./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-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-08_1a-drivers--md--dm-multipath.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 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:54:21,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:54:21,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:54:21,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:54:21,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:54:21,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:54:21,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:54:21,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:54:21,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:54:21,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:54:21,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:54:21,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:54:21,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:54:21,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:54:21,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:54:21,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:54:21,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:54:21,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:54:21,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:54:21,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:54:21,147 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:54:21,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:54:21,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:54:21,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:54:21,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:54:21,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:54:21,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:54:21,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:54:21,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:54:21,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:54:21,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:54:21,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:54:21,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:54:21,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:54:21,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:54:21,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:54:21,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:54:21,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:54:21,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:54:21,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:54:21,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:54:21,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:54:21,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:54:21,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:54:21,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:54:21,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:54:21,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:54:21,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:54:21,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:54:21,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:54:21,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:54:21,209 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:54:21,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:54:21,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:54:21,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:54:21,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:54:21,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:54:21,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:54:21,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:54:21,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:54:21,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:54:21,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:54:21,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:54:21,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:54:21,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:54:21,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:54:21,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:54:21,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:54:21,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:54:21,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:54:21,215 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:54:21,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:54:21,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:54:21,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 [2022-07-14 00:54:21,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:54:21,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:54:21,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:54:21,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:54:21,538 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:54:21,539 INFO L432 ainManager$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-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-14 00:54:21,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bffd7b4/876fcc3834654466961aa893047ba18c/FLAG63ab4fdac [2022-07-14 00:54:22,387 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:54:22,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-14 00:54:22,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bffd7b4/876fcc3834654466961aa893047ba18c/FLAG63ab4fdac [2022-07-14 00:54:22,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bffd7b4/876fcc3834654466961aa893047ba18c [2022-07-14 00:54:22,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:54:22,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:54:22,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:54:22,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:54:22,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:54:22,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:54:22" (1/1) ... [2022-07-14 00:54:22,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d35ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:22, skipping insertion in model container [2022-07-14 00:54:22,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:54:22" (1/1) ... [2022-07-14 00:54:22,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:54:23,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:54:24,630 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-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2022-07-14 00:54:24,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:54:24,724 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:54:25,013 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-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2022-07-14 00:54:25,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:54:25,145 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:54:25,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25 WrapperNode [2022-07-14 00:54:25,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:54:25,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:54:25,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:54:25,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:54:25,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,423 INFO L137 Inliner]: procedures = 258, calls = 1568, calls flagged for inlining = 102, calls inlined = 102, statements flattened = 4328 [2022-07-14 00:54:25,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:54:25,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:54:25,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:54:25,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:54:25,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:54:25,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:54:25,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:54:25,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:54:25,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (1/1) ... [2022-07-14 00:54:25,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:54:25,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:54:25,741 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) [2022-07-14 00:54:25,768 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 [2022-07-14 00:54:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2022-07-14 00:54:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2022-07-14 00:54:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-14 00:54:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-14 00:54:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 00:54:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure queue_if_no_path [2022-07-14 00:54:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_if_no_path [2022-07-14 00:54:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:54:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:54:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:54:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:54:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_message [2022-07-14 00:54:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_message [2022-07-14 00:54:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_end_io [2022-07-14 00:54:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_end_io [2022-07-14 00:54:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ctr [2022-07-14 00:54:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ctr [2022-07-14 00:54:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:54:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:54:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:54:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:54:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 00:54:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 00:54:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg_num [2022-07-14 00:54:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg_num [2022-07-14 00:54:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-14 00:54:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-14 00:54:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 00:54:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 00:54:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_clone_and_map [2022-07-14 00:54:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_clone_and_map [2022-07-14 00:54:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path_selector [2022-07-14 00:54:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path_selector [2022-07-14 00:54:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_iterate_devices [2022-07-14 00:54:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_iterate_devices [2022-07-14 00:54:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:54:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:54:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:54:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:54:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 00:54:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 00:54:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:54:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:54:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_dtr [2022-07-14 00:54:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_dtr [2022-07-14 00:54:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:54:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:54:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_detach [2022-07-14 00:54:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_detach [2022-07-14 00:54:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-14 00:54:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-14 00:54:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_path_selector [2022-07-14 00:54:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_path_selector [2022-07-14 00:54:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:54:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:54:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_handler_exist [2022-07-14 00:54:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_handler_exist [2022-07-14 00:54:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 00:54:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 00:54:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ioctl [2022-07-14 00:54:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ioctl [2022-07-14 00:54:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure clear_mapinfo [2022-07-14 00:54:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_mapinfo [2022-07-14 00:54:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-14 00:54:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-14 00:54:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure free_priority_group [2022-07-14 00:54:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_priority_group [2022-07-14 00:54:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:54:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:54:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:54:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-14 00:54:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-14 00:54:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:54:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure __must_push_back [2022-07-14 00:54:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __must_push_back [2022-07-14 00:54:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 00:54:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-14 00:54:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-14 00:54:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-14 00:54:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:54:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:54:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:54:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:54:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_path_selector [2022-07-14 00:54:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_path_selector [2022-07-14 00:54:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 00:54:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 00:54:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:54:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_release_clone [2022-07-14 00:54:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_release_clone [2022-07-14 00:54:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:54:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg [2022-07-14 00:54:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg [2022-07-14 00:54:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_event [2022-07-14 00:54:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_event [2022-07-14 00:54:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 00:54:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 00:54:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:54:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:54:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 00:54:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 00:54:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpath [2022-07-14 00:54:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpath [2022-07-14 00:54:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:54:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:54:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_path_in_pg [2022-07-14 00:54:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_path_in_pg [2022-07-14 00:54:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:54:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:54:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_path [2022-07-14 00:54:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_path [2022-07-14 00:54:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2022-07-14 00:54:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2022-07-14 00:54:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure flush_multipath_work [2022-07-14 00:54:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_multipath_work [2022-07-14 00:54:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:54:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:54:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attach [2022-07-14 00:54:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attach [2022-07-14 00:54:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 00:54:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 00:54:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_run_md_queue_async [2022-07-14 00:54:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_run_md_queue_async [2022-07-14 00:54:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-14 00:54:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-14 00:54:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_postsuspend [2022-07-14 00:54:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_postsuspend [2022-07-14 00:54:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure fail_path [2022-07-14 00:54:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure fail_path [2022-07-14 00:54:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:54:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_map [2022-07-14 00:54:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_map [2022-07-14 00:54:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:54:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:54:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:54:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:54:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:54:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:54:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:54:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-14 00:54:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-14 00:54:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:54:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:54:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg [2022-07-14 00:54:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg [2022-07-14 00:54:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-14 00:54:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-14 00:54:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_pgpath [2022-07-14 00:54:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_pgpath [2022-07-14 00:54:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:54:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:54:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:54:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure dm_path_uevent [2022-07-14 00:54:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_path_uevent [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-14 00:54:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 00:54:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-14 00:54:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:54:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:54:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure parse_priority_group [2022-07-14 00:54:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_priority_group [2022-07-14 00:54:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:54:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:54:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure __pg_init_all_paths [2022-07-14 00:54:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __pg_init_all_paths [2022-07-14 00:54:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-14 00:54:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-14 00:54:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_presuspend [2022-07-14 00:54:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_presuspend [2022-07-14 00:54:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consume_args [2022-07-14 00:54:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consume_args [2022-07-14 00:54:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-14 00:54:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-14 00:54:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 00:54:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 00:54:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure free_multipath [2022-07-14 00:54:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure free_multipath [2022-07-14 00:54:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure __multipath_map [2022-07-14 00:54:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __multipath_map [2022-07-14 00:54:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 00:54:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 00:54:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-07-14 00:54:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-07-14 00:54:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_status [2022-07-14 00:54:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_status [2022-07-14 00:54:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-14 00:54:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-14 00:54:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_busy [2022-07-14 00:54:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_busy [2022-07-14 00:54:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:54:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:54:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-14 00:54:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure __find_path_selector_type [2022-07-14 00:54:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_path_selector_type [2022-07-14 00:54:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 00:54:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 00:54:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_resume [2022-07-14 00:54:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_resume [2022-07-14 00:54:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:54:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 00:54:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 00:54:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-14 00:54:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-14 00:54:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:54:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:54:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:54:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:54:26,492 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:54:26,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:54:26,657 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:54:29,668 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:54:29,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:54:29,693 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:54:29,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:29 BoogieIcfgContainer [2022-07-14 00:54:29,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:54:29,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:54:29,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:54:29,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:54:29,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:54:22" (1/3) ... [2022-07-14 00:54:29,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390471e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:29, skipping insertion in model container [2022-07-14 00:54:29,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:25" (2/3) ... [2022-07-14 00:54:29,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390471e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:29, skipping insertion in model container [2022-07-14 00:54:29,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:29" (3/3) ... [2022-07-14 00:54:29,707 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-14 00:54:29,722 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:54:29,722 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:54:29,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:54:29,824 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@6cef8680, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c647dae [2022-07-14 00:54:29,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:54:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 1641 states, 1155 states have (on average 1.3593073593073592) internal successors, (1570), 1182 states have internal predecessors, (1570), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) [2022-07-14 00:54:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-14 00:54:29,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:29,867 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:29,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:29,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash 515794747, now seen corresponding path program 1 times [2022-07-14 00:54:29,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:54:29,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564421558] [2022-07-14 00:54:29,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:54:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:54:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:54:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:54:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:54:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:54:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:54:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:54:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:54:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:54:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:54:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:54:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:54:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:54:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:54:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:54:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:54:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:54:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:54:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:54:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:54:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:54:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:54:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-14 00:54:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:54:31,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564421558] [2022-07-14 00:54:31,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564421558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:31,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:31,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:54:31,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353150811] [2022-07-14 00:54:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:31,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:54:31,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:54:31,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:54:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:54:31,251 INFO L87 Difference]: Start difference. First operand has 1641 states, 1155 states have (on average 1.3593073593073592) internal successors, (1570), 1182 states have internal predecessors, (1570), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:54:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:37,511 INFO L93 Difference]: Finished difference Result 3664 states and 5412 transitions. [2022-07-14 00:54:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:54:37,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 318 [2022-07-14 00:54:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:37,548 INFO L225 Difference]: With dead ends: 3664 [2022-07-14 00:54:37,548 INFO L226 Difference]: Without dead ends: 2015 [2022-07-14 00:54:37,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:54:37,570 INFO L413 NwaCegarLoop]: 2048 mSDtfsCounter, 3268 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 2419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 3935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2419 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:37,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 3532 Invalid, 3935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2419 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-14 00:54:37,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-07-14 00:54:37,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1628. [2022-07-14 00:54:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1149 states have (on average 1.3533507397737163) internal successors, (1555), 1169 states have internal predecessors, (1555), 382 states have call successors, (382), 97 states have call predecessors, (382), 96 states have return successors, (380), 373 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-14 00:54:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2317 transitions. [2022-07-14 00:54:37,746 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2317 transitions. Word has length 318 [2022-07-14 00:54:37,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:37,749 INFO L495 AbstractCegarLoop]: Abstraction has 1628 states and 2317 transitions. [2022-07-14 00:54:37,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:54:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2317 transitions. [2022-07-14 00:54:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-14 00:54:37,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:37,762 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:37,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:54:37,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:37,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:37,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2143438509, now seen corresponding path program 1 times [2022-07-14 00:54:37,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:54:37,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030594948] [2022-07-14 00:54:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:37,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:54:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:54:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:54:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:54:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:54:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:54:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:54:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:54:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:54:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:54:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:54:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:54:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:54:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:54:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:54:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:54:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:54:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:54:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:54:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:54:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:54:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:54:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:54:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-14 00:54:38,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:54:38,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030594948] [2022-07-14 00:54:38,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030594948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:38,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:38,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:54:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568616652] [2022-07-14 00:54:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:38,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:54:38,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:54:38,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:54:38,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:54:38,621 INFO L87 Difference]: Start difference. First operand 1628 states and 2317 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:54:49,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:49,066 INFO L93 Difference]: Finished difference Result 5549 states and 8145 transitions. [2022-07-14 00:54:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:54:49,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 318 [2022-07-14 00:54:49,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:49,099 INFO L225 Difference]: With dead ends: 5549 [2022-07-14 00:54:49,100 INFO L226 Difference]: Without dead ends: 3962 [2022-07-14 00:54:49,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:54:49,113 INFO L413 NwaCegarLoop]: 2342 mSDtfsCounter, 5907 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 4879 mSolverCounterSat, 3135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 5799 SdHoareTripleChecker+Invalid, 8014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3135 IncrementalHoareTripleChecker+Valid, 4879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:49,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6260 Valid, 5799 Invalid, 8014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3135 Valid, 4879 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-07-14 00:54:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2022-07-14 00:54:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3273. [2022-07-14 00:54:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3273 states, 2320 states have (on average 1.355603448275862) internal successors, (3145), 2360 states have internal predecessors, (3145), 757 states have call successors, (757), 192 states have call predecessors, (757), 195 states have return successors, (777), 744 states have call predecessors, (777), 755 states have call successors, (777) [2022-07-14 00:54:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 3273 states and 4679 transitions. [2022-07-14 00:54:49,373 INFO L78 Accepts]: Start accepts. Automaton has 3273 states and 4679 transitions. Word has length 318 [2022-07-14 00:54:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:49,375 INFO L495 AbstractCegarLoop]: Abstraction has 3273 states and 4679 transitions. [2022-07-14 00:54:49,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:54:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 4679 transitions. [2022-07-14 00:54:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-14 00:54:49,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:49,389 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:49,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:54:49,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:49,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1222623352, now seen corresponding path program 1 times [2022-07-14 00:54:49,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:54:49,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530577270] [2022-07-14 00:54:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:54:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:54:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:54:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:54:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:54:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:54:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:54:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:54:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:54:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:54:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:54:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:54:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:54:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:54:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:54:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:54:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:54:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:54:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:54:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:54:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:54:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:54:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 00:54:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 00:54:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-14 00:54:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-14 00:54:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:54:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-14 00:54:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-14 00:54:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-14 00:54:50,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:54:50,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530577270] [2022-07-14 00:54:50,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530577270] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:50,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:50,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:54:50,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118113574] [2022-07-14 00:54:50,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:50,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:54:50,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:54:50,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:54:50,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:54:50,093 INFO L87 Difference]: Start difference. First operand 3273 states and 4679 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 00:55:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:03,247 INFO L93 Difference]: Finished difference Result 7956 states and 11622 transitions. [2022-07-14 00:55:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:55:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 377 [2022-07-14 00:55:03,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:03,283 INFO L225 Difference]: With dead ends: 7956 [2022-07-14 00:55:03,283 INFO L226 Difference]: Without dead ends: 4735 [2022-07-14 00:55:03,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:55:03,304 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 1841 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 5650 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 6621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 5650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:03,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2068 Valid, 5528 Invalid, 6621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [971 Valid, 5650 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-07-14 00:55:03,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2022-07-14 00:55:03,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 3859. [2022-07-14 00:55:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3859 states, 2743 states have (on average 1.3550856726212177) internal successors, (3717), 2797 states have internal predecessors, (3717), 868 states have call successors, (868), 243 states have call predecessors, (868), 247 states have return successors, (890), 854 states have call predecessors, (890), 866 states have call successors, (890) [2022-07-14 00:55:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 3859 states and 5475 transitions. [2022-07-14 00:55:03,518 INFO L78 Accepts]: Start accepts. Automaton has 3859 states and 5475 transitions. Word has length 377 [2022-07-14 00:55:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:03,520 INFO L495 AbstractCegarLoop]: Abstraction has 3859 states and 5475 transitions. [2022-07-14 00:55:03,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 00:55:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 5475 transitions. [2022-07-14 00:55:03,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-14 00:55:03,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:03,535 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:03,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:55:03,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:03,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:03,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1463686418, now seen corresponding path program 1 times [2022-07-14 00:55:03,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:03,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964484562] [2022-07-14 00:55:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:03,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:55:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:55:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:55:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:55:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:55:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:55:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:55:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:55:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:55:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-14 00:55:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 00:55:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-14 00:55:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 00:55:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 00:55:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 00:55:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 00:55:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2022-07-14 00:55:04,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:04,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964484562] [2022-07-14 00:55:04,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964484562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:04,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:55:04,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:55:04,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715516234] [2022-07-14 00:55:04,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:04,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:55:04,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:55:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:55:04,259 INFO L87 Difference]: Start difference. First operand 3859 states and 5475 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:55:13,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:13,922 INFO L93 Difference]: Finished difference Result 8539 states and 12419 transitions. [2022-07-14 00:55:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:55:13,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 412 [2022-07-14 00:55:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:13,956 INFO L225 Difference]: With dead ends: 8539 [2022-07-14 00:55:13,956 INFO L226 Difference]: Without dead ends: 4740 [2022-07-14 00:55:13,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:55:13,979 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 1392 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 5483 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 6106 SdHoareTripleChecker+Invalid, 6234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 5483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:13,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 6106 Invalid, 6234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 5483 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-14 00:55:13,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4740 states. [2022-07-14 00:55:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4740 to 3862. [2022-07-14 00:55:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2746 states have (on average 1.3539694100509831) internal successors, (3718), 2800 states have internal predecessors, (3718), 868 states have call successors, (868), 243 states have call predecessors, (868), 247 states have return successors, (890), 854 states have call predecessors, (890), 866 states have call successors, (890) [2022-07-14 00:55:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5476 transitions. [2022-07-14 00:55:14,203 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5476 transitions. Word has length 412 [2022-07-14 00:55:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:14,204 INFO L495 AbstractCegarLoop]: Abstraction has 3862 states and 5476 transitions. [2022-07-14 00:55:14,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:55:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5476 transitions. [2022-07-14 00:55:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-14 00:55:14,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:14,219 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:14,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:55:14,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:14,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1972843834, now seen corresponding path program 1 times [2022-07-14 00:55:14,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:14,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478650884] [2022-07-14 00:55:14,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:14,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:55:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:55:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:55:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:55:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:55:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:55:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:55:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:55:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:55:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 00:55:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 00:55:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-14 00:55:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 00:55:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 00:55:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-14 00:55:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 00:55:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-07-14 00:55:15,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:15,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478650884] [2022-07-14 00:55:15,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478650884] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:55:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95858869] [2022-07-14 00:55:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:15,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:15,092 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) [2022-07-14 00:55:15,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:55:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:16,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 3820 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-14 00:55:16,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-07-14 00:55:16,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:55:16,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95858869] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:16,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:55:16,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2022-07-14 00:55:16,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285683370] [2022-07-14 00:55:16,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:16,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:55:16,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:16,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:55:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:55:16,991 INFO L87 Difference]: Start difference. First operand 3862 states and 5476 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-14 00:55:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:17,245 INFO L93 Difference]: Finished difference Result 7672 states and 10936 transitions. [2022-07-14 00:55:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:55:17,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 416 [2022-07-14 00:55:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:17,272 INFO L225 Difference]: With dead ends: 7672 [2022-07-14 00:55:17,272 INFO L226 Difference]: Without dead ends: 3876 [2022-07-14 00:55:17,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:55:17,295 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 2 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9270 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:17,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9270 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:55:17,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2022-07-14 00:55:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3870. [2022-07-14 00:55:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3870 states, 2752 states have (on average 1.3531976744186047) internal successors, (3724), 2806 states have internal predecessors, (3724), 868 states have call successors, (868), 243 states have call predecessors, (868), 249 states have return successors, (900), 856 states have call predecessors, (900), 866 states have call successors, (900) [2022-07-14 00:55:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5492 transitions. [2022-07-14 00:55:17,570 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5492 transitions. Word has length 416 [2022-07-14 00:55:17,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:17,571 INFO L495 AbstractCegarLoop]: Abstraction has 3870 states and 5492 transitions. [2022-07-14 00:55:17,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-14 00:55:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5492 transitions. [2022-07-14 00:55:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-14 00:55:17,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:17,586 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:17,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:17,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:17,812 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:17,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1673984889, now seen corresponding path program 1 times [2022-07-14 00:55:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:17,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684385491] [2022-07-14 00:55:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:55:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:55:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:55:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:55:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:55:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:55:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:55:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:55:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:55:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 00:55:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 00:55:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-14 00:55:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 00:55:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 00:55:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-14 00:55:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 00:55:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-07-14 00:55:18,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:18,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684385491] [2022-07-14 00:55:18,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684385491] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:55:18,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236693033] [2022-07-14 00:55:18,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:18,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:18,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:18,624 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) [2022-07-14 00:55:18,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 00:55:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:20,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 3823 conjuncts, 51 conjunts are in the unsatisfiable core [2022-07-14 00:55:20,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2022-07-14 00:55:20,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:55:20,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236693033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:20,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:55:20,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 19 [2022-07-14 00:55:20,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392342780] [2022-07-14 00:55:20,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:20,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:55:20,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:20,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:55:20,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-07-14 00:55:20,407 INFO L87 Difference]: Start difference. First operand 3870 states and 5492 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:55:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:21,162 INFO L93 Difference]: Finished difference Result 7714 states and 10985 transitions. [2022-07-14 00:55:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 00:55:21,163 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 418 [2022-07-14 00:55:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:21,183 INFO L225 Difference]: With dead ends: 7714 [2022-07-14 00:55:21,183 INFO L226 Difference]: Without dead ends: 3910 [2022-07-14 00:55:21,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2022-07-14 00:55:21,228 INFO L413 NwaCegarLoop]: 2311 mSDtfsCounter, 19 mSDsluCounter, 20756 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 23067 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:21,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 23067 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:55:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-07-14 00:55:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3896. [2022-07-14 00:55:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 2773 states have (on average 1.3505228993869456) internal successors, (3745), 2828 states have internal predecessors, (3745), 868 states have call successors, (868), 243 states have call predecessors, (868), 254 states have return successors, (929), 860 states have call predecessors, (929), 866 states have call successors, (929) [2022-07-14 00:55:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5542 transitions. [2022-07-14 00:55:21,420 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5542 transitions. Word has length 418 [2022-07-14 00:55:21,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:21,422 INFO L495 AbstractCegarLoop]: Abstraction has 3896 states and 5542 transitions. [2022-07-14 00:55:21,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-14 00:55:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5542 transitions. [2022-07-14 00:55:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-14 00:55:21,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:21,435 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:21,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:21,651 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,SelfDestructingSolverStorable5 [2022-07-14 00:55:21,652 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:21,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:21,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1474914900, now seen corresponding path program 1 times [2022-07-14 00:55:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:21,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323634237] [2022-07-14 00:55:21,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 00:55:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 00:55:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 00:55:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 00:55:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:55:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 00:55:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 00:55:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 00:55:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 00:55:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 00:55:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 00:55:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:55:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:55:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-14 00:55:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 00:55:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 00:55:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 00:55:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-14 00:55:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2022-07-14 00:55:22,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:22,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323634237] [2022-07-14 00:55:22,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323634237] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:55:22,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034172283] [2022-07-14 00:55:22,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:22,404 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) [2022-07-14 00:55:22,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 00:55:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:24,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-14 00:55:24,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2022-07-14 00:55:24,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:55:24,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034172283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:24,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:55:24,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-07-14 00:55:24,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078863719] [2022-07-14 00:55:24,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:24,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:55:24,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:24,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:55:24,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:55:24,364 INFO L87 Difference]: Start difference. First operand 3896 states and 5542 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 00:55:24,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:24,636 INFO L93 Difference]: Finished difference Result 7766 states and 11080 transitions. [2022-07-14 00:55:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:55:24,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 438 [2022-07-14 00:55:24,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:24,669 INFO L225 Difference]: With dead ends: 7766 [2022-07-14 00:55:24,670 INFO L226 Difference]: Without dead ends: 3899 [2022-07-14 00:55:24,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:55:24,684 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 6 mSDsluCounter, 9192 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:24,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11497 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:55:24,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3899 states. [2022-07-14 00:55:24,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3899 to 3899. [2022-07-14 00:55:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3899 states, 2776 states have (on average 1.3501440922190202) internal successors, (3748), 2831 states have internal predecessors, (3748), 868 states have call successors, (868), 243 states have call predecessors, (868), 254 states have return successors, (929), 860 states have call predecessors, (929), 866 states have call successors, (929) [2022-07-14 00:55:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5545 transitions. [2022-07-14 00:55:24,894 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5545 transitions. Word has length 438 [2022-07-14 00:55:24,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:24,894 INFO L495 AbstractCegarLoop]: Abstraction has 3899 states and 5545 transitions. [2022-07-14 00:55:24,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 00:55:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5545 transitions. [2022-07-14 00:55:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-07-14 00:55:24,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:24,908 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:24,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:25,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:25,128 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:25,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:25,128 INFO L85 PathProgramCache]: Analyzing trace with hash -18710616, now seen corresponding path program 1 times [2022-07-14 00:55:25,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:25,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513359858] [2022-07-14 00:55:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 00:55:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 00:55:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 00:55:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 00:55:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 00:55:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 00:55:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 00:55:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-14 00:55:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-14 00:55:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-14 00:55:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 00:55:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:55:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:55:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-14 00:55:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-14 00:55:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 00:55:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-14 00:55:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 00:55:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1643 trivial. 0 not checked. [2022-07-14 00:55:25,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:25,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513359858] [2022-07-14 00:55:25,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513359858] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:55:25,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345962424] [2022-07-14 00:55:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:25,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:25,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:25,941 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) [2022-07-14 00:55:25,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 00:55:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:28,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 4025 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-14 00:55:28,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 428 proven. 15 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-07-14 00:55:28,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:55:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 70 proven. 11 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2022-07-14 00:55:28,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345962424] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:55:28,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 00:55:28,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 20 [2022-07-14 00:55:28,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57591597] [2022-07-14 00:55:28,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 00:55:28,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-14 00:55:28,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:28,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-14 00:55:28,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:55:28,862 INFO L87 Difference]: Start difference. First operand 3899 states and 5545 transitions. Second operand has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2022-07-14 00:55:42,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:55:47,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:55:52,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:52,787 INFO L93 Difference]: Finished difference Result 8904 states and 12948 transitions. [2022-07-14 00:55:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-14 00:55:52,788 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) Word has length 447 [2022-07-14 00:55:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:52,826 INFO L225 Difference]: With dead ends: 8904 [2022-07-14 00:55:52,826 INFO L226 Difference]: Without dead ends: 5022 [2022-07-14 00:55:52,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=1530, Unknown=0, NotChecked=0, Total=1806 [2022-07-14 00:55:52,840 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 1702 mSDsluCounter, 11989 mSDsCounter, 0 mSdLazyCounter, 15984 mSolverCounterSat, 866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 14004 SdHoareTripleChecker+Invalid, 16850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 15984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:52,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1911 Valid, 14004 Invalid, 16850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [866 Valid, 15984 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2022-07-14 00:55:52,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2022-07-14 00:55:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 4138. [2022-07-14 00:55:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 2954 states have (on average 1.3483412322274881) internal successors, (3983), 3011 states have internal predecessors, (3983), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-14 00:55:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5860 transitions. [2022-07-14 00:55:53,074 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5860 transitions. Word has length 447 [2022-07-14 00:55:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:53,075 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5860 transitions. [2022-07-14 00:55:53,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2022-07-14 00:55:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5860 transitions. [2022-07-14 00:55:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-14 00:55:53,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:53,089 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:55:53,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:53,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:53,314 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:53,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1377064145, now seen corresponding path program 1 times [2022-07-14 00:55:53,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:53,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362268115] [2022-07-14 00:55:53,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:55:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:55:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:55:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:55:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 00:55:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 00:55:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 00:55:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-14 00:55:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 00:55:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 00:55:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 00:55:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 00:55:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-14 00:55:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:55:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:55:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 00:55:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 00:55:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:55:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:55:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 00:55:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-14 00:55:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-14 00:55:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:55:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-14 00:55:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-14 00:55:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-07-14 00:55:54,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:54,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362268115] [2022-07-14 00:55:54,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362268115] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:55:54,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655075404] [2022-07-14 00:55:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:54,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:55:54,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:54,615 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) [2022-07-14 00:55:54,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 00:55:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:58,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 4227 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-14 00:55:58,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2022-07-14 00:55:59,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:55:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-07-14 00:55:59,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655075404] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:55:59,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 00:55:59,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 21 [2022-07-14 00:55:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485561336] [2022-07-14 00:55:59,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 00:55:59,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-14 00:55:59,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-14 00:55:59,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:55:59,661 INFO L87 Difference]: Start difference. First operand 4138 states and 5860 transitions. Second operand has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2022-07-14 00:56:19,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:25,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:25,383 INFO L93 Difference]: Finished difference Result 9124 states and 13239 transitions. [2022-07-14 00:56:25,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-14 00:56:25,384 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 476 [2022-07-14 00:56:25,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:25,410 INFO L225 Difference]: With dead ends: 9124 [2022-07-14 00:56:25,410 INFO L226 Difference]: Without dead ends: 5012 [2022-07-14 00:56:25,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1083 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=220, Invalid=1262, Unknown=0, NotChecked=0, Total=1482 [2022-07-14 00:56:25,426 INFO L413 NwaCegarLoop]: 2009 mSDtfsCounter, 2467 mSDsluCounter, 14846 mSDsCounter, 0 mSdLazyCounter, 18779 mSolverCounterSat, 1778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2648 SdHoareTripleChecker+Valid, 16855 SdHoareTripleChecker+Invalid, 20557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1778 IncrementalHoareTripleChecker+Valid, 18779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:25,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2648 Valid, 16855 Invalid, 20557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1778 Valid, 18779 Invalid, 0 Unknown, 0 Unchecked, 24.6s Time] [2022-07-14 00:56:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2022-07-14 00:56:25,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4141. [2022-07-14 00:56:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4141 states, 2957 states have (on average 1.3479878254988165) internal successors, (3986), 3014 states have internal predecessors, (3986), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-14 00:56:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 5863 transitions. [2022-07-14 00:56:25,652 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 5863 transitions. Word has length 476 [2022-07-14 00:56:25,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:25,653 INFO L495 AbstractCegarLoop]: Abstraction has 4141 states and 5863 transitions. [2022-07-14 00:56:25,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2022-07-14 00:56:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 5863 transitions. [2022-07-14 00:56:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-14 00:56:25,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:25,667 INFO L195 NwaCegarLoop]: trace histogram [27, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 00:56:25,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:56:25,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:25,896 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:25,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:25,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1955286989, now seen corresponding path program 2 times [2022-07-14 00:56:25,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:25,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909448527] [2022-07-14 00:56:25,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:56:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:56:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:56:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:56:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:56:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 00:56:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 00:56:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 00:56:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 00:56:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 00:56:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-14 00:56:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 00:56:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 00:56:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-14 00:56:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 00:56:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 00:56:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-14 00:56:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-14 00:56:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:56:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 00:56:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-14 00:56:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2079 trivial. 0 not checked. [2022-07-14 00:56:27,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:27,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909448527] [2022-07-14 00:56:27,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909448527] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:56:27,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789549948] [2022-07-14 00:56:27,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:56:27,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:27,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:56:27,758 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) [2022-07-14 00:56:27,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-14 00:56:29,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:56:29,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:56:29,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 00:56:29,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:56:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2261 trivial. 0 not checked. [2022-07-14 00:56:29,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:56:29,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789549948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:56:29,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:56:29,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-14 00:56:29,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493778901] [2022-07-14 00:56:29,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:56:29,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:56:29,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:29,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:56:29,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:56:29,278 INFO L87 Difference]: Start difference. First operand 4141 states and 5863 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-14 00:56:29,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:29,870 INFO L93 Difference]: Finished difference Result 8004 states and 11372 transitions. [2022-07-14 00:56:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 00:56:29,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 485 [2022-07-14 00:56:29,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:29,895 INFO L225 Difference]: With dead ends: 8004 [2022-07-14 00:56:29,896 INFO L226 Difference]: Without dead ends: 4163 [2022-07-14 00:56:29,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:56:29,914 INFO L413 NwaCegarLoop]: 2314 mSDtfsCounter, 13 mSDsluCounter, 6915 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 9229 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:29,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 9229 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:56:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4163 states. [2022-07-14 00:56:30,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4163 to 4141. [2022-07-14 00:56:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4141 states, 2957 states have (on average 1.3479878254988165) internal successors, (3986), 3014 states have internal predecessors, (3986), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-14 00:56:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 5863 transitions. [2022-07-14 00:56:30,120 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 5863 transitions. Word has length 485 [2022-07-14 00:56:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:30,121 INFO L495 AbstractCegarLoop]: Abstraction has 4141 states and 5863 transitions. [2022-07-14 00:56:30,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-14 00:56:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 5863 transitions. [2022-07-14 00:56:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-07-14 00:56:30,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:30,134 INFO L195 NwaCegarLoop]: trace histogram [27, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-07-14 00:56:30,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:56:30,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:30,348 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:30,348 INFO L85 PathProgramCache]: Analyzing trace with hash 612196623, now seen corresponding path program 1 times [2022-07-14 00:56:30,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:30,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187715274] [2022-07-14 00:56:30,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:30,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:56:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:56:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:56:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:56:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:56:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 00:56:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 00:56:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 00:56:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 00:56:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 00:56:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-14 00:56:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 00:56:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 00:56:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-14 00:56:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 00:56:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 00:56:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 00:56:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 00:56:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-14 00:56:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-14 00:56:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 00:56:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-14 00:56:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-14 00:56:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-14 00:56:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:56:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-14 00:56:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-14 00:56:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2268 trivial. 0 not checked. [2022-07-14 00:56:31,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:31,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187715274] [2022-07-14 00:56:31,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187715274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:56:31,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:56:31,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 00:56:31,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020969356] [2022-07-14 00:56:31,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:56:31,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 00:56:31,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:31,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 00:56:31,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:56:31,323 INFO L87 Difference]: Start difference. First operand 4141 states and 5863 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-14 00:56:39,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:44,900 INFO L93 Difference]: Finished difference Result 8873 states and 12884 transitions. [2022-07-14 00:56:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:56:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 520 [2022-07-14 00:56:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:44,923 INFO L225 Difference]: With dead ends: 8873 [2022-07-14 00:56:44,924 INFO L226 Difference]: Without dead ends: 5032 [2022-07-14 00:56:44,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:56:44,943 INFO L413 NwaCegarLoop]: 2017 mSDtfsCounter, 2457 mSDsluCounter, 8282 mSDsCounter, 0 mSdLazyCounter, 10233 mSolverCounterSat, 1741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2639 SdHoareTripleChecker+Valid, 10299 SdHoareTripleChecker+Invalid, 11974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 10233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:44,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2639 Valid, 10299 Invalid, 11974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1741 Valid, 10233 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-07-14 00:56:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2022-07-14 00:56:45,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4149. [2022-07-14 00:56:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4149 states, 2965 states have (on average 1.3470489038785836) internal successors, (3994), 3020 states have internal predecessors, (3994), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 902 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-14 00:56:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5871 transitions. [2022-07-14 00:56:45,168 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5871 transitions. Word has length 520 [2022-07-14 00:56:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:45,169 INFO L495 AbstractCegarLoop]: Abstraction has 4149 states and 5871 transitions. [2022-07-14 00:56:45,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-14 00:56:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5871 transitions. [2022-07-14 00:56:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-07-14 00:56:45,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:45,182 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:56:45,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 00:56:45,183 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:45,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:45,183 INFO L85 PathProgramCache]: Analyzing trace with hash -723487094, now seen corresponding path program 1 times [2022-07-14 00:56:45,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:45,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85233534] [2022-07-14 00:56:45,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:45,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:56:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:56:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:56:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:56:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 00:56:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 00:56:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 00:56:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 00:56:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 00:56:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 00:56:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-14 00:56:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 00:56:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 00:56:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-14 00:56:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 00:56:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 00:56:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-14 00:56:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 00:56:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-14 00:56:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-14 00:56:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-14 00:56:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:56:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:56:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-14 00:56:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-14 00:56:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-14 00:56:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:56:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-14 00:56:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-14 00:56:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2022-07-14 00:56:47,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:47,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85233534] [2022-07-14 00:56:47,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85233534] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:56:47,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123361405] [2022-07-14 00:56:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:47,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:47,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:56:47,052 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) [2022-07-14 00:56:47,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-14 00:56:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:52,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-14 00:56:52,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:56:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 648 proven. 6 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2022-07-14 00:56:52,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:56:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2022-07-14 00:56:53,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123361405] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:56:53,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 00:56:53,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 23 [2022-07-14 00:56:53,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019475254] [2022-07-14 00:56:53,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 00:56:53,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-14 00:56:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:53,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-14 00:56:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2022-07-14 00:56:53,607 INFO L87 Difference]: Start difference. First operand 4149 states and 5871 transitions. Second operand has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) [2022-07-14 00:57:14,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:57:14,044 INFO L93 Difference]: Finished difference Result 9146 states and 13261 transitions. [2022-07-14 00:57:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-14 00:57:14,045 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) Word has length 540 [2022-07-14 00:57:14,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:57:14,071 INFO L225 Difference]: With dead ends: 9146 [2022-07-14 00:57:14,072 INFO L226 Difference]: Without dead ends: 5023 [2022-07-14 00:57:14,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1271 GetRequests, 1229 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2022-07-14 00:57:14,089 INFO L413 NwaCegarLoop]: 1989 mSDtfsCounter, 2469 mSDsluCounter, 12596 mSDsCounter, 0 mSdLazyCounter, 15819 mSolverCounterSat, 1802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 14585 SdHoareTripleChecker+Invalid, 17621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 15819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:57:14,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 14585 Invalid, 17621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1802 Valid, 15819 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2022-07-14 00:57:14,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-07-14 00:57:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4152. [2022-07-14 00:57:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4152 states, 2968 states have (on average 1.346698113207547) internal successors, (3997), 3023 states have internal predecessors, (3997), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 902 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-14 00:57:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 4152 states and 5874 transitions. [2022-07-14 00:57:14,303 INFO L78 Accepts]: Start accepts. Automaton has 4152 states and 5874 transitions. Word has length 540 [2022-07-14 00:57:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:57:14,304 INFO L495 AbstractCegarLoop]: Abstraction has 4152 states and 5874 transitions. [2022-07-14 00:57:14,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) [2022-07-14 00:57:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 5874 transitions. [2022-07-14 00:57:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-14 00:57:14,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:57:14,385 INFO L195 NwaCegarLoop]: trace histogram [36, 19, 19, 19, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:57:14,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-14 00:57:14,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:57:14,596 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:57:14,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:57:14,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2048148090, now seen corresponding path program 2 times [2022-07-14 00:57:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:57:14,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913225334] [2022-07-14 00:57:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:57:14,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:57:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:57:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:57:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:57:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:57:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:57:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:57:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:57:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:57:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 00:57:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:57:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 00:57:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 00:57:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 00:57:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 00:57:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 00:57:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 00:57:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 00:57:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-14 00:57:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 00:57:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-14 00:57:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 00:57:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:57:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:57:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 00:57:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 00:57:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:57:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:57:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-14 00:57:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-14 00:57:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-14 00:57:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-14 00:57:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-14 00:57:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-14 00:57:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:57:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 00:57:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-14 00:57:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-14 00:57:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-14 00:57:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:57:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-14 00:57:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-14 00:57:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2796 backedges. 31 proven. 227 refuted. 0 times theorem prover too weak. 2538 trivial. 0 not checked. [2022-07-14 00:57:16,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:57:16,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913225334] [2022-07-14 00:57:16,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913225334] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:57:16,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594581192] [2022-07-14 00:57:16,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:57:16,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:57:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:57:16,255 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) [2022-07-14 00:57:16,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-14 00:57:20,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 00:57:20,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:57:20,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 221 conjunts are in the unsatisfiable core [2022-07-14 00:57:20,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:57:20,213 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 [2022-07-14 00:57:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:20,826 INFO L356 Elim1Store]: treesize reduction 527, result has 16.2 percent of original size [2022-07-14 00:57:20,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 33 treesize of output 110 [2022-07-14 00:57:20,981 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 [2022-07-14 00:57:21,036 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 [2022-07-14 00:57:21,048 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 [2022-07-14 00:57:21,065 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 [2022-07-14 00:57:21,233 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-14 00:57:21,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-14 00:57:21,349 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-07-14 00:57:21,349 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 1 case distinctions, treesize of input 16 treesize of output 17 [2022-07-14 00:57:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-07-14 00:57:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2022-07-14 00:57:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-07-14 00:57:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-07-14 00:57:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2022-07-14 00:57:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 24 [2022-07-14 00:57:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:21,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-07-14 00:57:22,070 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 7 treesize of output 3 [2022-07-14 00:57:22,074 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 7 treesize of output 3 [2022-07-14 00:57:23,397 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_9351 Int) (v_ArrVal_9353 Int) (v_ArrVal_9354 Int) (INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_9355 Int)) (let ((.cse0 (+ 8 INIT_LIST_HEAD_~list.offset))) (and (= (store |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_9351) .cse0 v_ArrVal_9353)) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_9354) .cse0 v_ArrVal_9355))) (<= |c_INIT_LIST_HEAD_#in~list.offset| INIT_LIST_HEAD_~list.offset)))) is different from true [2022-07-14 00:57:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-07-14 00:57:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-07-14 00:57:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-07-14 00:57:23,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-14 00:57:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-14 00:57:23,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-07-14 00:57:23,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-07-14 00:57:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:23,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-14 00:57:23,949 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-14 00:57:23,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 50 [2022-07-14 00:57:23,959 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 24 treesize of output 26 [2022-07-14 00:57:24,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:24,162 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 14 treesize of output 16 [2022-07-14 00:57:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:57:24,169 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 31 treesize of output 29 [2022-07-14 00:57:24,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-14 00:57:24,462 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-14 00:57:24,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 14 [2022-07-14 00:57:24,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-14 00:57:24,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-07-14 00:57:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2796 backedges. 328 proven. 24 refuted. 0 times theorem prover too weak. 2442 trivial. 2 not checked. [2022-07-14 00:57:24,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:57:24,711 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (+ 112 |c_multipath_ctr_~m~5#1.base| |c_multipath_ctr_~m~5#1.offset|) 18446744073709551616) (mod (let ((.cse0 (+ 112 |c_multipath_ctr_~m~5#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_~m~5#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_~m~5#1.base|) .cse0))) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-14 00:57:24,725 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)) (= (mod (let ((.cse0 (+ 112 |c_multipath_ctr_alloc_multipath_#res#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_#res#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_#res#1.base|) .cse0))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_#res#1.offset| |c_multipath_ctr_alloc_multipath_#res#1.base|) 18446744073709551616)))) is different from false [2022-07-14 00:57:24,738 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-14 00:57:24,761 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9370 Int) (v_ArrVal_9371 (Array Int Int)) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9365 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ 16 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|)) (.cse1 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (select |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9370)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9371) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse1) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (select |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 |c_multipath_ctr_alloc_multipath_~ti#1.base|)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9365) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse1))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-14 00:57:24,783 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9362 Int) (|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9370 Int) (v_ArrVal_9361 Int) (v_ArrVal_9371 (Array Int Int)) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9365 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ |c_multipath_ctr_alloc_multipath_~m~1#1.offset| 349)) (.cse1 (+ 16 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|)) (.cse2 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9362) .cse1 v_ArrVal_9370)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9371) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse2) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9361) .cse1 |c_multipath_ctr_alloc_multipath_~ti#1.base|)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9365) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse2))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-14 00:57:24,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594581192] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:57:24,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:57:24,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 33] total 46 [2022-07-14 00:57:24,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477953335] [2022-07-14 00:57:24,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:57:24,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-14 00:57:24,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:57:24,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-14 00:57:24,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2133, Unknown=6, NotChecked=582, Total=2862 [2022-07-14 00:57:24,843 INFO L87 Difference]: Start difference. First operand 4152 states and 5874 transitions. Second operand has 46 states, 45 states have (on average 6.177777777777778) internal successors, (278), 35 states have internal predecessors, (278), 14 states have call successors, (101), 14 states have call predecessors, (101), 12 states have return successors, (78), 13 states have call predecessors, (78), 13 states have call successors, (78)