691 INFO L78 Accepts]: Start accepts. Automaton has 58785 states and 87258 transitions. Word has length 207 [2022-07-20 01:24:47,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:47,692 INFO L495 AbstractCegarLoop]: Abstraction has 58785 states and 87258 transitions. [2022-07-20 01:24:47,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 58785 states and 87258 transitions. [2022-07-20 01:24:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-20 01:24:47,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:47,713 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-20 01:24:47,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:24:47,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:47,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:47,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:47,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1301643957, now seen corresponding path program 1 times [2022-07-20 01:24:47,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:47,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578579053] [2022-07-20 01:24:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:47,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:24:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:24:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 01:24:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 01:24:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 01:24:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:24:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:24:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 01:24:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 01:24:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:24:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:24:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:48,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578579053] [2022-07-20 01:24:48,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578579053] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:24:48,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663621131] [2022-07-20 01:24:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:48,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:24:48,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:24:48,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 01:24:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:49,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 3332 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:24:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:24:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-07-20 01:24:49,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:24:49,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663621131] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:24:49,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:24:49,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-07-20 01:24:49,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119381823] [2022-07-20 01:24:49,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:24:49,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:24:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:24:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:24:49,303 INFO L87 Difference]: Start difference. First operand 58785 states and 87258 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:24:51,632 INFO L93 Difference]: Finished difference Result 132307 states and 196366 transitions. [2022-07-20 01:24:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:24:51,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 208 [2022-07-20 01:24:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:24:52,177 INFO L225 Difference]: With dead ends: 132307 [2022-07-20 01:24:52,177 INFO L226 Difference]: Without dead ends: 73544 [2022-07-20 01:24:52,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-07-20 01:24:52,367 INFO L413 NwaCegarLoop]: 4220 mSDtfsCounter, 2816 mSDsluCounter, 19620 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 23840 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:24:52,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 23840 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:24:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73544 states. [2022-07-20 01:24:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73544 to 58798. [2022-07-20 01:24:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58798 states, 37321 states have (on average 1.3005546475174834) internal successors, (48538), 38142 states have internal predecessors, (48538), 18893 states have call successors, (18893), 2486 states have call predecessors, (18893), 2583 states have return successors, (19840), 18506 states have call predecessors, (19840), 18892 states have call successors, (19840) [2022-07-20 01:24:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58798 states to 58798 states and 87271 transitions. [2022-07-20 01:24:55,509 INFO L78 Accepts]: Start accepts. Automaton has 58798 states and 87271 transitions. Word has length 208 [2022-07-20 01:24:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:24:55,509 INFO L495 AbstractCegarLoop]: Abstraction has 58798 states and 87271 transitions. [2022-07-20 01:24:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 01:24:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 58798 states and 87271 transitions. [2022-07-20 01:24:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-20 01:24:55,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:24:55,530 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-20 01:24:55,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-20 01:24:55,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:55,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:24:55,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:24:55,744 INFO L85 PathProgramCache]: Analyzing trace with hash -561825244, now seen corresponding path program 1 times [2022-07-20 01:24:55,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:24:55,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189254654] [2022-07-20 01:24:55,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:55,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:24:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:24:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:24:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:24:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:24:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:24:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:24:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 01:24:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 01:24:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 01:24:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 01:24:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:24:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:24:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 01:24:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:24:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:24:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:24:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:24:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 01:24:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:24:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-07-20 01:24:56,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:24:56,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189254654] [2022-07-20 01:24:56,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189254654] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:24:56,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887709504] [2022-07-20 01:24:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:24:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:24:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:24:56,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:24:56,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 01:24:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:24:56,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 3439 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-20 01:24:56,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:24:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-07-20 01:24:56,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:24:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-07-20 01:24:57,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887709504] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:24:57,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 01:24:57,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-07-20 01:24:57,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093448098] [2022-07-20 01:24:57,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 01:24:57,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-20 01:24:57,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:24:57,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-20 01:24:57,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-07-20 01:24:57,248 INFO L87 Difference]: Start difference. First operand 58798 states and 87271 transitions. Second operand has 24 states, 24 states have (on average 6.75) internal successors, (162), 15 states have internal predecessors, (162), 5 states have call successors, (49), 9 states have call predecessors, (49), 7 states have return successors, (41), 6 states have call predecessors, (41), 5 states have call successors, (41) [2022-07-20 01:25:18,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:21,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:31,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:32,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:33,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:35,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:36,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:38,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:40,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:41,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:42,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:44,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:46,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:47,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:49,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:50,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:25:52,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:26:41,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []