./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/eca-rers2012/Problem10_label25.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 699ecca4c05e82af9ddaf76f64fe18abd85263cf30f7f15e631a0ddff4b0faf4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:38:37,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:38:37,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:38:37,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:38:37,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:38:37,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:38:37,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:38:37,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:38:37,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:38:37,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:38:37,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:38:37,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:38:37,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:38:37,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:38:37,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:38:37,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:38:37,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:38:37,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:38:37,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:38:37,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:38:37,744 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:38:37,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:38:37,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:38:37,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:38:37,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:38:37,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:38:37,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:38:37,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:38:37,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:38:37,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:38:37,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:38:37,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:38:37,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:38:37,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:38:37,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:38:37,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:38:37,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:38:37,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:38:37,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:38:37,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:38:37,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:38:37,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:38:37,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:38:37,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:38:37,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:38:37,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:38:37,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:38:37,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:38:37,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:38:37,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:38:37,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:38:37,807 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:38:37,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:38:37,808 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:38:37,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:38:37,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:38:37,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:38:37,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:38:37,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:38:37,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:38:37,809 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:38:37,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:38:37,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:38:37,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:38:37,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:38:37,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:38:37,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:38:37,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:38:37,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:38:37,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:38:37,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:38:37,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:38:37,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:38:37,812 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:38:37,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:38:37,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:38:37,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 699ecca4c05e82af9ddaf76f64fe18abd85263cf30f7f15e631a0ddff4b0faf4 [2022-07-20 23:38:38,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:38:38,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:38:38,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:38:38,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:38:38,151 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:38:38,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2022-07-20 23:38:38,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d920182/f79b6e5522884b09aa9bfce429014d52/FLAG89ed68b6c [2022-07-20 23:38:38,685 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:38:38,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2022-07-20 23:38:38,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d920182/f79b6e5522884b09aa9bfce429014d52/FLAG89ed68b6c [2022-07-20 23:38:38,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d920182/f79b6e5522884b09aa9bfce429014d52 [2022-07-20 23:38:38,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:38:38,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:38:38,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:38:38,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:38:39,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:38:39,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:38" (1/1) ... [2022-07-20 23:38:39,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c934e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39, skipping insertion in model container [2022-07-20 23:38:39,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:38" (1/1) ... [2022-07-20 23:38:39,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:38:39,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:38:39,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2022-07-20 23:38:39,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:38:39,378 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:38:39,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2022-07-20 23:38:39,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:38:39,511 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:38:39,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39 WrapperNode [2022-07-20 23:38:39,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:38:39,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:38:39,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:38:39,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:38:39,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,606 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-07-20 23:38:39,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:38:39,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:38:39,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:38:39,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:38:39,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:38:39,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:38:39,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:38:39,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:38:39,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (1/1) ... [2022-07-20 23:38:39,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:38:39,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:39,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 23:38:39,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 23:38:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:38:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:38:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:38:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:38:39,839 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:38:39,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:38:40,789 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:38:40,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:38:40,797 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:38:40,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:40 BoogieIcfgContainer [2022-07-20 23:38:40,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:38:40,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:38:40,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:38:40,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:38:40,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:38:38" (1/3) ... [2022-07-20 23:38:40,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d898f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:40, skipping insertion in model container [2022-07-20 23:38:40,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:39" (2/3) ... [2022-07-20 23:38:40,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d898f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:40, skipping insertion in model container [2022-07-20 23:38:40,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:40" (3/3) ... [2022-07-20 23:38:40,806 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2022-07-20 23:38:40,820 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:38:40,820 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:38:40,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:38:40,890 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3342f88f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@627de753 [2022-07-20 23:38:40,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:38:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-20 23:38:40,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:40,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:40,904 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2022-07-20 23:38:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:40,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878119870] [2022-07-20 23:38:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:40,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:41,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:41,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878119870] [2022-07-20 23:38:41,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878119870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:41,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:41,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847159113] [2022-07-20 23:38:41,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:41,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:41,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:41,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:41,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:41,256 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:41,944 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-07-20 23:38:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:41,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-07-20 23:38:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:41,956 INFO L225 Difference]: With dead ends: 552 [2022-07-20 23:38:41,956 INFO L226 Difference]: Without dead ends: 282 [2022-07-20 23:38:41,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:41,965 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 99 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:41,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:38:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-20 23:38:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-07-20 23:38:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2022-07-20 23:38:42,009 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 64 [2022-07-20 23:38:42,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:42,011 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2022-07-20 23:38:42,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2022-07-20 23:38:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-20 23:38:42,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:42,016 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:42,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:38:42,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:42,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1447096606, now seen corresponding path program 1 times [2022-07-20 23:38:42,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:42,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220877501] [2022-07-20 23:38:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:42,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:42,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220877501] [2022-07-20 23:38:42,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220877501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:42,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:42,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:42,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126812288] [2022-07-20 23:38:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:42,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:42,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:42,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:42,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:42,136 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:42,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:42,581 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2022-07-20 23:38:42,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:42,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-20 23:38:42,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:42,584 INFO L225 Difference]: With dead ends: 701 [2022-07-20 23:38:42,584 INFO L226 Difference]: Without dead ends: 421 [2022-07-20 23:38:42,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:42,586 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 82 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:42,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 215 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-07-20 23:38:42,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-07-20 23:38:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2523809523809524) internal successors, (526), 420 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2022-07-20 23:38:42,613 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 130 [2022-07-20 23:38:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:42,613 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2022-07-20 23:38:42,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2022-07-20 23:38:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-20 23:38:42,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:42,626 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:42,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:38:42,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:42,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:42,628 INFO L85 PathProgramCache]: Analyzing trace with hash 845275185, now seen corresponding path program 1 times [2022-07-20 23:38:42,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:42,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821893870] [2022-07-20 23:38:42,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:42,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:42,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821893870] [2022-07-20 23:38:42,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821893870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:42,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:42,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:42,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497435619] [2022-07-20 23:38:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:42,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:42,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:42,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:42,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:42,810 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:43,205 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2022-07-20 23:38:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2022-07-20 23:38:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:43,208 INFO L225 Difference]: With dead ends: 979 [2022-07-20 23:38:43,208 INFO L226 Difference]: Without dead ends: 560 [2022-07-20 23:38:43,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:43,211 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:43,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-20 23:38:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2022-07-20 23:38:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2075134168157424) internal successors, (675), 559 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2022-07-20 23:38:43,228 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 137 [2022-07-20 23:38:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:43,228 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2022-07-20 23:38:43,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2022-07-20 23:38:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-20 23:38:43,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:43,231 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:43,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:38:43,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:43,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:43,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1963860308, now seen corresponding path program 1 times [2022-07-20 23:38:43,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:43,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393173776] [2022-07-20 23:38:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:43,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:43,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393173776] [2022-07-20 23:38:43,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393173776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:43,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:43,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 23:38:43,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092203270] [2022-07-20 23:38:43,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:43,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 23:38:43,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 23:38:43,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:38:43,453 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:43,850 INFO L93 Difference]: Finished difference Result 1034 states and 1254 transitions. [2022-07-20 23:38:43,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 23:38:43,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-07-20 23:38:43,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:43,853 INFO L225 Difference]: With dead ends: 1034 [2022-07-20 23:38:43,853 INFO L226 Difference]: Without dead ends: 560 [2022-07-20 23:38:43,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:38:43,855 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 201 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:43,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 23 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-20 23:38:43,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2022-07-20 23:38:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2021466905187836) internal successors, (672), 559 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2022-07-20 23:38:43,867 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 139 [2022-07-20 23:38:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:43,867 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2022-07-20 23:38:43,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2022-07-20 23:38:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-20 23:38:43,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:43,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:43,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:38:43,870 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:43,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1763631748, now seen corresponding path program 1 times [2022-07-20 23:38:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:43,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344696448] [2022-07-20 23:38:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:43,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344696448] [2022-07-20 23:38:43,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344696448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:43,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:43,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:43,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152983126] [2022-07-20 23:38:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:43,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:43,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:43,984 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:44,388 INFO L93 Difference]: Finished difference Result 1257 states and 1566 transitions. [2022-07-20 23:38:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:44,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2022-07-20 23:38:44,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:44,392 INFO L225 Difference]: With dead ends: 1257 [2022-07-20 23:38:44,392 INFO L226 Difference]: Without dead ends: 838 [2022-07-20 23:38:44,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:44,395 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:44,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 34 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-07-20 23:38:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2022-07-20 23:38:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.1995221027479093) internal successors, (1004), 837 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions. [2022-07-20 23:38:44,440 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 155 [2022-07-20 23:38:44,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:44,442 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions. [2022-07-20 23:38:44,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions. [2022-07-20 23:38:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-20 23:38:44,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:44,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:44,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:38:44,448 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:44,448 INFO L85 PathProgramCache]: Analyzing trace with hash -461516974, now seen corresponding path program 1 times [2022-07-20 23:38:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:44,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102722376] [2022-07-20 23:38:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-20 23:38:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:44,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102722376] [2022-07-20 23:38:44,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102722376] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:38:44,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671214371] [2022-07-20 23:38:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:44,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:44,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:44,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:38:44,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:38:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:44,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:38:44,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:38:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-20 23:38:44,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:38:44,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671214371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:44,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:38:44,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-20 23:38:44,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76360975] [2022-07-20 23:38:44,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:44,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:44,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:44,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:44,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 23:38:44,944 INFO L87 Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:45,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:45,359 INFO L93 Difference]: Finished difference Result 1257 states and 1491 transitions. [2022-07-20 23:38:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:45,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2022-07-20 23:38:45,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:45,363 INFO L225 Difference]: With dead ends: 1257 [2022-07-20 23:38:45,364 INFO L226 Difference]: Without dead ends: 1255 [2022-07-20 23:38:45,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 23:38:45,365 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 69 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:45,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 11 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-07-20 23:38:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977. [2022-07-20 23:38:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2202868852459017) internal successors, (1191), 976 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2022-07-20 23:38:45,385 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 175 [2022-07-20 23:38:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:45,385 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2022-07-20 23:38:45,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2022-07-20 23:38:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 23:38:45,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:45,389 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:45,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 23:38:45,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-20 23:38:45,604 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1888354560, now seen corresponding path program 1 times [2022-07-20 23:38:45,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:45,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683786947] [2022-07-20 23:38:45,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:45,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:45,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683786947] [2022-07-20 23:38:45,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683786947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:45,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:45,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850251130] [2022-07-20 23:38:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:45,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:45,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:45,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:45,746 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:46,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:46,165 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2022-07-20 23:38:46,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:46,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-07-20 23:38:46,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:46,170 INFO L225 Difference]: With dead ends: 2091 [2022-07-20 23:38:46,170 INFO L226 Difference]: Without dead ends: 1255 [2022-07-20 23:38:46,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:46,172 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 76 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:46,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 189 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-07-20 23:38:46,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2022-07-20 23:38:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1650717703349283) internal successors, (1461), 1254 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2022-07-20 23:38:46,196 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 253 [2022-07-20 23:38:46,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:46,197 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2022-07-20 23:38:46,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2022-07-20 23:38:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-20 23:38:46,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:46,202 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:46,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:38:46,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:46,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:46,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1346063185, now seen corresponding path program 1 times [2022-07-20 23:38:46,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182627258] [2022-07-20 23:38:46,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 77 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:46,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:46,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182627258] [2022-07-20 23:38:46,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182627258] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:38:46,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803371605] [2022-07-20 23:38:46,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:46,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:46,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:46,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:38:46,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 23:38:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:46,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:38:46,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:38:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-20 23:38:46,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:38:46,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803371605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:46,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:38:46,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-20 23:38:46,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417926425] [2022-07-20 23:38:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:46,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:46,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:46,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:46,703 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:47,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:47,095 INFO L93 Difference]: Finished difference Result 1674 states and 1948 transitions. [2022-07-20 23:38:47,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:47,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2022-07-20 23:38:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:47,101 INFO L225 Difference]: With dead ends: 1674 [2022-07-20 23:38:47,101 INFO L226 Difference]: Without dead ends: 1672 [2022-07-20 23:38:47,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:47,103 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 120 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:47,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 11 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:47,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-07-20 23:38:47,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2022-07-20 23:38:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1650717703349283) internal successors, (1461), 1254 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2022-07-20 23:38:47,126 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 312 [2022-07-20 23:38:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:47,127 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2022-07-20 23:38:47,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:47,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2022-07-20 23:38:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-20 23:38:47,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:47,131 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:47,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-20 23:38:47,351 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,SelfDestructingSolverStorable7 [2022-07-20 23:38:47,351 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:47,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:47,352 INFO L85 PathProgramCache]: Analyzing trace with hash -63999649, now seen corresponding path program 1 times [2022-07-20 23:38:47,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:47,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510362926] [2022-07-20 23:38:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 258 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:47,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:47,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510362926] [2022-07-20 23:38:47,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510362926] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:38:47,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247236754] [2022-07-20 23:38:47,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:47,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:38:47,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 23:38:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:47,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:38:47,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:38:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-20 23:38:47,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:38:47,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247236754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:47,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:38:47,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-20 23:38:47,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848521102] [2022-07-20 23:38:47,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:47,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:47,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:47,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:47,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:47,732 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:48,134 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions. [2022-07-20 23:38:48,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:48,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2022-07-20 23:38:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:48,140 INFO L225 Difference]: With dead ends: 2647 [2022-07-20 23:38:48,140 INFO L226 Difference]: Without dead ends: 1533 [2022-07-20 23:38:48,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:48,142 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:48,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2022-07-20 23:38:48,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2022-07-20 23:38:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.1866840731070496) internal successors, (1818), 1532 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1818 transitions. [2022-07-20 23:38:48,170 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1818 transitions. Word has length 326 [2022-07-20 23:38:48,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:48,171 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1818 transitions. [2022-07-20 23:38:48,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1818 transitions. [2022-07-20 23:38:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-07-20 23:38:48,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:48,176 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:48,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 23:38:48,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:48,391 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:48,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1075041914, now seen corresponding path program 1 times [2022-07-20 23:38:48,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:48,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396425595] [2022-07-20 23:38:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:48,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-07-20 23:38:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:48,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396425595] [2022-07-20 23:38:48,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396425595] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:48,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:48,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734634799] [2022-07-20 23:38:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:48,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:48,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:48,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:48,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:48,567 INFO L87 Difference]: Start difference. First operand 1533 states and 1818 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:49,016 INFO L93 Difference]: Finished difference Result 4037 states and 4795 transitions. [2022-07-20 23:38:49,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:49,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2022-07-20 23:38:49,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:49,027 INFO L225 Difference]: With dead ends: 4037 [2022-07-20 23:38:49,028 INFO L226 Difference]: Without dead ends: 2645 [2022-07-20 23:38:49,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:49,031 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 80 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:49,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 51 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2022-07-20 23:38:49,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1811. [2022-07-20 23:38:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.1651933701657458) internal successors, (2109), 1810 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2109 transitions. [2022-07-20 23:38:49,089 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2109 transitions. Word has length 336 [2022-07-20 23:38:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:49,090 INFO L495 AbstractCegarLoop]: Abstraction has 1811 states and 2109 transitions. [2022-07-20 23:38:49,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2109 transitions. [2022-07-20 23:38:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-07-20 23:38:49,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:49,097 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:49,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:38:49,098 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:49,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:49,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1108958479, now seen corresponding path program 1 times [2022-07-20 23:38:49,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:49,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880882087] [2022-07-20 23:38:49,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:49,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-20 23:38:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:49,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880882087] [2022-07-20 23:38:49,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880882087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:49,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:49,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922405675] [2022-07-20 23:38:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:49,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:38:49,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:49,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:38:49,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:38:49,282 INFO L87 Difference]: Start difference. First operand 1811 states and 2109 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:49,631 INFO L93 Difference]: Finished difference Result 3354 states and 3931 transitions. [2022-07-20 23:38:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:38:49,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2022-07-20 23:38:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:49,633 INFO L225 Difference]: With dead ends: 3354 [2022-07-20 23:38:49,633 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:38:49,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:38:49,636 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 94 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:49,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 12 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 23:38:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:38:49,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:38:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:38:49,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2022-07-20 23:38:49,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:49,638 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:38:49,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:38:49,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:38:49,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:38:49,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 23:38:49,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-07-20 23:38:49,996 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-07-20 23:38:49,997 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-20 23:38:49,998 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-07-20 23:38:49,999 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,000 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-07-20 23:38:50,001 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,002 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-20 23:38:50,003 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-20 23:38:50,004 INFO L895 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 8 ~a19~0) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a1~0 33)) (and .cse0 .cse1 (= ~a10~0 2) .cse2) (and .cse3 (<= 221 ~a1~0) .cse1 .cse2 (= 7 ~a19~0)) (and .cse3 .cse1 .cse2 (<= 9 ~a19~0)))) [2022-07-20 23:38:50,004 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,005 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-20 23:38:50,006 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-07-20 23:38:50,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-20 23:38:50,008 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-07-20 23:38:50,009 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-07-20 23:38:50,010 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-20 23:38:50,011 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= 8 ~a19~0) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a1~0 33)) (and .cse0 .cse1 (= ~a10~0 2) .cse2) (and .cse3 (<= 221 ~a1~0) .cse1 .cse2 (= 7 ~a19~0)) (and .cse3 .cse1 .cse2 (<= 9 ~a19~0)))) [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,012 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-07-20 23:38:50,013 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2022-07-20 23:38:50,014 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,015 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-20 23:38:50,016 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-20 23:38:50,017 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-20 23:38:50,017 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-20 23:38:50,021 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:50,024 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:38:50,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:38:50 BoogieIcfgContainer [2022-07-20 23:38:50,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:38:50,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:38:50,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:38:50,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:38:50,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:40" (3/4) ... [2022-07-20 23:38:50,065 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:38:50,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:38:50,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:38:50,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:38:50,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:38:50,185 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:38:50,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:38:50,185 INFO L158 Benchmark]: Toolchain (without parser) took 11193.76ms. Allocated memory was 65.0MB in the beginning and 192.9MB in the end (delta: 127.9MB). Free memory was 43.8MB in the beginning and 90.1MB in the end (delta: -46.3MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,186 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:38:50,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.40ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 37.6MB in the end (delta: 6.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.59ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 29.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,187 INFO L158 Benchmark]: Boogie Preprocessor took 79.40ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.5MB in the beginning and 54.7MB in the end (delta: -25.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,187 INFO L158 Benchmark]: RCFGBuilder took 1111.77ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 34.7MB in the end (delta: 20.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,188 INFO L158 Benchmark]: TraceAbstraction took 9261.31ms. Allocated memory was 79.7MB in the beginning and 192.9MB in the end (delta: 113.2MB). Free memory was 34.3MB in the beginning and 100.8MB in the end (delta: -66.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,188 INFO L158 Benchmark]: Witness Printer took 122.74ms. Allocated memory is still 192.9MB. Free memory was 99.7MB in the beginning and 90.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-20 23:38:50,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.40ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 37.6MB in the end (delta: 6.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.59ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 29.5MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.40ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 29.5MB in the beginning and 54.7MB in the end (delta: -25.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.77ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 34.7MB in the end (delta: 20.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9261.31ms. Allocated memory was 79.7MB in the beginning and 192.9MB in the end (delta: 113.2MB). Free memory was 34.3MB in the beginning and 100.8MB in the end (delta: -66.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 122.74ms. Allocated memory is still 192.9MB. Free memory was 99.7MB in the beginning and 90.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 206]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1063 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1063 mSDsluCounter, 762 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4232 IncrementalHoareTripleChecker+Invalid, 4879 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 647 mSolverCounterUnsat, 706 mSDtfsCounter, 4232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 823 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 159 HoareAnnotationTreeSize, 3 FomulaSimplifications, 316 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1146 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3196 ConstructedInterpolants, 0 QuantifiedInterpolants, 15279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1154 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 2386/2716 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a12 == 0) && a1 <= 33)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0)) || ((((a10 == 1 && 221 <= a1) && 14 == a4) && a12 == 0) && 7 == a19)) || (((a10 == 1 && 14 == a4) && a12 == 0) && 9 <= a19) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a12 == 0) && a1 <= 33)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0)) || ((((a10 == 1 && 221 <= a1) && 14 == a4) && a12 == 0) && 7 == a19)) || (((a10 == 1 && 14 == a4) && a12 == 0) && 9 <= a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:38:50,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE