./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/recursive/recHanoi01.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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 07:59:25,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 07:59:25,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 07:59:25,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 07:59:25,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 07:59:25,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 07:59:25,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 07:59:25,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 07:59:25,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 07:59:25,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 07:59:25,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 07:59:25,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 07:59:25,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 07:59:25,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 07:59:25,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 07:59:25,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 07:59:25,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 07:59:25,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 07:59:25,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 07:59:25,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 07:59:25,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 07:59:25,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 07:59:25,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 07:59:25,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 07:59:25,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 07:59:25,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 07:59:25,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 07:59:25,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 07:59:25,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 07:59:25,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 07:59:25,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 07:59:25,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 07:59:25,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 07:59:25,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 07:59:25,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 07:59:25,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 07:59:25,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 07:59:25,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 07:59:25,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 07:59:25,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 07:59:25,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 07:59:25,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 07:59:25,403 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 07:59:25,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 07:59:25,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 07:59:25,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 07:59:25,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 07:59:25,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 07:59:25,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 07:59:25,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 07:59:25,405 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 07:59:25,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 07:59:25,406 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 07:59:25,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:59:25,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 07:59:25,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 07:59:25,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 07:59:25,408 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 07:59:25,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 07:59:25,408 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 07:59:25,408 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-17 07:59:25,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 07:59:25,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 07:59:25,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 07:59:25,631 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 07:59:25,631 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 07:59:25,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-17 07:59:26,662 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 07:59:26,803 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 07:59:26,805 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-17 07:59:26,809 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf44e479c/4924ad4b0d8e469cba063fa77ff88e41/FLAGbf119a10b [2023-02-17 07:59:26,820 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf44e479c/4924ad4b0d8e469cba063fa77ff88e41 [2023-02-17 07:59:26,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 07:59:26,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 07:59:26,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 07:59:26,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 07:59:26,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 07:59:26,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:26,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7d7cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26, skipping insertion in model container [2023-02-17 07:59:26,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:26,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 07:59:26,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 07:59:26,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-17 07:59:26,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:59:26,958 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 07:59:26,970 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-17 07:59:26,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:59:26,979 INFO L208 MainTranslator]: Completed translation [2023-02-17 07:59:26,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26 WrapperNode [2023-02-17 07:59:26,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 07:59:26,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 07:59:26,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 07:59:26,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 07:59:26,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:26,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,001 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-17 07:59:27,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 07:59:27,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 07:59:27,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 07:59:27,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 07:59:27,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 07:59:27,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 07:59:27,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 07:59:27,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 07:59:27,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (1/1) ... [2023-02-17 07:59:27,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:59:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:27,038 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) [2023-02-17 07:59:27,061 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 [2023-02-17 07:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 07:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-17 07:59:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-17 07:59:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-17 07:59:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-17 07:59:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 07:59:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 07:59:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 07:59:27,123 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 07:59:27,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 07:59:27,261 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 07:59:27,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 07:59:27,265 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-17 07:59:27,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:59:27 BoogieIcfgContainer [2023-02-17 07:59:27,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 07:59:27,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 07:59:27,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 07:59:27,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 07:59:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 07:59:26" (1/3) ... [2023-02-17 07:59:27,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af39233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:59:27, skipping insertion in model container [2023-02-17 07:59:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:59:26" (2/3) ... [2023-02-17 07:59:27,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af39233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:59:27, skipping insertion in model container [2023-02-17 07:59:27,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:59:27" (3/3) ... [2023-02-17 07:59:27,272 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-17 07:59:27,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 07:59:27,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 07:59:27,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 07:59:27,355 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69dbb0c8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 07:59:27,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 07:59:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-17 07:59:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 07:59:27,403 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:27,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:27,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:27,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:27,421 INFO L85 PathProgramCache]: Analyzing trace with hash -424312916, now seen corresponding path program 1 times [2023-02-17 07:59:27,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:27,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030102812] [2023-02-17 07:59:27,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-02-17 07:59:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 07:59:27,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:27,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030102812] [2023-02-17 07:59:27,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030102812] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 07:59:27,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 07:59:27,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 07:59:27,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640673183] [2023-02-17 07:59:27,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:59:27,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-17 07:59:27,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-17 07:59:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-17 07:59:27,780 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 07:59:27,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:27,865 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2023-02-17 07:59:27,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 07:59:27,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-02-17 07:59:27,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:27,871 INFO L225 Difference]: With dead ends: 43 [2023-02-17 07:59:27,871 INFO L226 Difference]: Without dead ends: 23 [2023-02-17 07:59:27,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-02-17 07:59:27,876 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 19 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:27,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 58 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:59:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-17 07:59:27,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-17 07:59:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2023-02-17 07:59:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-02-17 07:59:27,902 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 16 [2023-02-17 07:59:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:27,903 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-02-17 07:59:27,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-17 07:59:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-02-17 07:59:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 07:59:27,904 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:27,904 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:27,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 07:59:27,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:27,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2103389423, now seen corresponding path program 1 times [2023-02-17 07:59:27,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:27,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543174894] [2023-02-17 07:59:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-02-17 07:59:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-17 07:59:28,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:28,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543174894] [2023-02-17 07:59:28,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543174894] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:28,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730984843] [2023-02-17 07:59:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:28,188 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) [2023-02-17 07:59:28,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 07:59:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:28,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-17 07:59:28,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-17 07:59:28,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-17 07:59:28,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730984843] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:28,370 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:28,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 17 [2023-02-17 07:59:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354123697] [2023-02-17 07:59:28,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:28,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-17 07:59:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-17 07:59:28,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:59:28,374 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 17 states, 16 states have (on average 1.8125) internal successors, (29), 15 states have internal predecessors, (29), 4 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-02-17 07:59:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:28,704 INFO L93 Difference]: Finished difference Result 74 states and 104 transitions. [2023-02-17 07:59:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-17 07:59:28,704 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.8125) internal successors, (29), 15 states have internal predecessors, (29), 4 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 26 [2023-02-17 07:59:28,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:28,706 INFO L225 Difference]: With dead ends: 74 [2023-02-17 07:59:28,706 INFO L226 Difference]: Without dead ends: 68 [2023-02-17 07:59:28,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2023-02-17 07:59:28,708 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:28,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 99 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 07:59:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-02-17 07:59:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2023-02-17 07:59:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 34 states have internal predecessors, (36), 14 states have call successors, (14), 6 states have call predecessors, (14), 11 states have return successors, (33), 16 states have call predecessors, (33), 14 states have call successors, (33) [2023-02-17 07:59:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2023-02-17 07:59:28,729 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 26 [2023-02-17 07:59:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:28,729 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2023-02-17 07:59:28,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.8125) internal successors, (29), 15 states have internal predecessors, (29), 4 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-02-17 07:59:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2023-02-17 07:59:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-17 07:59:28,731 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:28,731 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:28,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:28,931 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 [2023-02-17 07:59:28,932 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash 365687158, now seen corresponding path program 2 times [2023-02-17 07:59:28,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:28,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367585467] [2023-02-17 07:59:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:28,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-02-17 07:59:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-17 07:59:29,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:29,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367585467] [2023-02-17 07:59:29,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367585467] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:29,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409641530] [2023-02-17 07:59:29,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:59:29,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:29,170 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) [2023-02-17 07:59:29,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 07:59:29,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:59:29,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:29,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-17 07:59:29,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-17 07:59:29,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-17 07:59:29,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409641530] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:29,487 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:29,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 18 [2023-02-17 07:59:29,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680535784] [2023-02-17 07:59:29,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:29,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-17 07:59:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:29,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-17 07:59:29,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-02-17 07:59:29,490 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand has 18 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 10 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) [2023-02-17 07:59:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:29,691 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2023-02-17 07:59:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-17 07:59:29,691 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 10 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) Word has length 36 [2023-02-17 07:59:29,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:29,694 INFO L225 Difference]: With dead ends: 108 [2023-02-17 07:59:29,694 INFO L226 Difference]: Without dead ends: 74 [2023-02-17 07:59:29,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 66 SyntacticMatches, 11 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2023-02-17 07:59:29,698 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:29,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 117 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:59:29,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-02-17 07:59:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 55. [2023-02-17 07:59:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 33 states have internal predecessors, (38), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (20), 12 states have call predecessors, (20), 11 states have call successors, (20) [2023-02-17 07:59:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2023-02-17 07:59:29,708 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 36 [2023-02-17 07:59:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:29,709 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2023-02-17 07:59:29,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 2.4) internal successors, (36), 14 states have internal predecessors, (36), 10 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) [2023-02-17 07:59:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-02-17 07:59:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-17 07:59:29,710 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:29,710 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:29,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:29,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-02-17 07:59:29,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:29,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash -787037173, now seen corresponding path program 1 times [2023-02-17 07:59:29,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:29,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920303494] [2023-02-17 07:59:29,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:29,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-02-17 07:59:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-17 07:59:30,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:30,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920303494] [2023-02-17 07:59:30,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920303494] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:30,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483057403] [2023-02-17 07:59:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:30,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:30,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:30,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:30,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 07:59:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-17 07:59:30,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-17 07:59:30,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-17 07:59:30,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483057403] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:30,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:30,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 11] total 19 [2023-02-17 07:59:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065206952] [2023-02-17 07:59:30,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:30,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-17 07:59:30,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:30,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-17 07:59:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2023-02-17 07:59:30,226 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 19 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-17 07:59:30,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:30,329 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions. [2023-02-17 07:59:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-17 07:59:30,329 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 10 states have call successors, (10) Word has length 32 [2023-02-17 07:59:30,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:30,333 INFO L225 Difference]: With dead ends: 62 [2023-02-17 07:59:30,333 INFO L226 Difference]: Without dead ends: 50 [2023-02-17 07:59:30,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 50 SyntacticMatches, 13 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2023-02-17 07:59:30,335 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:30,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 64 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:59:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-17 07:59:30,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2023-02-17 07:59:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.1) internal successors, (33), 29 states have internal predecessors, (33), 10 states have call successors, (10), 8 states have call predecessors, (10), 7 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2023-02-17 07:59:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2023-02-17 07:59:30,349 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 32 [2023-02-17 07:59:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:30,349 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2023-02-17 07:59:30,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (10), 5 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-17 07:59:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-02-17 07:59:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-02-17 07:59:30,354 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:30,355 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:30,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:30,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:30,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash 464974891, now seen corresponding path program 2 times [2023-02-17 07:59:30,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:30,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211545695] [2023-02-17 07:59:30,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:30,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-02-17 07:59:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-02-17 07:59:30,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:30,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211545695] [2023-02-17 07:59:30,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211545695] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:30,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071773167] [2023-02-17 07:59:30,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:59:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:30,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:30,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 07:59:31,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:59:31,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:31,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-17 07:59:31,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-02-17 07:59:31,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-02-17 07:59:31,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071773167] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:31,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:31,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 18] total 31 [2023-02-17 07:59:31,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348817344] [2023-02-17 07:59:31,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:31,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-02-17 07:59:31,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:31,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-02-17 07:59:31,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2023-02-17 07:59:31,373 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 31 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 24 states have internal predecessors, (46), 9 states have call successors, (17), 7 states have call predecessors, (17), 14 states have return successors, (20), 13 states have call predecessors, (20), 9 states have call successors, (20) [2023-02-17 07:59:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:32,175 INFO L93 Difference]: Finished difference Result 101 states and 139 transitions. [2023-02-17 07:59:32,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-17 07:59:32,176 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 24 states have internal predecessors, (46), 9 states have call successors, (17), 7 states have call predecessors, (17), 14 states have return successors, (20), 13 states have call predecessors, (20), 9 states have call successors, (20) Word has length 52 [2023-02-17 07:59:32,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:32,177 INFO L225 Difference]: With dead ends: 101 [2023-02-17 07:59:32,177 INFO L226 Difference]: Without dead ends: 97 [2023-02-17 07:59:32,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 89 SyntacticMatches, 21 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=401, Invalid=2461, Unknown=0, NotChecked=0, Total=2862 [2023-02-17 07:59:32,178 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 105 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:32,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 165 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-17 07:59:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-17 07:59:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 80. [2023-02-17 07:59:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 45 states have internal predecessors, (49), 18 states have call successors, (18), 10 states have call predecessors, (18), 16 states have return successors, (44), 24 states have call predecessors, (44), 18 states have call successors, (44) [2023-02-17 07:59:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 111 transitions. [2023-02-17 07:59:32,189 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 111 transitions. Word has length 52 [2023-02-17 07:59:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:32,190 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 111 transitions. [2023-02-17 07:59:32,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 24 states have internal predecessors, (46), 9 states have call successors, (17), 7 states have call predecessors, (17), 14 states have return successors, (20), 13 states have call predecessors, (20), 9 states have call successors, (20) [2023-02-17 07:59:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2023-02-17 07:59:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-02-17 07:59:32,191 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:32,191 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:32,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:32,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:32,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:32,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1359329167, now seen corresponding path program 3 times [2023-02-17 07:59:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:32,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16106765] [2023-02-17 07:59:32,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:32,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-02-17 07:59:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-02-17 07:59:32,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:32,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16106765] [2023-02-17 07:59:32,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16106765] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:32,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685355844] [2023-02-17 07:59:32,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 07:59:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:32,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:32,590 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:32,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 07:59:32,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-17 07:59:32,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:32,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-17 07:59:32,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-02-17 07:59:32,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-02-17 07:59:32,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685355844] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:32,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:32,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 24 [2023-02-17 07:59:32,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947113612] [2023-02-17 07:59:32,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:32,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-17 07:59:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-17 07:59:32,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2023-02-17 07:59:32,857 INFO L87 Difference]: Start difference. First operand 80 states and 111 transitions. Second operand has 24 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 12 states have call successors, (20), 2 states have call predecessors, (20), 9 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2023-02-17 07:59:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:33,134 INFO L93 Difference]: Finished difference Result 142 states and 220 transitions. [2023-02-17 07:59:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-17 07:59:33,135 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 12 states have call successors, (20), 2 states have call predecessors, (20), 9 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 58 [2023-02-17 07:59:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:33,136 INFO L225 Difference]: With dead ends: 142 [2023-02-17 07:59:33,136 INFO L226 Difference]: Without dead ends: 76 [2023-02-17 07:59:33,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 19 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=959, Unknown=0, NotChecked=0, Total=1190 [2023-02-17 07:59:33,140 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:33,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 123 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-02-17 07:59:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2023-02-17 07:59:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 17 states have call successors, (17), 8 states have call predecessors, (17), 12 states have return successors, (35), 21 states have call predecessors, (35), 17 states have call successors, (35) [2023-02-17 07:59:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2023-02-17 07:59:33,157 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 58 [2023-02-17 07:59:33,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:33,158 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2023-02-17 07:59:33,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 12 states have call successors, (20), 2 states have call predecessors, (20), 9 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2023-02-17 07:59:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-02-17 07:59:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-02-17 07:59:33,161 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:33,161 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:33,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:33,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:33,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:33,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash 296645163, now seen corresponding path program 4 times [2023-02-17 07:59:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:33,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135904542] [2023-02-17 07:59:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-02-17 07:59:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-02-17 07:59:33,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:33,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135904542] [2023-02-17 07:59:33,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135904542] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:33,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807117562] [2023-02-17 07:59:33,646 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-17 07:59:33,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:33,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:33,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:33,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 07:59:33,746 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-17 07:59:33,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:33,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-17 07:59:33,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 48 proven. 125 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-02-17 07:59:33,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 48 proven. 135 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-02-17 07:59:33,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807117562] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:33,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:33,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 15] total 25 [2023-02-17 07:59:33,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647806140] [2023-02-17 07:59:33,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:33,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-17 07:59:33,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:33,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-17 07:59:33,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2023-02-17 07:59:33,930 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 25 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 16 states have call successors, (21), 2 states have call predecessors, (21), 9 states have return successors, (22), 10 states have call predecessors, (22), 16 states have call successors, (22) [2023-02-17 07:59:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:34,176 INFO L93 Difference]: Finished difference Result 117 states and 174 transitions. [2023-02-17 07:59:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-17 07:59:34,177 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 16 states have call successors, (21), 2 states have call predecessors, (21), 9 states have return successors, (22), 10 states have call predecessors, (22), 16 states have call successors, (22) Word has length 92 [2023-02-17 07:59:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:34,178 INFO L225 Difference]: With dead ends: 117 [2023-02-17 07:59:34,178 INFO L226 Difference]: Without dead ends: 71 [2023-02-17 07:59:34,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 186 SyntacticMatches, 19 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=1020, Unknown=0, NotChecked=0, Total=1260 [2023-02-17 07:59:34,179 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 41 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:34,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 112 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:34,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-02-17 07:59:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2023-02-17 07:59:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 17 states have call successors, (17), 9 states have call predecessors, (17), 11 states have return successors, (32), 19 states have call predecessors, (32), 17 states have call successors, (32) [2023-02-17 07:59:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2023-02-17 07:59:34,186 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 92 [2023-02-17 07:59:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:34,186 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2023-02-17 07:59:34,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 16 states have call successors, (21), 2 states have call predecessors, (21), 9 states have return successors, (22), 10 states have call predecessors, (22), 16 states have call successors, (22) [2023-02-17 07:59:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2023-02-17 07:59:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-02-17 07:59:34,187 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:34,187 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:34,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:34,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:34,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:34,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1624983153, now seen corresponding path program 5 times [2023-02-17 07:59:34,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:34,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847094624] [2023-02-17 07:59:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-02-17 07:59:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 20 proven. 161 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-02-17 07:59:35,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:35,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847094624] [2023-02-17 07:59:35,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847094624] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:35,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036707051] [2023-02-17 07:59:35,154 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-17 07:59:35,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:35,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:35,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-17 07:59:35,240 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-02-17 07:59:35,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:35,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 91 conjunts are in the unsatisfiable core [2023-02-17 07:59:35,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-02-17 07:59:35,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-02-17 07:59:36,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036707051] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:36,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:36,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 32] total 51 [2023-02-17 07:59:36,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958693671] [2023-02-17 07:59:36,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:36,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-02-17 07:59:36,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:36,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-02-17 07:59:36,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2365, Unknown=0, NotChecked=0, Total=2550 [2023-02-17 07:59:36,439 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 51 states, 42 states have (on average 1.6428571428571428) internal successors, (69), 38 states have internal predecessors, (69), 16 states have call successors, (26), 11 states have call predecessors, (26), 24 states have return successors, (33), 24 states have call predecessors, (33), 16 states have call successors, (33) [2023-02-17 07:59:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:40,308 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2023-02-17 07:59:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-02-17 07:59:40,309 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 42 states have (on average 1.6428571428571428) internal successors, (69), 38 states have internal predecessors, (69), 16 states have call successors, (26), 11 states have call predecessors, (26), 24 states have return successors, (33), 24 states have call predecessors, (33), 16 states have call successors, (33) Word has length 98 [2023-02-17 07:59:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:40,315 INFO L225 Difference]: With dead ends: 222 [2023-02-17 07:59:40,316 INFO L226 Difference]: Without dead ends: 218 [2023-02-17 07:59:40,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 171 SyntacticMatches, 43 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3590 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1686, Invalid=11196, Unknown=0, NotChecked=0, Total=12882 [2023-02-17 07:59:40,320 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 343 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 3221 mSolverCounterSat, 966 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 966 IncrementalHoareTripleChecker+Valid, 3221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:40,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 576 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [966 Valid, 3221 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-02-17 07:59:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-02-17 07:59:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 179. [2023-02-17 07:59:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 98 states have (on average 1.0714285714285714) internal successors, (105), 97 states have internal predecessors, (105), 47 states have call successors, (47), 27 states have call predecessors, (47), 33 states have return successors, (104), 54 states have call predecessors, (104), 47 states have call successors, (104) [2023-02-17 07:59:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 256 transitions. [2023-02-17 07:59:40,349 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 256 transitions. Word has length 98 [2023-02-17 07:59:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:40,350 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 256 transitions. [2023-02-17 07:59:40,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 42 states have (on average 1.6428571428571428) internal successors, (69), 38 states have internal predecessors, (69), 16 states have call successors, (26), 11 states have call predecessors, (26), 24 states have return successors, (33), 24 states have call predecessors, (33), 16 states have call successors, (33) [2023-02-17 07:59:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 256 transitions. [2023-02-17 07:59:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-02-17 07:59:40,355 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:40,355 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:40,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:40,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:40,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:40,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:40,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1480250389, now seen corresponding path program 6 times [2023-02-17 07:59:40,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:40,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912826396] [2023-02-17 07:59:40,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:40,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-02-17 07:59:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-02-17 07:59:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:40,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912826396] [2023-02-17 07:59:40,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912826396] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:40,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248637906] [2023-02-17 07:59:40,904 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-17 07:59:40,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:40,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:40,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:40,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-17 07:59:41,001 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-02-17 07:59:41,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:41,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-17 07:59:41,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 72 proven. 113 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2023-02-17 07:59:41,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 72 proven. 132 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-02-17 07:59:41,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248637906] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:41,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:41,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 19] total 29 [2023-02-17 07:59:41,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494154837] [2023-02-17 07:59:41,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:41,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-02-17 07:59:41,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:41,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-02-17 07:59:41,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2023-02-17 07:59:41,270 INFO L87 Difference]: Start difference. First operand 179 states and 256 transitions. Second operand has 29 states, 25 states have (on average 2.08) internal successors, (52), 24 states have internal predecessors, (52), 16 states have call successors, (24), 2 states have call predecessors, (24), 11 states have return successors, (29), 15 states have call predecessors, (29), 16 states have call successors, (29) [2023-02-17 07:59:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:41,550 INFO L93 Difference]: Finished difference Result 291 states and 470 transitions. [2023-02-17 07:59:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-17 07:59:41,551 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 2.08) internal successors, (52), 24 states have internal predecessors, (52), 16 states have call successors, (24), 2 states have call predecessors, (24), 11 states have return successors, (29), 15 states have call predecessors, (29), 16 states have call successors, (29) Word has length 104 [2023-02-17 07:59:41,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:41,553 INFO L225 Difference]: With dead ends: 291 [2023-02-17 07:59:41,553 INFO L226 Difference]: Without dead ends: 181 [2023-02-17 07:59:41,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 206 SyntacticMatches, 25 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=341, Invalid=1465, Unknown=0, NotChecked=0, Total=1806 [2023-02-17 07:59:41,556 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 46 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 164 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-02-17 07:59:41,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 157. [2023-02-17 07:59:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 82 states have (on average 1.0609756097560976) internal successors, (87), 82 states have internal predecessors, (87), 45 states have call successors, (45), 22 states have call predecessors, (45), 29 states have return successors, (88), 52 states have call predecessors, (88), 45 states have call successors, (88) [2023-02-17 07:59:41,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 220 transitions. [2023-02-17 07:59:41,582 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 220 transitions. Word has length 104 [2023-02-17 07:59:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:41,582 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 220 transitions. [2023-02-17 07:59:41,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 2.08) internal successors, (52), 24 states have internal predecessors, (52), 16 states have call successors, (24), 2 states have call predecessors, (24), 11 states have return successors, (29), 15 states have call predecessors, (29), 16 states have call successors, (29) [2023-02-17 07:59:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 220 transitions. [2023-02-17 07:59:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-02-17 07:59:41,585 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:41,585 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:41,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-17 07:59:41,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-02-17 07:59:41,791 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:41,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1313628785, now seen corresponding path program 7 times [2023-02-17 07:59:41,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:41,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99313636] [2023-02-17 07:59:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:41,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 07:59:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-02-17 07:59:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 227 proven. 254 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2023-02-17 07:59:42,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:42,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99313636] [2023-02-17 07:59:42,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99313636] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:42,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210573063] [2023-02-17 07:59:42,228 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-17 07:59:42,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:42,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:42,230 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:42,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-17 07:59:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:42,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-17 07:59:42,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 233 proven. 268 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-02-17 07:59:42,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 233 proven. 281 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2023-02-17 07:59:42,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210573063] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:42,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:42,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 17] total 27 [2023-02-17 07:59:42,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030790886] [2023-02-17 07:59:42,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:42,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-17 07:59:42,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:42,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-17 07:59:42,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2023-02-17 07:59:42,542 INFO L87 Difference]: Start difference. First operand 157 states and 220 transitions. Second operand has 27 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 21 states have call successors, (30), 3 states have call predecessors, (30), 10 states have return successors, (34), 13 states have call predecessors, (34), 21 states have call successors, (34) [2023-02-17 07:59:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:42,784 INFO L93 Difference]: Finished difference Result 248 states and 371 transitions. [2023-02-17 07:59:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-17 07:59:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 21 states have call successors, (30), 3 states have call predecessors, (30), 10 states have return successors, (34), 13 states have call predecessors, (34), 21 states have call successors, (34) Word has length 138 [2023-02-17 07:59:42,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:42,786 INFO L225 Difference]: With dead ends: 248 [2023-02-17 07:59:42,786 INFO L226 Difference]: Without dead ends: 178 [2023-02-17 07:59:42,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 295 SyntacticMatches, 22 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=443, Invalid=1363, Unknown=0, NotChecked=0, Total=1806 [2023-02-17 07:59:42,788 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 36 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:42,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 140 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:59:42,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-02-17 07:59:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 154. [2023-02-17 07:59:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 81 states have (on average 1.0617283950617284) internal successors, (86), 81 states have internal predecessors, (86), 45 states have call successors, (45), 23 states have call predecessors, (45), 27 states have return successors, (80), 49 states have call predecessors, (80), 45 states have call successors, (80) [2023-02-17 07:59:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 211 transitions. [2023-02-17 07:59:42,826 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 211 transitions. Word has length 138 [2023-02-17 07:59:42,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:42,826 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 211 transitions. [2023-02-17 07:59:42,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 21 states have call successors, (30), 3 states have call predecessors, (30), 10 states have return successors, (34), 13 states have call predecessors, (34), 21 states have call successors, (34) [2023-02-17 07:59:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-02-17 07:59:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-02-17 07:59:42,828 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:42,828 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:42,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:43,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-17 07:59:43,034 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:43,035 INFO L85 PathProgramCache]: Analyzing trace with hash 149752433, now seen corresponding path program 8 times [2023-02-17 07:59:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:43,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101289608] [2023-02-17 07:59:43,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 07:59:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-02-17 07:59:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2023-02-17 07:59:43,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:43,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101289608] [2023-02-17 07:59:43,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101289608] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:43,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494473059] [2023-02-17 07:59:43,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:59:43,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:43,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:43,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-17 07:59:43,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:59:43,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:43,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-17 07:59:43,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 115 proven. 396 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2023-02-17 07:59:43,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 115 proven. 416 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2023-02-17 07:59:43,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494473059] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:43,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:43,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 19] total 30 [2023-02-17 07:59:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435056112] [2023-02-17 07:59:43,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:43,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-17 07:59:43,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:43,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-17 07:59:43,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=705, Unknown=0, NotChecked=0, Total=870 [2023-02-17 07:59:43,943 INFO L87 Difference]: Start difference. First operand 154 states and 211 transitions. Second operand has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 20 states have call successors, (25), 2 states have call predecessors, (25), 11 states have return successors, (30), 13 states have call predecessors, (30), 20 states have call successors, (30) [2023-02-17 07:59:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:44,325 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2023-02-17 07:59:44,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-17 07:59:44,325 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 20 states have call successors, (25), 2 states have call predecessors, (25), 11 states have return successors, (30), 13 states have call predecessors, (30), 20 states have call successors, (30) Word has length 178 [2023-02-17 07:59:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:44,327 INFO L225 Difference]: With dead ends: 174 [2023-02-17 07:59:44,327 INFO L226 Difference]: Without dead ends: 170 [2023-02-17 07:59:44,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 385 SyntacticMatches, 24 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2023-02-17 07:59:44,328 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 52 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:44,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 146 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:44,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-02-17 07:59:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 157. [2023-02-17 07:59:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 83 states have (on average 1.0602409638554218) internal successors, (88), 83 states have internal predecessors, (88), 45 states have call successors, (45), 23 states have call predecessors, (45), 28 states have return successors, (81), 50 states have call predecessors, (81), 45 states have call successors, (81) [2023-02-17 07:59:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 214 transitions. [2023-02-17 07:59:44,346 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 214 transitions. Word has length 178 [2023-02-17 07:59:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:44,346 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 214 transitions. [2023-02-17 07:59:44,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 20 states have call successors, (25), 2 states have call predecessors, (25), 11 states have return successors, (30), 13 states have call predecessors, (30), 20 states have call successors, (30) [2023-02-17 07:59:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2023-02-17 07:59:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-02-17 07:59:44,347 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:44,347 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:44,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:44,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-17 07:59:44,554 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:44,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:44,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2072776725, now seen corresponding path program 9 times [2023-02-17 07:59:44,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:44,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700074402] [2023-02-17 07:59:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:44,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 07:59:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 07:59:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 07:59:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-02-17 07:59:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 44 proven. 705 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2023-02-17 07:59:46,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700074402] [2023-02-17 07:59:46,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700074402] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825518198] [2023-02-17 07:59:46,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 07:59:46,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:46,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:46,517 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:59:46,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-17 07:59:46,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2023-02-17 07:59:46,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:46,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 175 conjunts are in the unsatisfiable core [2023-02-17 07:59:46,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2023-02-17 07:59:47,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 2025 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:59:49,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825518198] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:49,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:49,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 58] total 83 [2023-02-17 07:59:49,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678652773] [2023-02-17 07:59:49,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:49,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-02-17 07:59:49,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-02-17 07:59:49,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=6505, Unknown=0, NotChecked=0, Total=6806 [2023-02-17 07:59:49,844 INFO L87 Difference]: Start difference. First operand 157 states and 214 transitions. Second operand has 83 states, 65 states have (on average 1.6615384615384616) internal successors, (108), 62 states have internal predecessors, (108), 29 states have call successors, (43), 19 states have call predecessors, (43), 40 states have return successors, (54), 41 states have call predecessors, (54), 29 states have call successors, (54) [2023-02-17 08:00:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:00:12,277 INFO L93 Difference]: Finished difference Result 524 states and 792 transitions. [2023-02-17 08:00:12,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-02-17 08:00:12,278 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 65 states have (on average 1.6615384615384616) internal successors, (108), 62 states have internal predecessors, (108), 29 states have call successors, (43), 19 states have call predecessors, (43), 40 states have return successors, (54), 41 states have call predecessors, (54), 29 states have call successors, (54) Word has length 184 [2023-02-17 08:00:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:00:12,289 INFO L225 Difference]: With dead ends: 524 [2023-02-17 08:00:12,290 INFO L226 Difference]: Without dead ends: 520 [2023-02-17 08:00:12,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 330 SyntacticMatches, 84 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17125 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=7719, Invalid=49641, Unknown=0, NotChecked=0, Total=57360 [2023-02-17 08:00:12,298 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 1416 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 10210 mSolverCounterSat, 4669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 14879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4669 IncrementalHoareTripleChecker+Valid, 10210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-02-17 08:00:12,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 1395 Invalid, 14879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4669 Valid, 10210 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-02-17 08:00:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2023-02-17 08:00:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 437. [2023-02-17 08:00:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 236 states have (on average 1.0593220338983051) internal successors, (250), 232 states have internal predecessors, (250), 125 states have call successors, (125), 74 states have call predecessors, (125), 75 states have return successors, (256), 130 states have call predecessors, (256), 125 states have call successors, (256) [2023-02-17 08:00:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 631 transitions. [2023-02-17 08:00:12,443 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 631 transitions. Word has length 184 [2023-02-17 08:00:12,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:00:12,446 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 631 transitions. [2023-02-17 08:00:12,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 65 states have (on average 1.6615384615384616) internal successors, (108), 62 states have internal predecessors, (108), 29 states have call successors, (43), 19 states have call predecessors, (43), 40 states have return successors, (54), 41 states have call predecessors, (54), 29 states have call successors, (54) [2023-02-17 08:00:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 631 transitions. [2023-02-17 08:00:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-02-17 08:00:12,452 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:00:12,452 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:00:12,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-17 08:00:12,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-17 08:00:12,660 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:00:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:00:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1729878095, now seen corresponding path program 10 times [2023-02-17 08:00:12,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:00:12,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241316791] [2023-02-17 08:00:12,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:00:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:00:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:00:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:00:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-02-17 08:00:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2023-02-17 08:00:13,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:00:13,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241316791] [2023-02-17 08:00:13,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241316791] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:00:13,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439309494] [2023-02-17 08:00:13,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-17 08:00:13,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:00:13,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:00:13,160 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:00:13,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-17 08:00:13,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-17 08:00:13,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 08:00:13,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-17 08:00:13,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:00:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 115 proven. 415 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2023-02-17 08:00:13,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 08:00:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 115 proven. 447 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-02-17 08:00:13,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439309494] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 08:00:13,680 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 08:00:13,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 23] total 34 [2023-02-17 08:00:13,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048924951] [2023-02-17 08:00:13,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 08:00:13,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-02-17 08:00:13,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 08:00:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-02-17 08:00:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=929, Unknown=0, NotChecked=0, Total=1122 [2023-02-17 08:00:13,685 INFO L87 Difference]: Start difference. First operand 437 states and 631 transitions. Second operand has 34 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 22 states have call successors, (27), 2 states have call predecessors, (27), 13 states have return successors, (36), 15 states have call predecessors, (36), 22 states have call successors, (36) [2023-02-17 08:00:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:00:14,152 INFO L93 Difference]: Finished difference Result 683 states and 1088 transitions. [2023-02-17 08:00:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-02-17 08:00:14,153 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 22 states have call successors, (27), 2 states have call predecessors, (27), 13 states have return successors, (36), 15 states have call predecessors, (36), 22 states have call successors, (36) Word has length 190 [2023-02-17 08:00:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:00:14,157 INFO L225 Difference]: With dead ends: 683 [2023-02-17 08:00:14,157 INFO L226 Difference]: Without dead ends: 467 [2023-02-17 08:00:14,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 404 SyntacticMatches, 31 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=472, Invalid=2078, Unknown=0, NotChecked=0, Total=2550 [2023-02-17 08:00:14,160 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 60 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 08:00:14,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 116 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 08:00:14,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-02-17 08:00:14,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 394. [2023-02-17 08:00:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 201 states have (on average 1.0597014925373134) internal successors, (213), 201 states have internal predecessors, (213), 119 states have call successors, (119), 59 states have call predecessors, (119), 73 states have return successors, (219), 133 states have call predecessors, (219), 119 states have call successors, (219) [2023-02-17 08:00:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 551 transitions. [2023-02-17 08:00:14,255 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 551 transitions. Word has length 190 [2023-02-17 08:00:14,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:00:14,255 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 551 transitions. [2023-02-17 08:00:14,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 22 states have call successors, (27), 2 states have call predecessors, (27), 13 states have return successors, (36), 15 states have call predecessors, (36), 22 states have call successors, (36) [2023-02-17 08:00:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 551 transitions. [2023-02-17 08:00:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-02-17 08:00:14,260 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:00:14,260 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:00:14,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-17 08:00:14,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-17 08:00:14,467 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:00:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:00:14,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1351583765, now seen corresponding path program 11 times [2023-02-17 08:00:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:00:14,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771400052] [2023-02-17 08:00:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:00:14,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:00:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:00:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:00:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:00:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:00:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-02-17 08:00:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2023-02-17 08:00:15,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:00:15,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771400052] [2023-02-17 08:00:15,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771400052] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:00:15,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182110904] [2023-02-17 08:00:15,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-17 08:00:15,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:00:15,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:00:15,304 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:00:15,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-17 08:00:15,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2023-02-17 08:00:15,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 08:00:15,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-17 08:00:15,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:00:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 839 proven. 501 refuted. 0 times theorem prover too weak. 7432 trivial. 0 not checked. [2023-02-17 08:00:15,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 08:00:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 842 proven. 533 refuted. 0 times theorem prover too weak. 7397 trivial. 0 not checked. [2023-02-17 08:00:16,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182110904] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 08:00:16,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 08:00:16,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 23] total 35 [2023-02-17 08:00:16,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567541180] [2023-02-17 08:00:16,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 08:00:16,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-02-17 08:00:16,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 08:00:16,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-02-17 08:00:16,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2023-02-17 08:00:16,130 INFO L87 Difference]: Start difference. First operand 394 states and 551 transitions. Second operand has 35 states, 29 states have (on average 2.0) internal successors, (58), 28 states have internal predecessors, (58), 22 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (39), 19 states have call predecessors, (39), 22 states have call successors, (39) [2023-02-17 08:00:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:00:16,637 INFO L93 Difference]: Finished difference Result 529 states and 786 transitions. [2023-02-17 08:00:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-17 08:00:16,638 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 29 states have (on average 2.0) internal successors, (58), 28 states have internal predecessors, (58), 22 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (39), 19 states have call predecessors, (39), 22 states have call successors, (39) Word has length 344 [2023-02-17 08:00:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:00:16,641 INFO L225 Difference]: With dead ends: 529 [2023-02-17 08:00:16,641 INFO L226 Difference]: Without dead ends: 423 [2023-02-17 08:00:16,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 855 GetRequests, 776 SyntacticMatches, 29 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=479, Invalid=2173, Unknown=0, NotChecked=0, Total=2652 [2023-02-17 08:00:16,642 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 57 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 08:00:16,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 187 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 08:00:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-02-17 08:00:16,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 394. [2023-02-17 08:00:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 202 states have (on average 1.0594059405940595) internal successors, (214), 202 states have internal predecessors, (214), 119 states have call successors, (119), 60 states have call predecessors, (119), 72 states have return successors, (204), 131 states have call predecessors, (204), 119 states have call successors, (204) [2023-02-17 08:00:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 537 transitions. [2023-02-17 08:00:16,739 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 537 transitions. Word has length 344 [2023-02-17 08:00:16,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:00:16,740 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 537 transitions. [2023-02-17 08:00:16,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 29 states have (on average 2.0) internal successors, (58), 28 states have internal predecessors, (58), 22 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (39), 19 states have call predecessors, (39), 22 states have call successors, (39) [2023-02-17 08:00:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 537 transitions. [2023-02-17 08:00:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-02-17 08:00:16,744 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:00:16,744 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:00:16,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-17 08:00:16,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-17 08:00:16,951 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:00:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:00:16,952 INFO L85 PathProgramCache]: Analyzing trace with hash -430264399, now seen corresponding path program 12 times [2023-02-17 08:00:16,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:00:16,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119971499] [2023-02-17 08:00:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:00:16,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:00:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:00:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:00:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:00:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:00:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:00:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:00:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:00:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-02-17 08:00:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:00:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:00:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 92 proven. 2940 refuted. 0 times theorem prover too weak. 5762 trivial. 0 not checked. [2023-02-17 08:00:22,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:00:22,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119971499] [2023-02-17 08:00:22,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119971499] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:00:22,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532884593] [2023-02-17 08:00:22,972 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-17 08:00:22,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:00:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:00:22,987 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:00:22,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-17 08:00:23,402 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 56 check-sat command(s) [2023-02-17 08:00:23,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 08:00:23,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 339 conjunts are in the unsatisfiable core [2023-02-17 08:00:23,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:00:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2023-02-17 08:00:24,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 08:00:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 8644 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-02-17 08:00:31,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532884593] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 08:00:31,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 08:00:31,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 108] total 139 [2023-02-17 08:00:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731956997] [2023-02-17 08:00:31,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 08:00:31,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2023-02-17 08:00:31,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 08:00:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2023-02-17 08:00:31,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=18689, Unknown=0, NotChecked=0, Total=19182 [2023-02-17 08:00:31,958 INFO L87 Difference]: Start difference. First operand 394 states and 537 transitions. Second operand has 139 states, 104 states have (on average 1.7211538461538463) internal successors, (179), 106 states have internal predecessors, (179), 54 states have call successors, (76), 35 states have call predecessors, (76), 68 states have return successors, (91), 70 states have call predecessors, (91), 54 states have call successors, (91) [2023-02-17 08:03:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:03:13,763 INFO L93 Difference]: Finished difference Result 1257 states and 1958 transitions. [2023-02-17 08:03:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2023-02-17 08:03:13,764 INFO L78 Accepts]: Start accepts. Automaton has has 139 states, 104 states have (on average 1.7211538461538463) internal successors, (179), 106 states have internal predecessors, (179), 54 states have call successors, (76), 35 states have call predecessors, (76), 68 states have return successors, (91), 70 states have call predecessors, (91), 54 states have call successors, (91) Word has length 350 [2023-02-17 08:03:13,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:03:13,788 INFO L225 Difference]: With dead ends: 1257 [2023-02-17 08:03:13,804 INFO L226 Difference]: Without dead ends: 1253 [2023-02-17 08:03:13,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1320 GetRequests, 640 SyntacticMatches, 166 SemanticMatches, 514 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85696 ImplicationChecksByTransitivity, 139.6s TimeCoverageRelationStatistics Valid=36266, Invalid=229474, Unknown=0, NotChecked=0, Total=265740 [2023-02-17 08:03:13,839 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 6069 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 34470 mSolverCounterSat, 21647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 2494 SdHoareTripleChecker+Invalid, 56117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 21647 IncrementalHoareTripleChecker+Valid, 34470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2023-02-17 08:03:13,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 2494 Invalid, 56117 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [21647 Valid, 34470 Invalid, 0 Unknown, 0 Unchecked, 27.8s Time] [2023-02-17 08:03:13,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2023-02-17 08:03:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1082. [2023-02-17 08:03:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 581 states have (on average 1.0499139414802066) internal successors, (610), 570 states have internal predecessors, (610), 324 states have call successors, (324), 195 states have call predecessors, (324), 176 states have return successors, (644), 316 states have call predecessors, (644), 324 states have call successors, (644) [2023-02-17 08:03:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1578 transitions. [2023-02-17 08:03:14,379 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1578 transitions. Word has length 350 [2023-02-17 08:03:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:03:14,380 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1578 transitions. [2023-02-17 08:03:14,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 104 states have (on average 1.7211538461538463) internal successors, (179), 106 states have internal predecessors, (179), 54 states have call successors, (76), 35 states have call predecessors, (76), 68 states have return successors, (91), 70 states have call predecessors, (91), 54 states have call successors, (91) [2023-02-17 08:03:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1578 transitions. [2023-02-17 08:03:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-02-17 08:03:14,385 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:03:14,386 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:03:14,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-17 08:03:14,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:03:14,594 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:03:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:03:14,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1561412011, now seen corresponding path program 13 times [2023-02-17 08:03:14,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:03:14,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48908594] [2023-02-17 08:03:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:03:14,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:03:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:03:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:03:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-02-17 08:03:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2023-02-17 08:03:15,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:03:15,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48908594] [2023-02-17 08:03:15,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48908594] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:03:15,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212662743] [2023-02-17 08:03:15,371 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-17 08:03:15,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:03:15,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:03:15,383 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:03:15,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-17 08:03:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:15,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 26 conjunts are in the unsatisfiable core [2023-02-17 08:03:15,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:03:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 254 proven. 1112 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2023-02-17 08:03:15,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 08:03:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 254 proven. 1162 refuted. 0 times theorem prover too weak. 7406 trivial. 0 not checked. [2023-02-17 08:03:16,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212662743] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 08:03:16,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 08:03:16,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2023-02-17 08:03:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521327227] [2023-02-17 08:03:16,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 08:03:16,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-02-17 08:03:16,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 08:03:16,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-02-17 08:03:16,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1230, Unknown=0, NotChecked=0, Total=1482 [2023-02-17 08:03:16,135 INFO L87 Difference]: Start difference. First operand 1082 states and 1578 transitions. Second operand has 39 states, 33 states have (on average 2.0) internal successors, (66), 32 states have internal predecessors, (66), 26 states have call successors, (31), 2 states have call predecessors, (31), 15 states have return successors, (44), 18 states have call predecessors, (44), 26 states have call successors, (44) [2023-02-17 08:03:17,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:03:17,076 INFO L93 Difference]: Finished difference Result 1652 states and 2596 transitions. [2023-02-17 08:03:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-17 08:03:17,077 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 33 states have (on average 2.0) internal successors, (66), 32 states have internal predecessors, (66), 26 states have call successors, (31), 2 states have call predecessors, (31), 15 states have return successors, (44), 18 states have call predecessors, (44), 26 states have call successors, (44) Word has length 356 [2023-02-17 08:03:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:03:17,102 INFO L225 Difference]: With dead ends: 1652 [2023-02-17 08:03:17,116 INFO L226 Difference]: Without dead ends: 1180 [2023-02-17 08:03:17,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 794 SyntacticMatches, 37 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=624, Invalid=2798, Unknown=0, NotChecked=0, Total=3422 [2023-02-17 08:03:17,120 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 53 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 08:03:17,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 194 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 08:03:17,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2023-02-17 08:03:17,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 977. [2023-02-17 08:03:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 493 states have (on average 1.054766734279919) internal successors, (520), 493 states have internal predecessors, (520), 303 states have call successors, (303), 151 states have call predecessors, (303), 180 states have return successors, (532), 332 states have call predecessors, (532), 303 states have call successors, (532) [2023-02-17 08:03:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1355 transitions. [2023-02-17 08:03:17,587 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1355 transitions. Word has length 356 [2023-02-17 08:03:17,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:03:17,587 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1355 transitions. [2023-02-17 08:03:17,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 33 states have (on average 2.0) internal successors, (66), 32 states have internal predecessors, (66), 26 states have call successors, (31), 2 states have call predecessors, (31), 15 states have return successors, (44), 18 states have call predecessors, (44), 26 states have call successors, (44) [2023-02-17 08:03:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1355 transitions. [2023-02-17 08:03:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2023-02-17 08:03:17,594 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:03:17,594 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:03:17,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-17 08:03:17,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-17 08:03:17,801 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:03:17,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:03:17,801 INFO L85 PathProgramCache]: Analyzing trace with hash -105398351, now seen corresponding path program 14 times [2023-02-17 08:03:17,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:03:17,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706223645] [2023-02-17 08:03:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:03:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:03:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:03:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:03:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-02-17 08:03:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:03:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2023-02-17 08:03:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2023-02-17 08:03:19,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:03:19,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706223645] [2023-02-17 08:03:19,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706223645] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:03:19,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36359278] [2023-02-17 08:03:19,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 08:03:19,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:03:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:03:19,481 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:03:19,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-17 08:03:19,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 08:03:19,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 08:03:19,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 3219 conjuncts, 26 conjunts are in the unsatisfiable core [2023-02-17 08:03:19,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:03:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 537 proven. 2750 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2023-02-17 08:03:20,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 08:03:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 537 proven. 2802 refuted. 0 times theorem prover too weak. 32623 trivial. 0 not checked. [2023-02-17 08:03:20,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36359278] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 08:03:20,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 08:03:20,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 17, 27] total 40 [2023-02-17 08:03:20,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716650620] [2023-02-17 08:03:20,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 08:03:20,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-02-17 08:03:20,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 08:03:20,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-02-17 08:03:20,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1275, Unknown=0, NotChecked=0, Total=1560 [2023-02-17 08:03:20,419 INFO L87 Difference]: Start difference. First operand 977 states and 1355 transitions. Second operand has 40 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 32 states have internal predecessors, (65), 28 states have call successors, (33), 2 states have call predecessors, (33), 15 states have return successors, (46), 19 states have call predecessors, (46), 28 states have call successors, (46) [2023-02-17 08:03:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 08:03:21,462 INFO L93 Difference]: Finished difference Result 1204 states and 1757 transitions. [2023-02-17 08:03:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-02-17 08:03:21,463 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 32 states have internal predecessors, (65), 28 states have call successors, (33), 2 states have call predecessors, (33), 15 states have return successors, (46), 19 states have call predecessors, (46), 28 states have call successors, (46) Word has length 670 [2023-02-17 08:03:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 08:03:21,471 INFO L225 Difference]: With dead ends: 1204 [2023-02-17 08:03:21,471 INFO L226 Difference]: Without dead ends: 1038 [2023-02-17 08:03:21,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1643 GetRequests, 1551 SyntacticMatches, 34 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=630, Invalid=2910, Unknown=0, NotChecked=0, Total=3540 [2023-02-17 08:03:21,474 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 72 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-17 08:03:21,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 195 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 08:03:21,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2023-02-17 08:03:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 977. [2023-02-17 08:03:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 494 states have (on average 1.0546558704453441) internal successors, (521), 494 states have internal predecessors, (521), 303 states have call successors, (303), 152 states have call predecessors, (303), 179 states have return successors, (501), 330 states have call predecessors, (501), 303 states have call successors, (501) [2023-02-17 08:03:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1325 transitions. [2023-02-17 08:03:21,964 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1325 transitions. Word has length 670 [2023-02-17 08:03:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 08:03:21,965 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1325 transitions. [2023-02-17 08:03:21,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 33 states have (on average 1.9696969696969697) internal successors, (65), 32 states have internal predecessors, (65), 28 states have call successors, (33), 2 states have call predecessors, (33), 15 states have return successors, (46), 19 states have call predecessors, (46), 28 states have call successors, (46) [2023-02-17 08:03:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1325 transitions. [2023-02-17 08:03:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2023-02-17 08:03:21,972 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 08:03:21,972 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 08:03:21,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-17 08:03:22,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-17 08:03:22,181 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 08:03:22,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 08:03:22,181 INFO L85 PathProgramCache]: Analyzing trace with hash 442651051, now seen corresponding path program 15 times [2023-02-17 08:03:22,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 08:03:22,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245077892] [2023-02-17 08:03:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 08:03:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 08:03:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 08:03:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:03:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-02-17 08:03:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-02-17 08:03:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-17 08:03:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 08:03:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-02-17 08:03:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-02-17 08:03:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2023-02-17 08:03:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 08:03:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 08:03:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 188 proven. 12010 refuted. 0 times theorem prover too weak. 23792 trivial. 0 not checked. [2023-02-17 08:03:42,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 08:03:42,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245077892] [2023-02-17 08:03:42,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245077892] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 08:03:42,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701617905] [2023-02-17 08:03:42,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 08:03:42,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 08:03:42,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 08:03:42,332 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 08:03:42,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-17 08:03:43,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 101 check-sat command(s) [2023-02-17 08:03:43,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 08:03:43,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 3231 conjuncts, 663 conjunts are in the unsatisfiable core [2023-02-17 08:03:43,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 08:03:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2023-02-17 08:03:44,951 INFO L328 TraceCheckSpWp]: Computing backward predicates...