./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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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--ethernet--amd--amd8111e.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 f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:26:29,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:26:29,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:26:29,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:26:29,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:26:29,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:26:29,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:26:29,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:26:29,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:26:29,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:26:29,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:26:29,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:26:29,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:26:29,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:26:29,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:26:29,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:26:29,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:26:29,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:26:29,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:26:29,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:26:29,883 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:26:29,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:26:29,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:26:29,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:26:29,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:26:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:26:29,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:26:29,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:26:29,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:26:29,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:26:29,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:26:29,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:26:29,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:26:29,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:26:29,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:26:29,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:26:29,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:26:29,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:26:29,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:26:29,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:26:29,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:26:29,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:26:29,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:26:29,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:26:29,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:26:29,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:26:29,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:26:29,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:26:29,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:26:29,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:26:29,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:26:29,947 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:26:29,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:26:29,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:26:29,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:26:29,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:26:29,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:26:29,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:26:29,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:26:29,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:26:29,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:26:29,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:26:29,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:26:29,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:26:29,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:26:29,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:26:29,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:26:29,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:26:29,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2022-07-23 01:26:30,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:26:30,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:26:30,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:26:30,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:26:30,231 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:26:30,232 INFO L432 ainManager$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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-07-23 01:26:30,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2729c2e7/2579da1fda514726abea5e6b385a80a5/FLAG197919413 [2022-07-23 01:26:31,188 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:26:31,189 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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-07-23 01:26:31,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2729c2e7/2579da1fda514726abea5e6b385a80a5/FLAG197919413 [2022-07-23 01:26:31,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2729c2e7/2579da1fda514726abea5e6b385a80a5 [2022-07-23 01:26:31,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:26:31,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:26:31,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:26:31,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:26:31,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:26:31,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:26:31" (1/1) ... [2022-07-23 01:26:31,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b613f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:31, skipping insertion in model container [2022-07-23 01:26:31,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:26:31" (1/1) ... [2022-07-23 01:26:31,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:26:31,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:26:33,488 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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-07-23 01:26:33,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:26:33,583 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:26:33,864 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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-07-23 01:26:33,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:26:34,026 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:26:34,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34 WrapperNode [2022-07-23 01:26:34,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:26:34,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:26:34,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:26:34,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:26:34,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,314 INFO L137 Inliner]: procedures = 278, calls = 1469, calls flagged for inlining = 144, calls inlined = 134, statements flattened = 3722 [2022-07-23 01:26:34,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:26:34,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:26:34,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:26:34,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:26:34,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:26:34,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:26:34,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:26:34,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:26:34,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (1/1) ... [2022-07-23 01:26:34,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:26:34,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:26:34,725 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) [2022-07-23 01:26:34,753 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 [2022-07-23 01:26:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-07-23 01:26:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-07-23 01:26:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:26:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:26:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 01:26:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 01:26:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:26:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:26:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-07-23 01:26:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-07-23 01:26:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:26:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:26:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 01:26:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 01:26:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:26:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:26:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 01:26:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 01:26:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:26:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:26:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-07-23 01:26:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-07-23 01:26:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:26:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:26:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-07-23 01:26:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-07-23 01:26:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 01:26:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 01:26:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-07-23 01:26:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-07-23 01:26:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 01:26:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 01:26:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:26:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:26:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 01:26:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 01:26:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 01:26:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 01:26:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:26:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:26:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-07-23 01:26:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-07-23 01:26:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:26:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:26:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:26:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:26:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 01:26:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 01:26:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 01:26:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 01:26:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 01:26:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 01:26:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:26:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 01:26:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 01:26:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 01:26:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 01:26:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:26:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 01:26:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 01:26:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 01:26:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 01:26:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:26:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:26:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-07-23 01:26:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-07-23 01:26:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:26:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:26:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:26:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:26:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 01:26:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 01:26:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 01:26:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 01:26:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-07-23 01:26:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-07-23 01:26:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:26:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:26:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-07-23 01:26:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-07-23 01:26:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-07-23 01:26:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-07-23 01:26:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:26:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:26:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:26:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:26:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-07-23 01:26:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-07-23 01:26:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:26:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 01:26:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 01:26:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-07-23 01:26:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-07-23 01:26:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-07-23 01:26:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-07-23 01:26:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:26:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-07-23 01:26:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-07-23 01:26:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 01:26:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 01:26:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:26:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:26:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:26:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 01:26:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 01:26:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 01:26:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 01:26:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:26:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:26:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:26:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:26:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2022-07-23 01:26:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2022-07-23 01:26:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 01:26:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 01:26:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:26:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 01:26:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 01:26:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-23 01:26:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-23 01:26:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-07-23 01:26:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-07-23 01:26:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 01:26:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 01:26:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:26:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:26:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2022-07-23 01:26:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2022-07-23 01:26:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-07-23 01:26:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-07-23 01:26:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:26:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:26:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:26:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-07-23 01:26:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-07-23 01:26:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-07-23 01:26:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-07-23 01:26:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:26:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:26:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:26:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 01:26:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 01:26:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:26:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:26:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:26:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-23 01:26:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-23 01:26:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-07-23 01:26:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-07-23 01:26:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2022-07-23 01:26:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2022-07-23 01:26:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 01:26:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 01:26:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-07-23 01:26:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-07-23 01:26:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 01:26:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 01:26:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-07-23 01:26:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-07-23 01:26:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 01:26:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 01:26:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 01:26:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 01:26:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-07-23 01:26:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-07-23 01:26:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 01:26:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 01:26:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 01:26:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 01:26:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:26:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-23 01:26:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-23 01:26:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-23 01:26:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-23 01:26:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:26:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:26:35,662 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:26:35,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:26:36,241 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:26:37,963 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:26:37,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:26:37,979 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 01:26:37,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:26:37 BoogieIcfgContainer [2022-07-23 01:26:37,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:26:37,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:26:37,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:26:37,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:26:37,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:26:31" (1/3) ... [2022-07-23 01:26:37,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee45fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:26:37, skipping insertion in model container [2022-07-23 01:26:37,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:26:34" (2/3) ... [2022-07-23 01:26:37,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee45fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:26:37, skipping insertion in model container [2022-07-23 01:26:37,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:26:37" (3/3) ... [2022-07-23 01:26:37,992 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-07-23 01:26:38,006 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:26:38,007 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:26:38,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:26:38,092 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@2350295d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43752f82 [2022-07-23 01:26:38,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:26:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 1553 states, 1051 states have (on average 1.3368220742150334) internal successors, (1405), 1078 states have internal predecessors, (1405), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) [2022-07-23 01:26:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-23 01:26:38,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:26:38,170 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:26:38,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:26:38,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:26:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash -970441968, now seen corresponding path program 1 times [2022-07-23 01:26:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:26:38,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252615288] [2022-07-23 01:26:38,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:26:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:26:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:26:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:26:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:26:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:26:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:26:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:26:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:26:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:26:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:26:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:26:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 01:26:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 01:26:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 01:26:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:26:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 01:26:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 01:26:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 01:26:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-23 01:26:39,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:26:39,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252615288] [2022-07-23 01:26:39,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252615288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:26:39,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:26:39,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:26:39,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070460246] [2022-07-23 01:26:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:26:39,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:26:39,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:26:39,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:26:39,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:26:39,255 INFO L87 Difference]: Start difference. First operand has 1553 states, 1051 states have (on average 1.3368220742150334) internal successors, (1405), 1078 states have internal predecessors, (1405), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:26:43,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:26:43,244 INFO L93 Difference]: Finished difference Result 3245 states and 4753 transitions. [2022-07-23 01:26:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:26:43,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 221 [2022-07-23 01:26:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:26:43,276 INFO L225 Difference]: With dead ends: 3245 [2022-07-23 01:26:43,277 INFO L226 Difference]: Without dead ends: 1673 [2022-07-23 01:26:43,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:26:43,295 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 1384 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1457 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1648 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:26:43,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1457 Valid, 4206 Invalid, 3636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1648 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-23 01:26:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-07-23 01:26:43,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1529. [2022-07-23 01:26:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1036 states have (on average 1.2934362934362935) internal successors, (1340), 1054 states have internal predecessors, (1340), 414 states have call successors, (414), 79 states have call predecessors, (414), 78 states have return successors, (413), 408 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 01:26:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2167 transitions. [2022-07-23 01:26:43,462 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2167 transitions. Word has length 221 [2022-07-23 01:26:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:26:43,462 INFO L495 AbstractCegarLoop]: Abstraction has 1529 states and 2167 transitions. [2022-07-23 01:26:43,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:26:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2167 transitions. [2022-07-23 01:26:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-23 01:26:43,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:26:43,474 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:26:43,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:26:43,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:26:43,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:26:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1135072450, now seen corresponding path program 1 times [2022-07-23 01:26:43,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:26:43,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482202100] [2022-07-23 01:26:43,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:26:43,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:26:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:26:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:26:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:26:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:26:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:26:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:26:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:26:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:26:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:26:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:26:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 01:26:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 01:26:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 01:26:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:26:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 01:26:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 01:26:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 01:26:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-23 01:26:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:26:44,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482202100] [2022-07-23 01:26:44,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482202100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:26:44,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:26:44,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:26:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573193455] [2022-07-23 01:26:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:26:44,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:26:44,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:26:44,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:26:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:26:44,054 INFO L87 Difference]: Start difference. First operand 1529 states and 2167 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:26:50,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:26:50,882 INFO L93 Difference]: Finished difference Result 4239 states and 6012 transitions. [2022-07-23 01:26:50,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:26:50,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 221 [2022-07-23 01:26:50,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:26:50,900 INFO L225 Difference]: With dead ends: 4239 [2022-07-23 01:26:50,900 INFO L226 Difference]: Without dead ends: 2738 [2022-07-23 01:26:50,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:26:50,908 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 3076 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 4873 mSolverCounterSat, 2775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 6066 SdHoareTripleChecker+Invalid, 7648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2775 IncrementalHoareTripleChecker+Valid, 4873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:26:50,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 6066 Invalid, 7648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2775 Valid, 4873 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-23 01:26:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2022-07-23 01:26:51,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 2507. [2022-07-23 01:26:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1729 states have (on average 1.2967032967032968) internal successors, (2242), 1760 states have internal predecessors, (2242), 640 states have call successors, (640), 138 states have call predecessors, (640), 137 states have return successors, (643), 628 states have call predecessors, (643), 639 states have call successors, (643) [2022-07-23 01:26:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3525 transitions. [2022-07-23 01:26:51,034 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3525 transitions. Word has length 221 [2022-07-23 01:26:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:26:51,035 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3525 transitions. [2022-07-23 01:26:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:26:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3525 transitions. [2022-07-23 01:26:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-23 01:26:51,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:26:51,043 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:26:51,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:26:51,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:26:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:26:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1105569390, now seen corresponding path program 1 times [2022-07-23 01:26:51,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:26:51,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643950683] [2022-07-23 01:26:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:26:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:26:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:26:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:26:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:26:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:26:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:26:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:26:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:26:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:26:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:26:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:26:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 01:26:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 01:26:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 01:26:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 01:26:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 01:26:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:26:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 01:26:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 01:26:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:26:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 01:26:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 01:26:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 01:26:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-23 01:26:51,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:26:51,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643950683] [2022-07-23 01:26:51,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643950683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:26:51,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:26:51,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:26:51,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861731564] [2022-07-23 01:26:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:26:51,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:26:51,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:26:51,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:26:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:26:51,614 INFO L87 Difference]: Start difference. First operand 2507 states and 3525 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 01:26:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:26:57,476 INFO L93 Difference]: Finished difference Result 7020 states and 9961 transitions. [2022-07-23 01:26:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:26:57,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2022-07-23 01:26:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:26:57,512 INFO L225 Difference]: With dead ends: 7020 [2022-07-23 01:26:57,512 INFO L226 Difference]: Without dead ends: 4541 [2022-07-23 01:26:57,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:26:57,569 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 3662 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 2963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 6580 SdHoareTripleChecker+Invalid, 7209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2963 IncrementalHoareTripleChecker+Valid, 4246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:26:57,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 6580 Invalid, 7209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2963 Valid, 4246 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-23 01:26:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4541 states. [2022-07-23 01:26:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4541 to 4128. [2022-07-23 01:26:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 2845 states have (on average 1.3012302284710018) internal successors, (3702), 2899 states have internal predecessors, (3702), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-07-23 01:26:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5827 transitions. [2022-07-23 01:26:57,784 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5827 transitions. Word has length 253 [2022-07-23 01:26:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:26:57,785 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 5827 transitions. [2022-07-23 01:26:57,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 01:26:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5827 transitions. [2022-07-23 01:26:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-23 01:26:57,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:26:57,796 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:26:57,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:26:57,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:26:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:26:57,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1662215103, now seen corresponding path program 1 times [2022-07-23 01:26:57,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:26:57,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662736206] [2022-07-23 01:26:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:26:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:26:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:26:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:26:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:26:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:26:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:26:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:26:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:26:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:26:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:26:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:26:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:26:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:26:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 01:26:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:26:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 01:26:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 01:26:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 01:26:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 01:26:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 01:26:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 01:26:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 01:26:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:26:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 01:26:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:26:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:26:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:26:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-23 01:26:58,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:26:58,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662736206] [2022-07-23 01:26:58,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662736206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:26:58,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:26:58,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:26:58,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610311575] [2022-07-23 01:26:58,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:26:58,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:26:58,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:26:58,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:26:58,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:26:58,459 INFO L87 Difference]: Start difference. First operand 4128 states and 5827 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:27:02,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:02,246 INFO L93 Difference]: Finished difference Result 8622 states and 12244 transitions. [2022-07-23 01:27:02,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 01:27:02,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 282 [2022-07-23 01:27:02,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:02,282 INFO L225 Difference]: With dead ends: 8622 [2022-07-23 01:27:02,283 INFO L226 Difference]: Without dead ends: 4536 [2022-07-23 01:27:02,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:27:02,306 INFO L413 NwaCegarLoop]: 1945 mSDtfsCounter, 3155 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 2153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 4148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2153 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:02,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 4041 Invalid, 4148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2153 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 01:27:02,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2022-07-23 01:27:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 4128. [2022-07-23 01:27:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 2845 states have (on average 1.3005272407732864) internal successors, (3700), 2899 states have internal predecessors, (3700), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-07-23 01:27:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5825 transitions. [2022-07-23 01:27:02,582 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5825 transitions. Word has length 282 [2022-07-23 01:27:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:02,584 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 5825 transitions. [2022-07-23 01:27:02,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:27:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5825 transitions. [2022-07-23 01:27:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-23 01:27:02,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:02,595 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:02,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:27:02,595 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:02,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:02,596 INFO L85 PathProgramCache]: Analyzing trace with hash -826749785, now seen corresponding path program 1 times [2022-07-23 01:27:02,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:02,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379227279] [2022-07-23 01:27:02,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:02,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 01:27:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 01:27:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 01:27:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:27:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 01:27:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 01:27:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 01:27:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 01:27:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 01:27:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:27:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 01:27:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 01:27:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 01:27:03,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:03,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379227279] [2022-07-23 01:27:03,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379227279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:03,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:03,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:27:03,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3413426] [2022-07-23 01:27:03,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:03,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:27:03,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:03,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:27:03,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:27:03,332 INFO L87 Difference]: Start difference. First operand 4128 states and 5825 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 01:27:10,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:10,072 INFO L93 Difference]: Finished difference Result 10517 states and 14972 transitions. [2022-07-23 01:27:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:27:10,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 331 [2022-07-23 01:27:10,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:10,107 INFO L225 Difference]: With dead ends: 10517 [2022-07-23 01:27:10,108 INFO L226 Difference]: Without dead ends: 6431 [2022-07-23 01:27:10,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:27:10,124 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 3085 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4786 mSolverCounterSat, 2515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3375 SdHoareTripleChecker+Valid, 7952 SdHoareTripleChecker+Invalid, 7301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2515 IncrementalHoareTripleChecker+Valid, 4786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:10,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3375 Valid, 7952 Invalid, 7301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2515 Valid, 4786 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-23 01:27:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6431 states. [2022-07-23 01:27:10,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6431 to 5827. [2022-07-23 01:27:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5827 states, 4030 states have (on average 1.3022332506203473) internal successors, (5248), 4107 states have internal predecessors, (5248), 1486 states have call successors, (1486), 311 states have call predecessors, (1486), 310 states have return successors, (1489), 1459 states have call predecessors, (1489), 1485 states have call successors, (1489) [2022-07-23 01:27:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5827 states to 5827 states and 8223 transitions. [2022-07-23 01:27:10,401 INFO L78 Accepts]: Start accepts. Automaton has 5827 states and 8223 transitions. Word has length 331 [2022-07-23 01:27:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:10,401 INFO L495 AbstractCegarLoop]: Abstraction has 5827 states and 8223 transitions. [2022-07-23 01:27:10,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 01:27:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 5827 states and 8223 transitions. [2022-07-23 01:27:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-07-23 01:27:10,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:10,415 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:10,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 01:27:10,416 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1206640575, now seen corresponding path program 1 times [2022-07-23 01:27:10,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:10,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190456882] [2022-07-23 01:27:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 01:27:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 01:27:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 01:27:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:27:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 01:27:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:27:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 01:27:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 01:27:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 01:27:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 01:27:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 01:27:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2022-07-23 01:27:11,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:11,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190456882] [2022-07-23 01:27:11,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190456882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:11,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:11,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:27:11,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351797520] [2022-07-23 01:27:11,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:11,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:27:11,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:11,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:27:11,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:27:11,147 INFO L87 Difference]: Start difference. First operand 5827 states and 8223 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 01:27:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:18,070 INFO L93 Difference]: Finished difference Result 14111 states and 20059 transitions. [2022-07-23 01:27:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:27:18,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 345 [2022-07-23 01:27:18,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:18,123 INFO L225 Difference]: With dead ends: 14111 [2022-07-23 01:27:18,123 INFO L226 Difference]: Without dead ends: 8326 [2022-07-23 01:27:18,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:27:18,154 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3539 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 4549 mSolverCounterSat, 2968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3837 SdHoareTripleChecker+Valid, 6937 SdHoareTripleChecker+Invalid, 7517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2968 IncrementalHoareTripleChecker+Valid, 4549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:18,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3837 Valid, 6937 Invalid, 7517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2968 Valid, 4549 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-23 01:27:18,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2022-07-23 01:27:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 7543. [2022-07-23 01:27:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7543 states, 5226 states have (on average 1.302334481438959) internal successors, (6806), 5327 states have internal predecessors, (6806), 1911 states have call successors, (1911), 406 states have call predecessors, (1911), 405 states have return successors, (1914), 1876 states have call predecessors, (1914), 1910 states have call successors, (1914) [2022-07-23 01:27:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7543 states to 7543 states and 10631 transitions. [2022-07-23 01:27:18,533 INFO L78 Accepts]: Start accepts. Automaton has 7543 states and 10631 transitions. Word has length 345 [2022-07-23 01:27:18,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:18,537 INFO L495 AbstractCegarLoop]: Abstraction has 7543 states and 10631 transitions. [2022-07-23 01:27:18,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 01:27:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7543 states and 10631 transitions. [2022-07-23 01:27:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-23 01:27:18,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:18,622 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:18,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 01:27:18,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:18,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2133201862, now seen corresponding path program 1 times [2022-07-23 01:27:18,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:18,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665509518] [2022-07-23 01:27:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:18,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:27:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:27:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:27:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 01:27:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 01:27:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 01:27:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:27:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 01:27:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:27:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 01:27:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 01:27:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:27:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 01:27:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 01:27:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-07-23 01:27:19,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:19,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665509518] [2022-07-23 01:27:19,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665509518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:19,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:19,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:27:19,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137665804] [2022-07-23 01:27:19,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:19,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:27:19,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:19,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:27:19,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:27:19,283 INFO L87 Difference]: Start difference. First operand 7543 states and 10631 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:24,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:24,119 INFO L93 Difference]: Finished difference Result 18301 states and 26559 transitions. [2022-07-23 01:27:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 01:27:24,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 377 [2022-07-23 01:27:24,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:24,176 INFO L225 Difference]: With dead ends: 18301 [2022-07-23 01:27:24,177 INFO L226 Difference]: Without dead ends: 10800 [2022-07-23 01:27:24,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:27:24,208 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 2033 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 3645 mSolverCounterSat, 1666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1666 IncrementalHoareTripleChecker+Valid, 3645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:24,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 7685 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1666 Valid, 3645 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 01:27:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-07-23 01:27:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 7545. [2022-07-23 01:27:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7545 states, 5228 states have (on average 1.3022188217291508) internal successors, (6808), 5329 states have internal predecessors, (6808), 1911 states have call successors, (1911), 406 states have call predecessors, (1911), 405 states have return successors, (1914), 1876 states have call predecessors, (1914), 1910 states have call successors, (1914) [2022-07-23 01:27:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7545 states to 7545 states and 10633 transitions. [2022-07-23 01:27:24,675 INFO L78 Accepts]: Start accepts. Automaton has 7545 states and 10633 transitions. Word has length 377 [2022-07-23 01:27:24,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:24,675 INFO L495 AbstractCegarLoop]: Abstraction has 7545 states and 10633 transitions. [2022-07-23 01:27:24,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 7545 states and 10633 transitions. [2022-07-23 01:27:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-23 01:27:24,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:24,696 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:24,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 01:27:24,696 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:24,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:24,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1040566660, now seen corresponding path program 1 times [2022-07-23 01:27:24,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:24,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816059841] [2022-07-23 01:27:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:24,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:27:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:27:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:27:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 01:27:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 01:27:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 01:27:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:27:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 01:27:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:27:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 01:27:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 01:27:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:27:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 01:27:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 01:27:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-07-23 01:27:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:25,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816059841] [2022-07-23 01:27:25,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816059841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:25,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:25,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:27:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379542137] [2022-07-23 01:27:25,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:25,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:27:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:27:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:27:25,256 INFO L87 Difference]: Start difference. First operand 7545 states and 10633 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:30,637 INFO L93 Difference]: Finished difference Result 18142 states and 25705 transitions. [2022-07-23 01:27:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:27:30,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 377 [2022-07-23 01:27:30,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:30,691 INFO L225 Difference]: With dead ends: 18142 [2022-07-23 01:27:30,692 INFO L226 Difference]: Without dead ends: 10639 [2022-07-23 01:27:30,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:27:30,722 INFO L413 NwaCegarLoop]: 3307 mSDtfsCounter, 3655 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 3476 mSolverCounterSat, 3374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3936 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 6850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3374 IncrementalHoareTripleChecker+Valid, 3476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:30,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3936 Valid, 7069 Invalid, 6850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3374 Valid, 3476 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 01:27:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10639 states. [2022-07-23 01:27:31,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10639 to 9636. [2022-07-23 01:27:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9636 states, 6674 states have (on average 1.2987713515133352) internal successors, (8668), 6802 states have internal predecessors, (8668), 2431 states have call successors, (2431), 531 states have call predecessors, (2431), 530 states have return successors, (2434), 2387 states have call predecessors, (2434), 2430 states have call successors, (2434) [2022-07-23 01:27:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9636 states to 9636 states and 13533 transitions. [2022-07-23 01:27:31,190 INFO L78 Accepts]: Start accepts. Automaton has 9636 states and 13533 transitions. Word has length 377 [2022-07-23 01:27:31,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:31,191 INFO L495 AbstractCegarLoop]: Abstraction has 9636 states and 13533 transitions. [2022-07-23 01:27:31,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 9636 states and 13533 transitions. [2022-07-23 01:27:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-23 01:27:31,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:31,211 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:31,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 01:27:31,211 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1055743540, now seen corresponding path program 1 times [2022-07-23 01:27:31,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:31,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596845694] [2022-07-23 01:27:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:27:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:27:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:27:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 01:27:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 01:27:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 01:27:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:27:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 01:27:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:27:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 01:27:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:27:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 01:27:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:27:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 01:27:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-07-23 01:27:31,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:31,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596845694] [2022-07-23 01:27:31,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596845694] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:31,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:31,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:27:31,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097747427] [2022-07-23 01:27:31,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:31,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:27:31,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:31,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:27:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:27:31,784 INFO L87 Difference]: Start difference. First operand 9636 states and 13533 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:36,081 INFO L93 Difference]: Finished difference Result 20403 states and 28892 transitions. [2022-07-23 01:27:36,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:27:36,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2022-07-23 01:27:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:36,137 INFO L225 Difference]: With dead ends: 20403 [2022-07-23 01:27:36,138 INFO L226 Difference]: Without dead ends: 10809 [2022-07-23 01:27:36,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:27:36,178 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 1390 mSDsluCounter, 3887 mSDsCounter, 0 mSdLazyCounter, 3748 mSolverCounterSat, 1655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 5837 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1655 IncrementalHoareTripleChecker+Valid, 3748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:36,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 5837 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1655 Valid, 3748 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 01:27:36,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10809 states. [2022-07-23 01:27:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10809 to 9650. [2022-07-23 01:27:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9650 states, 6688 states have (on average 1.298145933014354) internal successors, (8682), 6816 states have internal predecessors, (8682), 2431 states have call successors, (2431), 531 states have call predecessors, (2431), 530 states have return successors, (2434), 2387 states have call predecessors, (2434), 2430 states have call successors, (2434) [2022-07-23 01:27:36,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9650 states to 9650 states and 13547 transitions. [2022-07-23 01:27:36,727 INFO L78 Accepts]: Start accepts. Automaton has 9650 states and 13547 transitions. Word has length 378 [2022-07-23 01:27:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:36,728 INFO L495 AbstractCegarLoop]: Abstraction has 9650 states and 13547 transitions. [2022-07-23 01:27:36,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:27:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 9650 states and 13547 transitions. [2022-07-23 01:27:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-23 01:27:36,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:36,750 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 01:27:36,750 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2061750036, now seen corresponding path program 1 times [2022-07-23 01:27:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:36,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569757310] [2022-07-23 01:27:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:27:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:27:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:27:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 01:27:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 01:27:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 01:27:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:27:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 01:27:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:27:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 01:27:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:27:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 01:27:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:27:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 01:27:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2022-07-23 01:27:37,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:37,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569757310] [2022-07-23 01:27:37,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569757310] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:27:37,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992323862] [2022-07-23 01:27:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:37,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:27:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:27:37,267 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) [2022-07-23 01:27:37,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 01:27:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:38,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 3193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:27:38,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:27:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2022-07-23 01:27:38,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:27:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2022-07-23 01:27:38,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992323862] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:27:38,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:27:38,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2022-07-23 01:27:38,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693532937] [2022-07-23 01:27:38,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:27:38,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:27:38,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:27:38,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:27:38,550 INFO L87 Difference]: Start difference. First operand 9650 states and 13547 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 01:27:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:43,904 INFO L93 Difference]: Finished difference Result 20893 states and 29613 transitions. [2022-07-23 01:27:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 01:27:43,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 386 [2022-07-23 01:27:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:43,965 INFO L225 Difference]: With dead ends: 20893 [2022-07-23 01:27:43,965 INFO L226 Difference]: Without dead ends: 11285 [2022-07-23 01:27:44,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:27:44,008 INFO L413 NwaCegarLoop]: 1957 mSDtfsCounter, 2003 mSDsluCounter, 6199 mSDsCounter, 0 mSdLazyCounter, 5596 mSolverCounterSat, 2366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 7962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2366 IncrementalHoareTripleChecker+Valid, 5596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:44,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 8156 Invalid, 7962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2366 Valid, 5596 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-23 01:27:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11285 states. [2022-07-23 01:27:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11285 to 9986. [2022-07-23 01:27:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9986 states, 6940 states have (on average 1.293371757925072) internal successors, (8976), 7068 states have internal predecessors, (8976), 2515 states have call successors, (2515), 531 states have call predecessors, (2515), 530 states have return successors, (2518), 2471 states have call predecessors, (2518), 2514 states have call successors, (2518) [2022-07-23 01:27:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 14009 transitions. [2022-07-23 01:27:44,556 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 14009 transitions. Word has length 386 [2022-07-23 01:27:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:44,558 INFO L495 AbstractCegarLoop]: Abstraction has 9986 states and 14009 transitions. [2022-07-23 01:27:44,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 01:27:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 14009 transitions. [2022-07-23 01:27:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-07-23 01:27:44,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:44,581 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:44,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:27:44,807 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,SelfDestructingSolverStorable9 [2022-07-23 01:27:44,808 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:44,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:44,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1460325200, now seen corresponding path program 1 times [2022-07-23 01:27:44,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:44,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378630648] [2022-07-23 01:27:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:44,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:27:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:27:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:27:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 01:27:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 01:27:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 01:27:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:27:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 01:27:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:27:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 01:27:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:27:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 01:27:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:27:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:27:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 01:27:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:27:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 01:27:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2022-07-23 01:27:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:45,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378630648] [2022-07-23 01:27:45,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378630648] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:27:45,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224010569] [2022-07-23 01:27:45,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:45,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:27:45,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:27:45,661 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) [2022-07-23 01:27:45,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 01:27:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:46,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 3372 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 01:27:46,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:27:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2022-07-23 01:27:46,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:27:46,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224010569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:46,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:27:46,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2022-07-23 01:27:46,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094660959] [2022-07-23 01:27:46,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:46,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 01:27:46,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:46,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 01:27:46,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:27:46,609 INFO L87 Difference]: Start difference. First operand 9986 states and 14009 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 01:27:47,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:47,410 INFO L93 Difference]: Finished difference Result 22475 states and 31621 transitions. [2022-07-23 01:27:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:27:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 396 [2022-07-23 01:27:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:47,474 INFO L225 Difference]: With dead ends: 22475 [2022-07-23 01:27:47,475 INFO L226 Difference]: Without dead ends: 12531 [2022-07-23 01:27:47,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:27:47,515 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 2669 mSDsluCounter, 6227 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2669 SdHoareTripleChecker+Valid, 10476 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:47,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2669 Valid, 10476 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 01:27:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12531 states. [2022-07-23 01:27:47,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12531 to 9990. [2022-07-23 01:27:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9990 states, 6944 states have (on average 1.2932027649769586) internal successors, (8980), 7072 states have internal predecessors, (8980), 2515 states have call successors, (2515), 531 states have call predecessors, (2515), 530 states have return successors, (2518), 2471 states have call predecessors, (2518), 2514 states have call successors, (2518) [2022-07-23 01:27:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 14013 transitions. [2022-07-23 01:27:47,946 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 14013 transitions. Word has length 396 [2022-07-23 01:27:47,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:27:47,947 INFO L495 AbstractCegarLoop]: Abstraction has 9990 states and 14013 transitions. [2022-07-23 01:27:47,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 01:27:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 14013 transitions. [2022-07-23 01:27:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-23 01:27:47,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:27:47,968 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:27:48,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:27:48,195 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,SelfDestructingSolverStorable10 [2022-07-23 01:27:48,196 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:27:48,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:27:48,196 INFO L85 PathProgramCache]: Analyzing trace with hash 723891211, now seen corresponding path program 1 times [2022-07-23 01:27:48,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:27:48,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59421198] [2022-07-23 01:27:48,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:27:48,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:27:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:27:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:27:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:27:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:27:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:27:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:27:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:27:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:27:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:27:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:27:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:27:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:27:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:27:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:27:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:27:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 01:27:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:27:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 01:27:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 01:27:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 01:27:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 01:27:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 01:27:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:27:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 01:27:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:27:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 01:27:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 01:27:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 01:27:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:27:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 01:27:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:27:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 01:27:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:27:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:27:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:27:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:27:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2022-07-23 01:27:48,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:27:48,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59421198] [2022-07-23 01:27:48,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59421198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:27:48,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:27:48,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:27:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501923743] [2022-07-23 01:27:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:27:48,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:27:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:27:48,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:27:48,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:27:48,910 INFO L87 Difference]: Start difference. First operand 9990 states and 14013 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 01:27:59,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:27:59,610 INFO L93 Difference]: Finished difference Result 23868 states and 33745 transitions. [2022-07-23 01:27:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 01:27:59,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 402 [2022-07-23 01:27:59,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:27:59,673 INFO L225 Difference]: With dead ends: 23868 [2022-07-23 01:27:59,673 INFO L226 Difference]: Without dead ends: 13920 [2022-07-23 01:27:59,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-07-23 01:27:59,703 INFO L413 NwaCegarLoop]: 3411 mSDtfsCounter, 3810 mSDsluCounter, 9382 mSDsCounter, 0 mSdLazyCounter, 10550 mSolverCounterSat, 3446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3959 SdHoareTripleChecker+Valid, 12793 SdHoareTripleChecker+Invalid, 13996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3446 IncrementalHoareTripleChecker+Valid, 10550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:27:59,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3959 Valid, 12793 Invalid, 13996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3446 Valid, 10550 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-23 01:27:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13920 states. [2022-07-23 01:28:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13920 to 9996. [2022-07-23 01:28:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9996 states, 6946 states have (on average 1.293118341491506) internal successors, (8982), 7076 states have internal predecessors, (8982), 2519 states have call successors, (2519), 531 states have call predecessors, (2519), 530 states have return successors, (2522), 2475 states have call predecessors, (2522), 2518 states have call successors, (2522) [2022-07-23 01:28:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9996 states to 9996 states and 14023 transitions. [2022-07-23 01:28:00,360 INFO L78 Accepts]: Start accepts. Automaton has 9996 states and 14023 transitions. Word has length 402 [2022-07-23 01:28:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:00,361 INFO L495 AbstractCegarLoop]: Abstraction has 9996 states and 14023 transitions. [2022-07-23 01:28:00,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 5 states have internal predecessors, (143), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 01:28:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9996 states and 14023 transitions. [2022-07-23 01:28:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-07-23 01:28:00,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:00,380 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:00,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 01:28:00,381 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:00,381 INFO L85 PathProgramCache]: Analyzing trace with hash -169004784, now seen corresponding path program 1 times [2022-07-23 01:28:00,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:00,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54325766] [2022-07-23 01:28:00,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 01:28:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 01:28:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 01:28:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 01:28:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:28:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 01:28:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:28:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 01:28:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 01:28:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 01:28:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 01:28:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-23 01:28:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-23 01:28:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 01:28:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 01:28:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 01:28:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2022-07-23 01:28:01,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:01,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54325766] [2022-07-23 01:28:01,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54325766] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:01,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822054431] [2022-07-23 01:28:01,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:01,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:01,219 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) [2022-07-23 01:28:01,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 01:28:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:02,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 01:28:02,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2022-07-23 01:28:02,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:28:02,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822054431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:02,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:28:02,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-07-23 01:28:02,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236656397] [2022-07-23 01:28:02,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:02,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:28:02,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:02,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:28:02,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:28:02,127 INFO L87 Difference]: Start difference. First operand 9996 states and 14023 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 01:28:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:03,084 INFO L93 Difference]: Finished difference Result 22500 states and 31657 transitions. [2022-07-23 01:28:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:28:03,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 404 [2022-07-23 01:28:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:03,140 INFO L225 Difference]: With dead ends: 22500 [2022-07-23 01:28:03,140 INFO L226 Difference]: Without dead ends: 12546 [2022-07-23 01:28:03,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:28:03,167 INFO L413 NwaCegarLoop]: 4257 mSDtfsCounter, 3080 mSDsluCounter, 10274 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 14531 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:03,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 14531 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 01:28:03,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12546 states. [2022-07-23 01:28:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12546 to 9988. [2022-07-23 01:28:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9988 states, 6942 states have (on average 1.2931431864016134) internal successors, (8977), 7070 states have internal predecessors, (8977), 2515 states have call successors, (2515), 531 states have call predecessors, (2515), 530 states have return successors, (2518), 2471 states have call predecessors, (2518), 2514 states have call successors, (2518) [2022-07-23 01:28:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 9988 states and 14010 transitions. [2022-07-23 01:28:03,631 INFO L78 Accepts]: Start accepts. Automaton has 9988 states and 14010 transitions. Word has length 404 [2022-07-23 01:28:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:03,632 INFO L495 AbstractCegarLoop]: Abstraction has 9988 states and 14010 transitions. [2022-07-23 01:28:03,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 01:28:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9988 states and 14010 transitions. [2022-07-23 01:28:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-23 01:28:03,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:03,649 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:03,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-23 01:28:03,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:03,850 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:03,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:03,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1431026290, now seen corresponding path program 1 times [2022-07-23 01:28:03,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:03,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382394348] [2022-07-23 01:28:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 01:28:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 01:28:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:28:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 01:28:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 01:28:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:28:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 01:28:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 01:28:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 01:28:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 01:28:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 01:28:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 01:28:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2022-07-23 01:28:04,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:04,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382394348] [2022-07-23 01:28:04,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382394348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:04,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:28:04,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:28:04,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914356296] [2022-07-23 01:28:04,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:04,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:28:04,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:04,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:28:04,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:28:04,500 INFO L87 Difference]: Start difference. First operand 9988 states and 14010 transitions. Second operand has 8 states, 8 states have (on average 19.5) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 01:28:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:08,897 INFO L93 Difference]: Finished difference Result 21635 states and 30568 transitions. [2022-07-23 01:28:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:28:08,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.5) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 418 [2022-07-23 01:28:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:08,953 INFO L225 Difference]: With dead ends: 21635 [2022-07-23 01:28:08,953 INFO L226 Difference]: Without dead ends: 11689 [2022-07-23 01:28:08,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:28:08,990 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 2295 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 2818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 5904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2818 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:08,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 5222 Invalid, 5904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2818 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 01:28:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11689 states. [2022-07-23 01:28:09,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11689 to 9990. [2022-07-23 01:28:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9990 states, 6944 states have (on average 1.2930587557603688) internal successors, (8979), 7072 states have internal predecessors, (8979), 2515 states have call successors, (2515), 531 states have call predecessors, (2515), 530 states have return successors, (2518), 2471 states have call predecessors, (2518), 2514 states have call successors, (2518) [2022-07-23 01:28:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 14012 transitions. [2022-07-23 01:28:09,644 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 14012 transitions. Word has length 418 [2022-07-23 01:28:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:09,645 INFO L495 AbstractCegarLoop]: Abstraction has 9990 states and 14012 transitions. [2022-07-23 01:28:09,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.5) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 01:28:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 14012 transitions. [2022-07-23 01:28:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-23 01:28:09,661 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:09,662 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:09,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 01:28:09,662 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:09,663 INFO L85 PathProgramCache]: Analyzing trace with hash 383215453, now seen corresponding path program 1 times [2022-07-23 01:28:09,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:09,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242176939] [2022-07-23 01:28:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:09,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 01:28:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:28:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 01:28:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 01:28:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 01:28:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 01:28:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:28:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 01:28:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 01:28:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 01:28:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 01:28:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 01:28:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 01:28:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 01:28:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1047 trivial. 0 not checked. [2022-07-23 01:28:10,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:10,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242176939] [2022-07-23 01:28:10,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242176939] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:10,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044821746] [2022-07-23 01:28:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:10,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:10,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:10,244 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) [2022-07-23 01:28:10,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 01:28:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:11,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 3882 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:28:11,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2022-07-23 01:28:11,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:28:11,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044821746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:11,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:28:11,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-23 01:28:11,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638664610] [2022-07-23 01:28:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:11,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:28:11,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:11,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:28:11,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:28:11,389 INFO L87 Difference]: Start difference. First operand 9990 states and 14012 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 01:28:11,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:11,895 INFO L93 Difference]: Finished difference Result 23094 states and 32921 transitions. [2022-07-23 01:28:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:28:11,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 435 [2022-07-23 01:28:11,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:11,941 INFO L225 Difference]: With dead ends: 23094 [2022-07-23 01:28:11,941 INFO L226 Difference]: Without dead ends: 13146 [2022-07-23 01:28:11,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:28:11,970 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 568 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:11,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 5404 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:28:11,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13146 states. [2022-07-23 01:28:12,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13146 to 9992. [2022-07-23 01:28:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9992 states, 6946 states have (on average 1.2929743737402821) internal successors, (8981), 7074 states have internal predecessors, (8981), 2515 states have call successors, (2515), 531 states have call predecessors, (2515), 530 states have return successors, (2518), 2471 states have call predecessors, (2518), 2514 states have call successors, (2518) [2022-07-23 01:28:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9992 states to 9992 states and 14014 transitions. [2022-07-23 01:28:12,457 INFO L78 Accepts]: Start accepts. Automaton has 9992 states and 14014 transitions. Word has length 435 [2022-07-23 01:28:12,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:12,458 INFO L495 AbstractCegarLoop]: Abstraction has 9992 states and 14014 transitions. [2022-07-23 01:28:12,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 01:28:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9992 states and 14014 transitions. [2022-07-23 01:28:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-23 01:28:12,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:12,478 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:12,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:28:12,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-23 01:28:12,692 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 318328001, now seen corresponding path program 1 times [2022-07-23 01:28:12,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:12,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885308047] [2022-07-23 01:28:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:12,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 01:28:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:28:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 01:28:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:28:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 01:28:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 01:28:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 01:28:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:28:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 01:28:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 01:28:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 01:28:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 01:28:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 01:28:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 01:28:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 01:28:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2022-07-23 01:28:13,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:13,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885308047] [2022-07-23 01:28:13,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885308047] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:13,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770115163] [2022-07-23 01:28:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:13,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:13,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:13,335 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) [2022-07-23 01:28:13,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 01:28:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 4013 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:28:14,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-07-23 01:28:14,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:28:14,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770115163] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:14,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:28:14,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-23 01:28:14,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223547348] [2022-07-23 01:28:14,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:14,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:28:14,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:28:14,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:28:14,544 INFO L87 Difference]: Start difference. First operand 9992 states and 14014 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 01:28:15,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:15,150 INFO L93 Difference]: Finished difference Result 25296 states and 35471 transitions. [2022-07-23 01:28:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:28:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 466 [2022-07-23 01:28:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:15,206 INFO L225 Difference]: With dead ends: 25296 [2022-07-23 01:28:15,206 INFO L226 Difference]: Without dead ends: 15346 [2022-07-23 01:28:15,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:28:15,238 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 1738 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 4471 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:15,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 4471 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:28:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15346 states. [2022-07-23 01:28:15,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15346 to 15332. [2022-07-23 01:28:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15332 states, 10725 states have (on average 1.2874592074592075) internal successors, (13808), 10920 states have internal predecessors, (13808), 3790 states have call successors, (3790), 817 states have call predecessors, (3790), 816 states have return successors, (3797), 3720 states have call predecessors, (3797), 3789 states have call successors, (3797) [2022-07-23 01:28:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15332 states to 15332 states and 21395 transitions. [2022-07-23 01:28:15,978 INFO L78 Accepts]: Start accepts. Automaton has 15332 states and 21395 transitions. Word has length 466 [2022-07-23 01:28:15,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:15,979 INFO L495 AbstractCegarLoop]: Abstraction has 15332 states and 21395 transitions. [2022-07-23 01:28:15,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-23 01:28:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 15332 states and 21395 transitions. [2022-07-23 01:28:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-07-23 01:28:15,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:15,998 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:16,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:28:16,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-23 01:28:16,199 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:16,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:16,200 INFO L85 PathProgramCache]: Analyzing trace with hash 876951382, now seen corresponding path program 1 times [2022-07-23 01:28:16,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:16,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361050237] [2022-07-23 01:28:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 01:28:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:28:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 01:28:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:28:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 01:28:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 01:28:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 01:28:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 01:28:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 01:28:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 01:28:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 01:28:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 01:28:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 01:28:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2022-07-23 01:28:16,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:16,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361050237] [2022-07-23 01:28:16,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361050237] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:16,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563167146] [2022-07-23 01:28:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:16,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:16,794 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:28:16,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 01:28:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:17,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:28:17,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2022-07-23 01:28:17,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:28:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2022-07-23 01:28:18,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563167146] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:28:18,088 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:28:18,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-07-23 01:28:18,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454586685] [2022-07-23 01:28:18,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:28:18,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 01:28:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 01:28:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:28:18,091 INFO L87 Difference]: Start difference. First operand 15332 states and 21395 transitions. Second operand has 12 states, 12 states have (on average 19.583333333333332) internal successors, (235), 7 states have internal predecessors, (235), 2 states have call successors, (92), 7 states have call predecessors, (92), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-07-23 01:28:22,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:22,679 INFO L93 Difference]: Finished difference Result 33484 states and 46977 transitions. [2022-07-23 01:28:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:28:22,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.583333333333332) internal successors, (235), 7 states have internal predecessors, (235), 2 states have call successors, (92), 7 states have call predecessors, (92), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 450 [2022-07-23 01:28:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:22,751 INFO L225 Difference]: With dead ends: 33484 [2022-07-23 01:28:22,752 INFO L226 Difference]: Without dead ends: 18194 [2022-07-23 01:28:22,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 1022 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:28:22,792 INFO L413 NwaCegarLoop]: 1935 mSDtfsCounter, 2324 mSDsluCounter, 3294 mSDsCounter, 0 mSdLazyCounter, 3065 mSolverCounterSat, 2848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 5229 SdHoareTripleChecker+Invalid, 5913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2848 IncrementalHoareTripleChecker+Valid, 3065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:22,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 5229 Invalid, 5913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2848 Valid, 3065 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 01:28:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18194 states. [2022-07-23 01:28:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18194 to 15359. [2022-07-23 01:28:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15359 states, 10752 states have (on average 1.2867373511904763) internal successors, (13835), 10947 states have internal predecessors, (13835), 3790 states have call successors, (3790), 817 states have call predecessors, (3790), 816 states have return successors, (3797), 3720 states have call predecessors, (3797), 3789 states have call successors, (3797) [2022-07-23 01:28:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15359 states to 15359 states and 21422 transitions. [2022-07-23 01:28:23,559 INFO L78 Accepts]: Start accepts. Automaton has 15359 states and 21422 transitions. Word has length 450 [2022-07-23 01:28:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:23,559 INFO L495 AbstractCegarLoop]: Abstraction has 15359 states and 21422 transitions. [2022-07-23 01:28:23,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.583333333333332) internal successors, (235), 7 states have internal predecessors, (235), 2 states have call successors, (92), 7 states have call predecessors, (92), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-07-23 01:28:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 15359 states and 21422 transitions. [2022-07-23 01:28:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-23 01:28:23,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:23,577 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:23,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:28:23,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-23 01:28:23,788 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:23,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1288145552, now seen corresponding path program 2 times [2022-07-23 01:28:23,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:23,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830460138] [2022-07-23 01:28:23,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 01:28:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 01:28:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 01:28:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 01:28:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 01:28:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 01:28:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-23 01:28:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 01:28:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 01:28:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 01:28:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 01:28:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 01:28:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 01:28:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2022-07-23 01:28:24,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:24,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830460138] [2022-07-23 01:28:24,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830460138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:24,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:28:24,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:28:24,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540110347] [2022-07-23 01:28:24,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:24,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:28:24,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:24,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:28:24,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:28:24,359 INFO L87 Difference]: Start difference. First operand 15359 states and 21422 transitions. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 01:28:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:30,809 INFO L93 Difference]: Finished difference Result 37886 states and 54177 transitions. [2022-07-23 01:28:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 01:28:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 459 [2022-07-23 01:28:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:30,898 INFO L225 Difference]: With dead ends: 37886 [2022-07-23 01:28:30,898 INFO L226 Difference]: Without dead ends: 22569 [2022-07-23 01:28:30,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:28:30,951 INFO L413 NwaCegarLoop]: 2861 mSDtfsCounter, 2536 mSDsluCounter, 8939 mSDsCounter, 0 mSdLazyCounter, 6334 mSolverCounterSat, 2309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2844 SdHoareTripleChecker+Valid, 11800 SdHoareTripleChecker+Invalid, 8643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 6334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:30,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2844 Valid, 11800 Invalid, 8643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2309 Valid, 6334 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 01:28:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22569 states. [2022-07-23 01:28:31,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22569 to 15371. [2022-07-23 01:28:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15371 states, 10761 states have (on average 1.286497537403587) internal successors, (13844), 10956 states have internal predecessors, (13844), 3790 states have call successors, (3790), 817 states have call predecessors, (3790), 819 states have return successors, (3807), 3723 states have call predecessors, (3807), 3789 states have call successors, (3807) [2022-07-23 01:28:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15371 states to 15371 states and 21441 transitions. [2022-07-23 01:28:31,847 INFO L78 Accepts]: Start accepts. Automaton has 15371 states and 21441 transitions. Word has length 459 [2022-07-23 01:28:31,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:31,847 INFO L495 AbstractCegarLoop]: Abstraction has 15371 states and 21441 transitions. [2022-07-23 01:28:31,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 01:28:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 15371 states and 21441 transitions. [2022-07-23 01:28:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2022-07-23 01:28:31,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:31,867 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:31,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 01:28:31,867 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:31,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:31,867 INFO L85 PathProgramCache]: Analyzing trace with hash -124378316, now seen corresponding path program 1 times [2022-07-23 01:28:31,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:31,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450559200] [2022-07-23 01:28:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:31,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 01:28:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 01:28:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 01:28:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 01:28:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:28:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 01:28:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:28:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 01:28:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 01:28:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 01:28:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 01:28:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 01:28:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 01:28:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2022-07-23 01:28:32,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:32,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450559200] [2022-07-23 01:28:32,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450559200] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:32,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979093751] [2022-07-23 01:28:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:32,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:32,434 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:28:32,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 01:28:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:33,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 4033 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:28:33,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 192 proven. 22 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2022-07-23 01:28:33,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:28:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2022-07-23 01:28:33,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979093751] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:28:33,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:28:33,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2022-07-23 01:28:33,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645760934] [2022-07-23 01:28:33,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:28:33,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 01:28:33,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:33,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 01:28:33,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:28:33,790 INFO L87 Difference]: Start difference. First operand 15371 states and 21441 transitions. Second operand has 15 states, 15 states have (on average 17.2) internal successors, (258), 10 states have internal predecessors, (258), 3 states have call successors, (93), 7 states have call predecessors, (93), 2 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-07-23 01:28:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:44,560 INFO L93 Difference]: Finished difference Result 42302 states and 61399 transitions. [2022-07-23 01:28:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 01:28:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 17.2) internal successors, (258), 10 states have internal predecessors, (258), 3 states have call successors, (93), 7 states have call predecessors, (93), 2 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 460 [2022-07-23 01:28:44,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:44,675 INFO L225 Difference]: With dead ends: 42302 [2022-07-23 01:28:44,675 INFO L226 Difference]: Without dead ends: 26973 [2022-07-23 01:28:44,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1039 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2022-07-23 01:28:44,729 INFO L413 NwaCegarLoop]: 2846 mSDtfsCounter, 3363 mSDsluCounter, 13045 mSDsCounter, 0 mSdLazyCounter, 11486 mSolverCounterSat, 2203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 15891 SdHoareTripleChecker+Invalid, 13689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2203 IncrementalHoareTripleChecker+Valid, 11486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:44,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 15891 Invalid, 13689 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2203 Valid, 11486 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-23 01:28:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26973 states. [2022-07-23 01:28:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26973 to 15419. [2022-07-23 01:28:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15419 states, 10803 states have (on average 1.2859390909932427) internal successors, (13892), 10995 states have internal predecessors, (13892), 3796 states have call successors, (3796), 817 states have call predecessors, (3796), 819 states have return successors, (3819), 3732 states have call predecessors, (3819), 3795 states have call successors, (3819) [2022-07-23 01:28:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15419 states to 15419 states and 21507 transitions. [2022-07-23 01:28:45,777 INFO L78 Accepts]: Start accepts. Automaton has 15419 states and 21507 transitions. Word has length 460 [2022-07-23 01:28:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:45,777 INFO L495 AbstractCegarLoop]: Abstraction has 15419 states and 21507 transitions. [2022-07-23 01:28:45,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.2) internal successors, (258), 10 states have internal predecessors, (258), 3 states have call successors, (93), 7 states have call predecessors, (93), 2 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-07-23 01:28:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15419 states and 21507 transitions. [2022-07-23 01:28:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-07-23 01:28:45,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:45,797 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:45,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:28:45,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:45,999 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:45,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash 457134437, now seen corresponding path program 1 times [2022-07-23 01:28:45,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:45,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376837611] [2022-07-23 01:28:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:45,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:28:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:28:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 01:28:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:28:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:28:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:28:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 01:28:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:28:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 01:28:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 01:28:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 01:28:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 01:28:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 01:28:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 01:28:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 01:28:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-23 01:28:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1144 trivial. 0 not checked. [2022-07-23 01:28:46,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:46,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376837611] [2022-07-23 01:28:46,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376837611] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:46,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135313988] [2022-07-23 01:28:46,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:46,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:46,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:46,920 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:28:46,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 01:28:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:49,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 4221 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-23 01:28:49,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2022-07-23 01:28:49,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:28:49,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135313988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:28:49,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:28:49,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 11 [2022-07-23 01:28:49,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054051678] [2022-07-23 01:28:49,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:28:49,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:28:49,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:49,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:28:49,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:28:49,165 INFO L87 Difference]: Start difference. First operand 15419 states and 21507 transitions. Second operand has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 01:28:50,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:28:50,578 INFO L93 Difference]: Finished difference Result 32562 states and 45658 transitions. [2022-07-23 01:28:50,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:28:50,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 491 [2022-07-23 01:28:50,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:28:50,643 INFO L225 Difference]: With dead ends: 32562 [2022-07-23 01:28:50,643 INFO L226 Difference]: Without dead ends: 17185 [2022-07-23 01:28:50,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 623 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:28:50,689 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 1149 mSDsluCounter, 11512 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 14661 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:28:50,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 14661 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 01:28:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17185 states. [2022-07-23 01:28:51,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17185 to 15434. [2022-07-23 01:28:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15434 states, 10815 states have (on average 1.2856218215441517) internal successors, (13904), 11007 states have internal predecessors, (13904), 3796 states have call successors, (3796), 817 states have call predecessors, (3796), 822 states have return successors, (3829), 3735 states have call predecessors, (3829), 3795 states have call successors, (3829) [2022-07-23 01:28:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15434 states to 15434 states and 21529 transitions. [2022-07-23 01:28:51,607 INFO L78 Accepts]: Start accepts. Automaton has 15434 states and 21529 transitions. Word has length 491 [2022-07-23 01:28:51,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:28:51,607 INFO L495 AbstractCegarLoop]: Abstraction has 15434 states and 21529 transitions. [2022-07-23 01:28:51,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 5 states have internal predecessors, (184), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 01:28:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 15434 states and 21529 transitions. [2022-07-23 01:28:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-07-23 01:28:51,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:28:51,628 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:28:51,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:28:51,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:51,828 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:28:51,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:28:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 341330638, now seen corresponding path program 1 times [2022-07-23 01:28:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:28:51,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279005021] [2022-07-23 01:28:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:51,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:28:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:28:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:28:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:28:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:28:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:28:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:28:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:28:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:28:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:28:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:28:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:28:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:28:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:28:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 01:28:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:28:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 01:28:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 01:28:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:28:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:28:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 01:28:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:28:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:28:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:28:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 01:28:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 01:28:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:28:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 01:28:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 01:28:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 01:28:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 01:28:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 01:28:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 01:28:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 01:28:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 01:28:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:28:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-23 01:28:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:28:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2022-07-23 01:28:52,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:28:52,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279005021] [2022-07-23 01:28:52,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279005021] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:52,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701105206] [2022-07-23 01:28:52,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:28:52,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:28:52,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:28:52,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:28:52,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 01:28:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:28:54,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 4247 conjuncts, 99 conjunts are in the unsatisfiable core [2022-07-23 01:28:54,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:28:54,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:28:54,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-07-23 01:28:54,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:28:54,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:28:54,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:54,795 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6343 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_6343) |c_#memory_int|)) is different from true [2022-07-23 01:28:54,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:28:54,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:54,900 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-23 01:28:54,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-23 01:28:54,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-07-23 01:28:54,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:28:54,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:28:54,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:54,964 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6345 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_6345) |c_#memory_int|)) is different from true [2022-07-23 01:28:55,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:28:55,024 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 01:28:55,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-07-23 01:28:55,080 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-23 01:28:55,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-23 01:28:55,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:28:55,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:28:55,140 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:55,146 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6347 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_6347) |c_#memory_int|)) is different from true [2022-07-23 01:28:55,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:28:55,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:28:55,245 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-23 01:28:55,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-23 01:28:55,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-07-23 01:28:55,305 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-23 01:28:55,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-07-23 01:28:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 510 proven. 33 refuted. 0 times theorem prover too weak. 647 trivial. 12 not checked. [2022-07-23 01:28:55,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:28:55,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701105206] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:28:55,709 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:28:55,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21] total 29 [2022-07-23 01:28:55,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705481268] [2022-07-23 01:28:55,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:28:55,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-23 01:28:55,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:28:55,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-23 01:28:55,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=633, Unknown=4, NotChecked=156, Total=870 [2022-07-23 01:28:55,712 INFO L87 Difference]: Start difference. First operand 15434 states and 21529 transitions. Second operand has 29 states, 27 states have (on average 10.62962962962963) internal successors, (287), 19 states have internal predecessors, (287), 7 states have call successors, (92), 10 states have call predecessors, (92), 10 states have return successors, (78), 8 states have call predecessors, (78), 7 states have call successors, (78) [2022-07-23 01:29:15,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:29:15,660 INFO L93 Difference]: Finished difference Result 39163 states and 56344 transitions. [2022-07-23 01:29:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-23 01:29:15,661 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 10.62962962962963) internal successors, (287), 19 states have internal predecessors, (287), 7 states have call successors, (92), 10 states have call predecessors, (92), 10 states have return successors, (78), 8 states have call predecessors, (78), 7 states have call successors, (78) Word has length 497 [2022-07-23 01:29:15,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:29:15,725 INFO L225 Difference]: With dead ends: 39163 [2022-07-23 01:29:15,725 INFO L226 Difference]: Without dead ends: 23771 [2022-07-23 01:29:15,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 868 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=206, Invalid=2056, Unknown=6, NotChecked=282, Total=2550 [2022-07-23 01:29:15,759 INFO L413 NwaCegarLoop]: 3616 mSDtfsCounter, 3453 mSDsluCounter, 41667 mSDsCounter, 0 mSdLazyCounter, 18995 mSolverCounterSat, 3134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 45283 SdHoareTripleChecker+Invalid, 46250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3134 IncrementalHoareTripleChecker+Valid, 18995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24121 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:29:15,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 45283 Invalid, 46250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3134 Valid, 18995 Invalid, 0 Unknown, 24121 Unchecked, 17.5s Time] [2022-07-23 01:29:15,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23771 states. [2022-07-23 01:29:16,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23771 to 15778. [2022-07-23 01:29:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15778 states, 11156 states have (on average 1.2945500179275726) internal successors, (14442), 11347 states have internal predecessors, (14442), 3796 states have call successors, (3796), 820 states have call predecessors, (3796), 825 states have return successors, (3829), 3736 states have call predecessors, (3829), 3795 states have call successors, (3829) [2022-07-23 01:29:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15778 states to 15778 states and 22067 transitions. [2022-07-23 01:29:16,643 INFO L78 Accepts]: Start accepts. Automaton has 15778 states and 22067 transitions. Word has length 497 [2022-07-23 01:29:16,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:29:16,644 INFO L495 AbstractCegarLoop]: Abstraction has 15778 states and 22067 transitions. [2022-07-23 01:29:16,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 10.62962962962963) internal successors, (287), 19 states have internal predecessors, (287), 7 states have call successors, (92), 10 states have call predecessors, (92), 10 states have return successors, (78), 8 states have call predecessors, (78), 7 states have call successors, (78) [2022-07-23 01:29:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 15778 states and 22067 transitions. [2022-07-23 01:29:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2022-07-23 01:29:16,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:29:16,665 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:29:16,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 01:29:16,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:29:16,866 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:29:16,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:29:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash -173324156, now seen corresponding path program 1 times [2022-07-23 01:29:16,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:29:16,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394000997] [2022-07-23 01:29:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:29:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:29:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:29:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:29:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:29:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:29:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:29:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:29:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:29:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:29:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:29:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:29:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:29:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:29:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:29:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 01:29:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 01:29:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 01:29:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:29:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 01:29:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:29:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:29:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:29:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 01:29:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:29:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:29:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:29:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 01:29:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 01:29:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 01:29:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 01:29:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 01:29:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-23 01:29:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-23 01:29:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-23 01:29:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-23 01:29:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:29:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 01:29:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:29:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-23 01:29:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-07-23 01:29:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:29:17,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394000997] [2022-07-23 01:29:17,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394000997] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:29:17,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774355088] [2022-07-23 01:29:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:29:17,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:29:17,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:29:17,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:29:17,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 01:29:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:19,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 4293 conjuncts, 100 conjunts are in the unsatisfiable core [2022-07-23 01:29:19,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:29:19,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:29:19,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-07-23 01:29:19,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:29:19,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:29:19,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:29:19,721 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_7010 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_7010) |c_#memory_int|)) is different from true [2022-07-23 01:29:19,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:29:19,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:29:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 01:29:19,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-07-23 01:29:19,813 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-23 01:29:19,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-23 01:29:19,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:29:19,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:29:19,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:29:19,873 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_7012 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_7012) |c_#memory_int|)) is different from true [2022-07-23 01:29:19,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:29:19,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-23 01:29:19,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 01:29:19,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-07-23 01:29:19,968 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-23 01:29:19,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-23 01:29:19,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-07-23 01:29:19,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 01:29:20,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:29:20,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 01:29:20,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-07-23 01:29:20,835 INFO L356 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2022-07-23 01:29:20,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2022-07-23 01:29:20,845 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-23 01:29:20,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-07-23 01:29:20,935 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-23 01:29:20,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-07-23 01:29:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 605 proven. 40 refuted. 0 times theorem prover too weak. 615 trivial. 10 not checked. [2022-07-23 01:29:21,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:29:21,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774355088] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:29:21,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:29:21,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 24] total 34 [2022-07-23 01:29:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704501482] [2022-07-23 01:29:21,372 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:29:21,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-07-23 01:29:21,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:29:21,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-07-23 01:29:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=963, Unknown=4, NotChecked=126, Total=1190 [2022-07-23 01:29:21,374 INFO L87 Difference]: Start difference. First operand 15778 states and 22067 transitions. Second operand has 34 states, 31 states have (on average 11.419354838709678) internal successors, (354), 22 states have internal predecessors, (354), 9 states have call successors, (96), 11 states have call predecessors, (96), 12 states have return successors, (80), 10 states have call predecessors, (80), 9 states have call successors, (80) [2022-07-23 01:29:52,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:29:52,574 INFO L93 Difference]: Finished difference Result 41822 states and 60126 transitions. [2022-07-23 01:29:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-23 01:29:52,576 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 11.419354838709678) internal successors, (354), 22 states have internal predecessors, (354), 9 states have call successors, (96), 11 states have call predecessors, (96), 12 states have return successors, (80), 10 states have call predecessors, (80), 9 states have call successors, (80) Word has length 511 [2022-07-23 01:29:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:29:52,697 INFO L225 Difference]: With dead ends: 41822 [2022-07-23 01:29:52,697 INFO L226 Difference]: Without dead ends: 26086 [2022-07-23 01:29:52,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 890 SyntacticMatches, 11 SemanticMatches, 65 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=473, Invalid=3686, Unknown=9, NotChecked=254, Total=4422 [2022-07-23 01:29:52,758 INFO L413 NwaCegarLoop]: 3882 mSDtfsCounter, 3552 mSDsluCounter, 49486 mSDsCounter, 0 mSdLazyCounter, 32344 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 53368 SdHoareTripleChecker+Invalid, 60960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 32344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26081 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:29:52,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 53368 Invalid, 60960 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2535 Valid, 32344 Invalid, 0 Unknown, 26081 Unchecked, 26.0s Time] [2022-07-23 01:29:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26086 states. [2022-07-23 01:29:53,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26086 to 17486. [2022-07-23 01:29:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17486 states, 12326 states have (on average 1.291497647249716) internal successors, (15919), 12599 states have internal predecessors, (15919), 4209 states have call successors, (4209), 924 states have call predecessors, (4209), 950 states have return successors, (4340), 4098 states have call predecessors, (4340), 4208 states have call successors, (4340) [2022-07-23 01:29:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17486 states to 17486 states and 24468 transitions. [2022-07-23 01:29:54,009 INFO L78 Accepts]: Start accepts. Automaton has 17486 states and 24468 transitions. Word has length 511 [2022-07-23 01:29:54,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:29:54,009 INFO L495 AbstractCegarLoop]: Abstraction has 17486 states and 24468 transitions. [2022-07-23 01:29:54,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 11.419354838709678) internal successors, (354), 22 states have internal predecessors, (354), 9 states have call successors, (96), 11 states have call predecessors, (96), 12 states have return successors, (80), 10 states have call predecessors, (80), 9 states have call successors, (80) [2022-07-23 01:29:54,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17486 states and 24468 transitions. [2022-07-23 01:29:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-23 01:29:54,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:29:54,033 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:29:54,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-23 01:29:54,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-23 01:29:54,234 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:29:54,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:29:54,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1689309305, now seen corresponding path program 1 times [2022-07-23 01:29:54,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:29:54,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480245498] [2022-07-23 01:29:54,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:29:54,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:29:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:29:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:29:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:29:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:29:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:29:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:29:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 01:29:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:29:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 01:29:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:29:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 01:29:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 01:29:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 01:29:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 01:29:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:29:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 01:29:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 01:29:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 01:29:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:29:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:29:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:29:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 01:29:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:29:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:29:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:29:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 01:29:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:29:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:29:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 01:29:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 01:29:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 01:29:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-23 01:29:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 01:29:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 01:29:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 01:29:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:29:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-23 01:29:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 01:29:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:29:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-23 01:29:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:29:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:29:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2022-07-23 01:29:54,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:29:54,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480245498] [2022-07-23 01:29:54,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480245498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:29:54,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:29:54,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 01:29:54,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268381912] [2022-07-23 01:29:54,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:29:54,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 01:29:54,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:29:54,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 01:29:54,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:29:54,927 INFO L87 Difference]: Start difference. First operand 17486 states and 24468 transitions. Second operand has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)