./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-009.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 18:47:45,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 18:47:45,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 18:47:45,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 18:47:45,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 18:47:45,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 18:47:45,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 18:47:45,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 18:47:45,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 18:47:45,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 18:47:45,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 18:47:45,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 18:47:45,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 18:47:45,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 18:47:45,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 18:47:45,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 18:47:45,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 18:47:45,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 18:47:45,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 18:47:45,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 18:47:45,709 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 18:47:45,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 18:47:45,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 18:47:45,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 18:47:45,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 18:47:45,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 18:47:45,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 18:47:45,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 18:47:45,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 18:47:45,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 18:47:45,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 18:47:45,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 18:47:45,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 18:47:45,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 18:47:45,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 18:47:45,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 18:47:45,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 18:47:45,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 18:47:45,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 18:47:45,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 18:47:45,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 18:47:45,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 18:47:45,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 18:47:45,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 18:47:45,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 18:47:45,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 18:47:45,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 18:47:45,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 18:47:45,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 18:47:45,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 18:47:45,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 18:47:45,751 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 18:47:45,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 18:47:45,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 18:47:45,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 18:47:45,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 18:47:45,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 18:47:45,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 18:47:45,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 18:47:45,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 18:47:45,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 18:47:45,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:47:45,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 18:47:45,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 18:47:45,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 18:47:45,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 18:47:45,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 18:47:45,755 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 18:47:45,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 18:47:45,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 18:47:45,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2022-07-19 18:47:45,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 18:47:45,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 18:47:45,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 18:47:45,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 18:47:45,968 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 18:47:45,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-009.c [2022-07-19 18:47:46,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83652a419/dd2cdb1b86f94dd6b28a620c7f168dd4/FLAG6d2bde453 [2022-07-19 18:47:46,357 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 18:47:46,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-009.c [2022-07-19 18:47:46,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83652a419/dd2cdb1b86f94dd6b28a620c7f168dd4/FLAG6d2bde453 [2022-07-19 18:47:46,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83652a419/dd2cdb1b86f94dd6b28a620c7f168dd4 [2022-07-19 18:47:46,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 18:47:46,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 18:47:46,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 18:47:46,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 18:47:46,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 18:47:46,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:47:46" (1/1) ... [2022-07-19 18:47:46,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db2dffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:46, skipping insertion in model container [2022-07-19 18:47:46,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:47:46" (1/1) ... [2022-07-19 18:47:46,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 18:47:46,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 18:47:46,982 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/xcsp/AllInterval-009.c[5030,5043] [2022-07-19 18:47:46,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:47:46,991 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 18:47:47,018 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/xcsp/AllInterval-009.c[5030,5043] [2022-07-19 18:47:47,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:47:47,029 INFO L208 MainTranslator]: Completed translation [2022-07-19 18:47:47,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47 WrapperNode [2022-07-19 18:47:47,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 18:47:47,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 18:47:47,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 18:47:47,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 18:47:47,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,077 INFO L137 Inliner]: procedures = 13, calls = 113, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 240 [2022-07-19 18:47:47,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 18:47:47,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 18:47:47,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 18:47:47,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 18:47:47,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 18:47:47,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 18:47:47,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 18:47:47,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 18:47:47,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (1/1) ... [2022-07-19 18:47:47,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:47:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:47:47,145 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) [2022-07-19 18:47:47,164 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 [2022-07-19 18:47:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 18:47:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 18:47:47,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 18:47:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 18:47:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-19 18:47:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-19 18:47:47,267 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 18:47:47,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 18:47:47,482 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 18:47:47,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 18:47:47,488 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 18:47:47,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:47:47 BoogieIcfgContainer [2022-07-19 18:47:47,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 18:47:47,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 18:47:47,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 18:47:47,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 18:47:47,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 06:47:46" (1/3) ... [2022-07-19 18:47:47,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47281457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:47:47, skipping insertion in model container [2022-07-19 18:47:47,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:47:47" (2/3) ... [2022-07-19 18:47:47,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47281457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:47:47, skipping insertion in model container [2022-07-19 18:47:47,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:47:47" (3/3) ... [2022-07-19 18:47:47,496 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2022-07-19 18:47:47,505 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 18:47:47,506 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 18:47:47,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 18:47:47,584 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@77b21d1e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3547404d [2022-07-19 18:47:47,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 18:47:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 50 states have internal predecessors, (59), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-07-19 18:47:47,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-19 18:47:47,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:47:47,635 INFO L195 NwaCegarLoop]: trace histogram [106, 106, 106, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:47:47,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:47:47,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:47:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1101918238, now seen corresponding path program 1 times [2022-07-19 18:47:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:47:47,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350623677] [2022-07-19 18:47:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:47:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:47:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:47:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:47:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:47:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:47:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:47:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:47:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:47:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:47:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:47:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:47:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:47:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:47:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:47:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:47:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:47:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:47:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:47:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:47:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:47:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:47:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:47:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:47:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:47:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:47:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:47:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:47:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:47:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:47:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:47:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:47:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:47:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:47:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:47:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:47:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:47:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:47:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-19 18:47:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-19 18:47:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 18:47:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-19 18:47:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-19 18:47:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-19 18:47:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-19 18:47:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-19 18:47:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-19 18:47:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-19 18:47:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-19 18:47:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-19 18:47:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-19 18:47:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-19 18:47:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-19 18:47:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-19 18:47:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-19 18:47:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-19 18:47:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-19 18:47:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-19 18:47:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 18:47:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 18:47:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-19 18:47:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-19 18:47:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-19 18:47:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-19 18:47:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-19 18:47:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-19 18:47:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-19 18:47:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-19 18:47:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-19 18:47:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-19 18:47:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-19 18:47:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-19 18:47:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-19 18:47:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-19 18:47:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-19 18:47:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-19 18:47:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-19 18:47:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-19 18:47:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-19 18:47:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-19 18:47:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-19 18:47:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-19 18:47:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-19 18:47:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-19 18:47:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-19 18:47:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-19 18:47:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-19 18:47:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-19 18:47:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-19 18:47:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-19 18:47:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-19 18:47:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-19 18:47:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-19 18:47:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-19 18:47:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-19 18:47:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-19 18:47:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-19 18:47:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-19 18:47:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-19 18:47:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-19 18:47:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-19 18:47:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-19 18:47:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-19 18:47:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-19 18:47:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-19 18:47:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 18:47:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-19 18:47:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-19 18:47:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22260 trivial. 0 not checked. [2022-07-19 18:47:48,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:47:48,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350623677] [2022-07-19 18:47:48,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350623677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:47:48,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:47:48,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 18:47:48,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016520441] [2022-07-19 18:47:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:47:48,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 18:47:48,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:47:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 18:47:48,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:47:48,149 INFO L87 Difference]: Start difference. First operand has 158 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 50 states have internal predecessors, (59), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 1 states have call predecessors, (106), 2 states have call successors, (106) [2022-07-19 18:47:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:47:48,222 INFO L93 Difference]: Finished difference Result 310 states and 642 transitions. [2022-07-19 18:47:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 18:47:48,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 1 states have call predecessors, (106), 2 states have call successors, (106) Word has length 574 [2022-07-19 18:47:48,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:47:48,233 INFO L225 Difference]: With dead ends: 310 [2022-07-19 18:47:48,233 INFO L226 Difference]: Without dead ends: 155 [2022-07-19 18:47:48,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 18:47:48,244 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:47:48,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 18:47:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-07-19 18:47:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-07-19 18:47:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-07-19 18:47:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 267 transitions. [2022-07-19 18:47:48,309 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 267 transitions. Word has length 574 [2022-07-19 18:47:48,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:47:48,310 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 267 transitions. [2022-07-19 18:47:48,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 1 states have call predecessors, (106), 2 states have call successors, (106) [2022-07-19 18:47:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 267 transitions. [2022-07-19 18:47:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-19 18:47:48,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:47:48,324 INFO L195 NwaCegarLoop]: trace histogram [106, 106, 106, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:47:48,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 18:47:48,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:47:48,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:47:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -609667310, now seen corresponding path program 1 times [2022-07-19 18:47:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:47:48,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601417759] [2022-07-19 18:47:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:47:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:47:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:47:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:47:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:47:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:47:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:47:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:47:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:47:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:47:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:47:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:47:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:47:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:47:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:47:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:47:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:47:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:47:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:47:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:47:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:47:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:47:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:47:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:47:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:47:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:47:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:47:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:47:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:47:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:47:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:47:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:47:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:47:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:47:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:47:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:47:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:47:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:47:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-19 18:47:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-19 18:47:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 18:47:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-19 18:47:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-19 18:47:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-19 18:47:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-19 18:47:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-19 18:47:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-19 18:47:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-19 18:47:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-19 18:47:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-19 18:47:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-19 18:47:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-19 18:47:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-19 18:47:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-19 18:47:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-19 18:47:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-19 18:47:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-19 18:47:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-19 18:47:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 18:47:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 18:47:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-19 18:47:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-19 18:47:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-19 18:47:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-19 18:47:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-19 18:47:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-19 18:47:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-19 18:47:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-19 18:47:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-19 18:47:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-19 18:47:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-19 18:47:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-19 18:47:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-19 18:47:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-19 18:47:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-19 18:47:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-19 18:47:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-19 18:47:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-19 18:47:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-19 18:47:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-19 18:47:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-19 18:47:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-19 18:47:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-19 18:47:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-19 18:47:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-19 18:47:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-19 18:47:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-19 18:47:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-19 18:47:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-19 18:47:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-19 18:47:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-19 18:47:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-19 18:47:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-19 18:47:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-19 18:47:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-19 18:47:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-19 18:47:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-19 18:47:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-19 18:47:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-19 18:47:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-19 18:47:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-19 18:47:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-19 18:47:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-19 18:47:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-19 18:47:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-19 18:47:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 18:47:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-19 18:47:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-19 18:47:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 3441 proven. 1719 refuted. 0 times theorem prover too weak. 17100 trivial. 0 not checked. [2022-07-19 18:47:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:47:58,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601417759] [2022-07-19 18:47:58,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601417759] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 18:47:58,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676496132] [2022-07-19 18:47:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:47:58,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 18:47:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:47:58,779 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) [2022-07-19 18:47:58,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 18:47:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:47:58,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 113 conjunts are in the unsatisfiable core [2022-07-19 18:47:59,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 18:48:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 4200 proven. 1626 refuted. 0 times theorem prover too weak. 16434 trivial. 0 not checked. [2022-07-19 18:48:06,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 18:48:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2964 proven. 1788 refuted. 0 times theorem prover too weak. 17508 trivial. 0 not checked. [2022-07-19 18:48:18,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676496132] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 18:48:18,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 18:48:18,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 36] total 105 [2022-07-19 18:48:18,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121459944] [2022-07-19 18:48:18,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 18:48:18,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-07-19 18:48:18,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:48:18,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-07-19 18:48:18,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=577, Invalid=10343, Unknown=0, NotChecked=0, Total=10920 [2022-07-19 18:48:18,129 INFO L87 Difference]: Start difference. First operand 155 states and 267 transitions. Second operand has 105 states, 67 states have (on average 1.7462686567164178) internal successors, (117), 65 states have internal predecessors, (117), 63 states have call successors, (303), 2 states have call predecessors, (303), 3 states have return successors, (305), 57 states have call predecessors, (305), 63 states have call successors, (305) [2022-07-19 18:50:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:50:25,080 INFO L93 Difference]: Finished difference Result 407 states and 605 transitions. [2022-07-19 18:50:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-07-19 18:50:25,081 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 67 states have (on average 1.7462686567164178) internal successors, (117), 65 states have internal predecessors, (117), 63 states have call successors, (303), 2 states have call predecessors, (303), 3 states have return successors, (305), 57 states have call predecessors, (305), 63 states have call successors, (305) Word has length 574 [2022-07-19 18:50:25,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:50:25,085 INFO L225 Difference]: With dead ends: 407 [2022-07-19 18:50:25,085 INFO L226 Difference]: Without dead ends: 385 [2022-07-19 18:50:25,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1533 GetRequests, 1318 SyntacticMatches, 1 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8021 ImplicationChecksByTransitivity, 124.9s TimeCoverageRelationStatistics Valid=9707, Invalid=36733, Unknown=0, NotChecked=0, Total=46440 [2022-07-19 18:50:25,094 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1503 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 14076 mSolverCounterSat, 2317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3403 SdHoareTripleChecker+Invalid, 16951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2317 IncrementalHoareTripleChecker+Valid, 14076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 558 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:50:25,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 3403 Invalid, 16951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2317 Valid, 14076 Invalid, 0 Unknown, 558 Unchecked, 12.6s Time] [2022-07-19 18:50:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-07-19 18:50:25,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 187. [2022-07-19 18:50:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 71 states have internal predecessors, (85), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2022-07-19 18:50:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 313 transitions. [2022-07-19 18:50:25,194 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 313 transitions. Word has length 574 [2022-07-19 18:50:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:50:25,198 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 313 transitions. [2022-07-19 18:50:25,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 67 states have (on average 1.7462686567164178) internal successors, (117), 65 states have internal predecessors, (117), 63 states have call successors, (303), 2 states have call predecessors, (303), 3 states have return successors, (305), 57 states have call predecessors, (305), 63 states have call successors, (305) [2022-07-19 18:50:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 313 transitions. [2022-07-19 18:50:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-19 18:50:25,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:50:25,210 INFO L195 NwaCegarLoop]: trace histogram [106, 106, 106, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:50:25,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 18:50:25,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 18:50:25,443 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:50:25,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:50:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash -334907696, now seen corresponding path program 1 times [2022-07-19 18:50:25,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:50:25,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428278803] [2022-07-19 18:50:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:50:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:50:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 18:50:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 18:50:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 18:50:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 18:50:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 18:50:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 18:50:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 18:50:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 18:50:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 18:50:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 18:50:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 18:50:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 18:50:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 18:50:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 18:50:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 18:50:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 18:50:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 18:50:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 18:50:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 18:50:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 18:50:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 18:50:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 18:50:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 18:50:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 18:50:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 18:50:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 18:50:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-19 18:50:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 18:50:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-19 18:50:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 18:50:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 18:50:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 18:50:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 18:50:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 18:50:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-19 18:50:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-19 18:50:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-19 18:50:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-19 18:50:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 18:50:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-19 18:50:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-19 18:50:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-19 18:50:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-19 18:50:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-19 18:50:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-19 18:50:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-19 18:50:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-19 18:50:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-19 18:50:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-19 18:50:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-19 18:50:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-19 18:50:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-19 18:50:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-19 18:50:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-19 18:50:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-19 18:50:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-19 18:50:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-19 18:50:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 18:50:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-19 18:50:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-19 18:50:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-19 18:50:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-19 18:50:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-19 18:50:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-19 18:50:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-19 18:50:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-19 18:50:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-19 18:50:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-19 18:50:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-19 18:50:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-19 18:50:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-19 18:50:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-19 18:50:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-19 18:50:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-19 18:50:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-19 18:50:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-19 18:50:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-19 18:50:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-19 18:50:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-19 18:50:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-19 18:50:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-19 18:50:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-19 18:50:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-19 18:50:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-19 18:50:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-19 18:50:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-19 18:50:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-19 18:50:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-19 18:50:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-19 18:50:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-19 18:50:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-19 18:50:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-19 18:50:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-19 18:50:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-19 18:50:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-19 18:50:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-19 18:50:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-19 18:50:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-19 18:50:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-19 18:50:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-19 18:50:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-19 18:50:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-19 18:50:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-19 18:50:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 18:50:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-19 18:50:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-19 18:50:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2532 proven. 1788 refuted. 0 times theorem prover too weak. 17940 trivial. 0 not checked. [2022-07-19 18:50:33,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:50:33,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428278803] [2022-07-19 18:50:33,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428278803] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 18:50:33,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363876319] [2022-07-19 18:50:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:50:33,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 18:50:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:50:33,593 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) [2022-07-19 18:50:33,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 18:50:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:50:33,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 97 conjunts are in the unsatisfiable core [2022-07-19 18:50:33,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 18:50:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 4179 proven. 1581 refuted. 0 times theorem prover too weak. 16500 trivial. 0 not checked. [2022-07-19 18:50:38,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 18:50:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2547 proven. 1773 refuted. 0 times theorem prover too weak. 17940 trivial. 0 not checked. [2022-07-19 18:50:46,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363876319] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 18:50:46,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 18:50:46,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 29, 31] total 86 [2022-07-19 18:50:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507543934] [2022-07-19 18:50:46,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 18:50:46,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-07-19 18:50:46,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:50:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-07-19 18:50:46,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=6764, Unknown=0, NotChecked=0, Total=7310 [2022-07-19 18:50:46,452 INFO L87 Difference]: Start difference. First operand 187 states and 313 transitions. Second operand has 86 states, 57 states have (on average 1.9649122807017543) internal successors, (112), 54 states have internal predecessors, (112), 53 states have call successors, (307), 2 states have call predecessors, (307), 3 states have return successors, (308), 48 states have call predecessors, (308), 53 states have call successors, (308) [2022-07-19 18:51:13,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:51:13,450 INFO L93 Difference]: Finished difference Result 300 states and 461 transitions. [2022-07-19 18:51:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-19 18:51:13,451 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 57 states have (on average 1.9649122807017543) internal successors, (112), 54 states have internal predecessors, (112), 53 states have call successors, (307), 2 states have call predecessors, (307), 3 states have return successors, (308), 48 states have call predecessors, (308), 53 states have call successors, (308) Word has length 574 [2022-07-19 18:51:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:51:13,455 INFO L225 Difference]: With dead ends: 300 [2022-07-19 18:51:13,456 INFO L226 Difference]: Without dead ends: 276 [2022-07-19 18:51:13,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1453 GetRequests, 1323 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3307 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=3465, Invalid=13565, Unknown=0, NotChecked=0, Total=17030 [2022-07-19 18:51:13,457 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1006 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 8517 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 9767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 8517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:51:13,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 2950 Invalid, 9767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 8517 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-19 18:51:13,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-07-19 18:51:13,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 183. [2022-07-19 18:51:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 113 states have call successors, (113), 1 states have call predecessors, (113), 1 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-07-19 18:51:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 307 transitions. [2022-07-19 18:51:13,528 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 307 transitions. Word has length 574 [2022-07-19 18:51:13,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:51:13,529 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 307 transitions. [2022-07-19 18:51:13,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 57 states have (on average 1.9649122807017543) internal successors, (112), 54 states have internal predecessors, (112), 53 states have call successors, (307), 2 states have call predecessors, (307), 3 states have return successors, (308), 48 states have call predecessors, (308), 53 states have call successors, (308) [2022-07-19 18:51:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 307 transitions. [2022-07-19 18:51:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-19 18:51:13,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:51:13,538 INFO L195 NwaCegarLoop]: trace histogram [106, 106, 106, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:51:13,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 18:51:13,743 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,SelfDestructingSolverStorable2 [2022-07-19 18:51:13,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 18:51:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:51:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1981474608, now seen corresponding path program 1 times [2022-07-19 18:51:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:51:13,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102988570] [2022-07-19 18:51:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:51:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:51:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat