./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 6c24879c 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-?-6c24879 [2022-07-12 07:43:54,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:43:54,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:43:54,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:43:54,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:43:54,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:43:54,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:43:54,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:43:54,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:43:54,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:43:54,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:43:54,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:43:54,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:43:54,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:43:54,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:43:54,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:43:54,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:43:54,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:43:54,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:43:54,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:43:54,128 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:43:54,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:43:54,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:43:54,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:43:54,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:43:54,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:43:54,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:43:54,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:43:54,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:43:54,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:43:54,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:43:54,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:43:54,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:43:54,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:43:54,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:43:54,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:43:54,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:43:54,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:43:54,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:43:54,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:43:54,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:43:54,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:43:54,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:43:54,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:43:54,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:43:54,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:43:54,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:43:54,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:43:54,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:43:54,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:43:54,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:43:54,177 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:43:54,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:43:54,178 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:43:54,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:43:54,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:43:54,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:43:54,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:43:54,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:43:54,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:43:54,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:43:54,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:43:54,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:43:54,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:43:54,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:43:54,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:43:54,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:43:54,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:43:54,183 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:43:54,183 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:43:54,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:43:54,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2022-07-12 07:43:54,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:43:54,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:43:54,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:43:54,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:43:54,453 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:43:54,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-009.c [2022-07-12 07:43:54,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097e7d773/d0bd37e6e6b64735987cc2e8ef962ffc/FLAG71688dd34 [2022-07-12 07:43:54,932 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:43:54,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-009.c [2022-07-12 07:43:54,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097e7d773/d0bd37e6e6b64735987cc2e8ef962ffc/FLAG71688dd34 [2022-07-12 07:43:55,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097e7d773/d0bd37e6e6b64735987cc2e8ef962ffc [2022-07-12 07:43:55,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:43:55,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:43:55,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:43:55,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:43:55,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:43:55,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659726d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55, skipping insertion in model container [2022-07-12 07:43:55,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:43:55,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:43:55,612 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] [2022-07-12 07:43:55,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:43:55,629 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:43:55,681 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] [2022-07-12 07:43:55,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:43:55,698 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:43:55,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55 WrapperNode [2022-07-12 07:43:55,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:43:55,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:43:55,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:43:55,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:43:55,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,760 INFO L137 Inliner]: procedures = 13, calls = 113, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 240 [2022-07-12 07:43:55,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:43:55,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:43:55,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:43:55,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:43:55,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:43:55,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:43:55,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:43:55,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:43:55,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (1/1) ... [2022-07-12 07:43:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:43:55,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:43:55,845 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) [2022-07-12 07:43:55,858 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 [2022-07-12 07:43:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:43:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:43:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:43:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:43:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-12 07:43:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-12 07:43:55,978 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:43:55,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:43:56,282 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:43:56,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:43:56,296 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:43:56,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:43:56 BoogieIcfgContainer [2022-07-12 07:43:56,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:43:56,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:43:56,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:43:56,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:43:56,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:43:55" (1/3) ... [2022-07-12 07:43:56,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d49f91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:43:56, skipping insertion in model container [2022-07-12 07:43:56,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:43:55" (2/3) ... [2022-07-12 07:43:56,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d49f91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:43:56, skipping insertion in model container [2022-07-12 07:43:56,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:43:56" (3/3) ... [2022-07-12 07:43:56,305 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2022-07-12 07:43:56,316 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:43:56,317 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 07:43:56,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:43:56,370 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@69cac452, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7696f3e [2022-07-12 07:43:56,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 07:43:56,374 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) [2022-07-12 07:43:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-12 07:43:56,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:43:56,406 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] [2022-07-12 07:43:56,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:43:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:43:56,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1101918238, now seen corresponding path program 1 times [2022-07-12 07:43:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:43:56,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588749532] [2022-07-12 07:43:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:43:56,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:43:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:43:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:43:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:43:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:43:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:43:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:43:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:43:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:43:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:43:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:43:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:43:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:43:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:43:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:43:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:43:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:43:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:43:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:43:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:43:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:43:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:43:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:43:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:43:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:43:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:43:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:43:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:43:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:43:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:43:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:43:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:43:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:43:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:43:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:43:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:43:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:43:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 07:43:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 07:43:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 07:43:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 07:43:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 07:43:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 07:43:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 07:43:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 07:43:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 07:43:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 07:43:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 07:43:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 07:43:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 07:43:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 07:43:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 07:43:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 07:43:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 07:43:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 07:43:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 07:43:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 07:43:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 07:43:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 07:43:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 07:43:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-12 07:43:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 07:43:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 07:43:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 07:43:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 07:43:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 07:43:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 07:43:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 07:43:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 07:43:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 07:43:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 07:43:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 07:43:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 07:43:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 07:43:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 07:43:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 07:43:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 07:43:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 07:43:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 07:43:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 07:43:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 07:43:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 07:43:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 07:43:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 07:43:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 07:43:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 07:43:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 07:43:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-12 07:43:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 07:43:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 07:43:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 07:43:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 07:43:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 07:43:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-12 07:43:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 07:43:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 07:43:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 07:43:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-12 07:43:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-12 07:43:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 07:43:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-12 07:43:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 07:43:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 07:43:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-12 07:43:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 07:43:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-12 07:43:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 07:43:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:43:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22260 trivial. 0 not checked. [2022-07-12 07:43:57,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:43:57,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588749532] [2022-07-12 07:43:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588749532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:43:57,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:43:57,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 07:43:57,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211430956] [2022-07-12 07:43:57,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:43:57,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 07:43:57,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:43:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 07:43:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 07:43:57,181 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) [2022-07-12 07:43:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:43:57,240 INFO L93 Difference]: Finished difference Result 310 states and 642 transitions. [2022-07-12 07:43:57,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 07:43:57,243 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 [2022-07-12 07:43:57,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:43:57,255 INFO L225 Difference]: With dead ends: 310 [2022-07-12 07:43:57,255 INFO L226 Difference]: Without dead ends: 155 [2022-07-12 07:43:57,263 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 [2022-07-12 07:43:57,267 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 [2022-07-12 07:43:57,268 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] [2022-07-12 07:43:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-07-12 07:43:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-07-12 07:43:57,350 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) [2022-07-12 07:43:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 267 transitions. [2022-07-12 07:43:57,360 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 267 transitions. Word has length 574 [2022-07-12 07:43:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:43:57,361 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 267 transitions. [2022-07-12 07:43:57,362 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) [2022-07-12 07:43:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 267 transitions. [2022-07-12 07:43:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-12 07:43:57,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:43:57,378 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] [2022-07-12 07:43:57,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:43:57,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:43:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:43:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash -609667310, now seen corresponding path program 1 times [2022-07-12 07:43:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:43:57,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400778792] [2022-07-12 07:43:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:43:57,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:43:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:44:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:44:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:44:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:44:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:44:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:44:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:44:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:44:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:44:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:44:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:44:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:44:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:44:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:44:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:44:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:44:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:44:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:44:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:44:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:44:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:44:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:44:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:44:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:44:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:44:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:44:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:44:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:44:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:44:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:44:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:44:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:44:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:44:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:44:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:44:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:44:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 07:44:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 07:44:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 07:44:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 07:44:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 07:44:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 07:44:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 07:44:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 07:44:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 07:44:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 07:44:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 07:44:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 07:44:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 07:44:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 07:44:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 07:44:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 07:44:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 07:44:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 07:44:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 07:44:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 07:44:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 07:44:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 07:44:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 07:44:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-12 07:44:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 07:44:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 07:44:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 07:44:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 07:44:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 07:44:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 07:44:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 07:44:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 07:44:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 07:44:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 07:44:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 07:44:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 07:44:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 07:44:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 07:44:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 07:44:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 07:44:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 07:44:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 07:44:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 07:44:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 07:44:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 07:44:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 07:44:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 07:44:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 07:44:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 07:44:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 07:44:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-12 07:44:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 07:44:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 07:44:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 07:44:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 07:44:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 07:44:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-12 07:44:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 07:44:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 07:44:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 07:44:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-12 07:44:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-12 07:44:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 07:44:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-12 07:44:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 07:44:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 07:44:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-12 07:44:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 07:44:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-12 07:44:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 07:44:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 3441 proven. 1719 refuted. 0 times theorem prover too weak. 17100 trivial. 0 not checked. [2022-07-12 07:44:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:44:10,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400778792] [2022-07-12 07:44:10,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400778792] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 07:44:10,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006203773] [2022-07-12 07:44:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:44:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 07:44:10,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:44:10,051 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) [2022-07-12 07:44:10,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 07:44:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:44:10,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 113 conjunts are in the unsatisfiable core [2022-07-12 07:44:10,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 07:44:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 4200 proven. 1626 refuted. 0 times theorem prover too weak. 16434 trivial. 0 not checked. [2022-07-12 07:44:19,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 07:44:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2964 proven. 1788 refuted. 0 times theorem prover too weak. 17508 trivial. 0 not checked. [2022-07-12 07:44:31,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006203773] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 07:44:31,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 07:44:31,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 36] total 105 [2022-07-12 07:44:31,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91376875] [2022-07-12 07:44:31,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 07:44:31,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-07-12 07:44:31,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:44:31,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-07-12 07:44:31,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=577, Invalid=10343, Unknown=0, NotChecked=0, Total=10920 [2022-07-12 07:44:31,692 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) [2022-07-12 07:46:31,668 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 452 DAG size of output: 391 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 07:46:43,072 WARN L233 SmtUtils]: Spent 10.45s on a formula simplification. DAG size of input: 542 DAG size of output: 460 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 07:47:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:47:28,153 INFO L93 Difference]: Finished difference Result 407 states and 605 transitions. [2022-07-12 07:47:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-07-12 07:47:28,155 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 [2022-07-12 07:47:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:47:28,160 INFO L225 Difference]: With dead ends: 407 [2022-07-12 07:47:28,160 INFO L226 Difference]: Without dead ends: 385 [2022-07-12 07:47:28,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1533 GetRequests, 1318 SyntacticMatches, 1 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8016 ImplicationChecksByTransitivity, 174.7s TimeCoverageRelationStatistics Valid=9706, Invalid=36731, Unknown=3, NotChecked=0, Total=46440 [2022-07-12 07:47:28,176 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1503 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 14076 mSolverCounterSat, 2317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s 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, 14.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:47:28,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 3403 Invalid, 16951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2317 Valid, 14076 Invalid, 0 Unknown, 558 Unchecked, 14.7s Time] [2022-07-12 07:47:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-07-12 07:47:28,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 187. [2022-07-12 07:47:28,274 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) [2022-07-12 07:47:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 313 transitions. [2022-07-12 07:47:28,276 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 313 transitions. Word has length 574 [2022-07-12 07:47:28,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:47:28,278 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 313 transitions. [2022-07-12 07:47:28,279 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) [2022-07-12 07:47:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 313 transitions. [2022-07-12 07:47:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-12 07:47:28,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:47:28,291 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] [2022-07-12 07:47:28,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 07:47:28,507 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 [2022-07-12 07:47:28,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 07:47:28,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:47:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash -334907696, now seen corresponding path program 1 times [2022-07-12 07:47:28,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:47:28,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692147040] [2022-07-12 07:47:28,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:47:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:47:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 07:47:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 07:47:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 07:47:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 07:47:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 07:47:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 07:47:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 07:47:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 07:47:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 07:47:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 07:47:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 07:47:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 07:47:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 07:47:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 07:47:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 07:47:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 07:47:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 07:47:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 07:47:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 07:47:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 07:47:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 07:47:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 07:47:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 07:47:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 07:47:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 07:47:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 07:47:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 07:47:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 07:47:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 07:47:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 07:47:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 07:47:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 07:47:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 07:47:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 07:47:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 07:47:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 07:47:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 07:47:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 07:47:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 07:47:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 07:47:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 07:47:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 07:47:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 07:47:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 07:47:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 07:47:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 07:47:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 07:47:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 07:47:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 07:47:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 07:47:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 07:47:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 07:47:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 07:47:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 07:47:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 07:47:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 07:47:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 07:47:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 07:47:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 07:47:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-12 07:47:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 07:47:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 07:47:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 07:47:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 07:47:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 07:47:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 07:47:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 07:47:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 07:47:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 07:47:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 07:47:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 07:47:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 07:47:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 07:47:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 07:47:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 07:47:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 07:47:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 07:47:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 07:47:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 07:47:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 07:47:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 07:47:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 07:47:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 07:47:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 07:47:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 07:47:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 07:47:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-07-12 07:47:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 07:47:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 07:47:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 07:47:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 07:47:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 07:47:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-12 07:47:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 07:47:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 07:47:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 07:47:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-12 07:47:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-12 07:47:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 07:47:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-12 07:47:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 07:47:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 07:47:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-12 07:47:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 07:47:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-12 07:47:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 07:47:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2532 proven. 1788 refuted. 0 times theorem prover too weak. 17940 trivial. 0 not checked. [2022-07-12 07:47:38,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:47:38,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692147040] [2022-07-12 07:47:38,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692147040] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 07:47:38,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306110404] [2022-07-12 07:47:38,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:47:38,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 07:47:38,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:47:38,631 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) [2022-07-12 07:47:38,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 07:47:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:47:38,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 97 conjunts are in the unsatisfiable core [2022-07-12 07:47:38,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 07:47:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 4179 proven. 1581 refuted. 0 times theorem prover too weak. 16500 trivial. 0 not checked. [2022-07-12 07:47:43,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 07:47:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 2547 proven. 1773 refuted. 0 times theorem prover too weak. 17940 trivial. 0 not checked. [2022-07-12 07:47:53,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306110404] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 07:47:53,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 07:47:53,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 29, 31] total 86 [2022-07-12 07:47:53,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767605332] [2022-07-12 07:47:53,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 07:47:53,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-07-12 07:47:53,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:47:53,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-07-12 07:47:53,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=6764, Unknown=0, NotChecked=0, Total=7310 [2022-07-12 07:47:53,913 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)