./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/Problem11_label55.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 f6d02704ccebd19d4e889516335451cc1dfbc560 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 21:47:13,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:47:13,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:47:13,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:47:13,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:47:13,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:47:13,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:47:13,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:47:13,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:47:13,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:47:13,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:47:13,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:47:13,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:47:13,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:47:13,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:47:13,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:47:13,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:47:13,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:47:13,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:47:13,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:47:13,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:47:13,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:47:13,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:47:13,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:47:13,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:47:13,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:47:13,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:47:13,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:47:13,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:47:13,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:47:13,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:47:13,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:47:13,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:47:13,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:47:13,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:47:13,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:47:13,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:47:13,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:47:13,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:47:13,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:47:13,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:47:13,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:47:13,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:47:13,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:47:13,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:47:13,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:47:13,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:47:13,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:47:13,761 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:47:13,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:47:13,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:47:13,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:47:13,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:47:13,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:47:13,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:47:13,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:47:13,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:47:13,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:47:13,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:47:13,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:47:13,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:47:13,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:47:13,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:47:13,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:47:13,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:47:13,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:47:13,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:47:13,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:47:13,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:47:13,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:47:13,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:47:13,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:47:13,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d02704ccebd19d4e889516335451cc1dfbc560 [2021-08-25 21:47:14,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:47:14,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:47:14,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:47:14,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:47:14,057 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:47:14,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2021-08-25 21:47:14,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9311616b/4e3c249e9f4c46a2b2d558a7865896a9/FLAGeceacb23d [2021-08-25 21:47:14,513 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:47:14,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2021-08-25 21:47:14,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9311616b/4e3c249e9f4c46a2b2d558a7865896a9/FLAGeceacb23d [2021-08-25 21:47:14,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9311616b/4e3c249e9f4c46a2b2d558a7865896a9 [2021-08-25 21:47:14,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:47:14,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:47:14,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:47:14,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:47:14,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:47:14,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:47:14" (1/1) ... [2021-08-25 21:47:14,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f791cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:14, skipping insertion in model container [2021-08-25 21:47:14,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:47:14" (1/1) ... [2021-08-25 21:47:14,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:47:14,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:47:15,103 WARN L228 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/Problem11_label55.c[6546,6559] [2021-08-25 21:47:15,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:47:15,365 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:47:15,408 WARN L228 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/Problem11_label55.c[6546,6559] [2021-08-25 21:47:15,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:47:15,533 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:47:15,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15 WrapperNode [2021-08-25 21:47:15,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:47:15,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:47:15,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:47:15,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:47:15,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:47:15,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:47:15,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:47:15,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:47:15,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:47:15,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:47:15,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:47:15,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:47:15,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (1/1) ... [2021-08-25 21:47:15,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:47:15,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:15,790 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) [2021-08-25 21:47:15,846 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 [2021-08-25 21:47:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:47:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:47:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:47:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:47:17,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:47:17,079 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:47:17,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:47:17 BoogieIcfgContainer [2021-08-25 21:47:17,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:47:17,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:47:17,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:47:17,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:47:17,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:47:14" (1/3) ... [2021-08-25 21:47:17,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc53d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:47:17, skipping insertion in model container [2021-08-25 21:47:17,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:47:15" (2/3) ... [2021-08-25 21:47:17,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc53d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:47:17, skipping insertion in model container [2021-08-25 21:47:17,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:47:17" (3/3) ... [2021-08-25 21:47:17,086 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2021-08-25 21:47:17,089 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:47:17,090 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:47:17,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:47:17,134 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 21:47:17,134 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:47:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-08-25 21:47:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-25 21:47:17,158 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:17,159 INFO L512 BasicCegarLoop]: 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] [2021-08-25 21:47:17,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:17,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:17,163 INFO L82 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2021-08-25 21:47:17,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:17,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959830455] [2021-08-25 21:47:17,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:17,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:17,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:17,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959830455] [2021-08-25 21:47:17,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959830455] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:17,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:17,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:17,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018478177] [2021-08-25 21:47:17,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:17,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:17,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:17,322 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-08-25 21:47:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:18,204 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-08-25 21:47:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:18,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2021-08-25 21:47:18,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:18,213 INFO L225 Difference]: With dead ends: 776 [2021-08-25 21:47:18,213 INFO L226 Difference]: Without dead ends: 413 [2021-08-25 21:47:18,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-08-25 21:47:18,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-08-25 21:47:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 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) [2021-08-25 21:47:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-08-25 21:47:18,267 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 45 [2021-08-25 21:47:18,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:18,267 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-08-25 21:47:18,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-08-25 21:47:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-08-25 21:47:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-08-25 21:47:18,270 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:18,270 INFO L512 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:18,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:47:18,270 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:18,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:18,271 INFO L82 PathProgramCache]: Analyzing trace with hash -954308976, now seen corresponding path program 1 times [2021-08-25 21:47:18,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:18,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303604891] [2021-08-25 21:47:18,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:18,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:18,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:18,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303604891] [2021-08-25 21:47:18,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303604891] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:18,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:18,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:18,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105506424] [2021-08-25 21:47:18,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:18,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:18,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:18,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:18,405 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-08-25 21:47:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:19,013 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-08-25 21:47:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:19,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2021-08-25 21:47:19,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:19,017 INFO L225 Difference]: With dead ends: 1209 [2021-08-25 21:47:19,017 INFO L226 Difference]: Without dead ends: 800 [2021-08-25 21:47:19,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-08-25 21:47:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-08-25 21:47:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 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) [2021-08-25 21:47:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-08-25 21:47:19,035 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 113 [2021-08-25 21:47:19,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:19,035 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-08-25 21:47:19,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-08-25 21:47:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-08-25 21:47:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-08-25 21:47:19,037 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:19,037 INFO L512 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:19,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:47:19,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:19,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:19,038 INFO L82 PathProgramCache]: Analyzing trace with hash 975979568, now seen corresponding path program 1 times [2021-08-25 21:47:19,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:19,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780781731] [2021-08-25 21:47:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:19,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:19,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:19,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780781731] [2021-08-25 21:47:19,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780781731] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:19,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:19,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:19,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686777811] [2021-08-25 21:47:19,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:19,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:19,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:19,111 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 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) [2021-08-25 21:47:19,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:19,716 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-08-25 21:47:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:19,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 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 114 [2021-08-25 21:47:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:19,720 INFO L225 Difference]: With dead ends: 1942 [2021-08-25 21:47:19,720 INFO L226 Difference]: Without dead ends: 1157 [2021-08-25 21:47:19,721 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-08-25 21:47:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-08-25 21:47:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 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) [2021-08-25 21:47:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-08-25 21:47:19,757 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 114 [2021-08-25 21:47:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:19,758 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-08-25 21:47:19,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 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) [2021-08-25 21:47:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-08-25 21:47:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-08-25 21:47:19,764 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:19,764 INFO L512 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:19,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:47:19,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -103496756, now seen corresponding path program 1 times [2021-08-25 21:47:19,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:19,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794819471] [2021-08-25 21:47:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:19,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 21:47:19,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:19,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794819471] [2021-08-25 21:47:19,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794819471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:19,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:19,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:19,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046290226] [2021-08-25 21:47:19,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:19,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:19,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:19,977 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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) [2021-08-25 21:47:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:20,596 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2021-08-25 21:47:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:20,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 157 [2021-08-25 21:47:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:20,600 INFO L225 Difference]: With dead ends: 2502 [2021-08-25 21:47:20,600 INFO L226 Difference]: Without dead ends: 1532 [2021-08-25 21:47:20,601 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-08-25 21:47:20,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-08-25 21:47:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 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) [2021-08-25 21:47:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2021-08-25 21:47:20,631 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 157 [2021-08-25 21:47:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:20,632 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2021-08-25 21:47:20,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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) [2021-08-25 21:47:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2021-08-25 21:47:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-08-25 21:47:20,633 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:20,633 INFO L512 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:20,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:47:20,633 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:20,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1015853899, now seen corresponding path program 1 times [2021-08-25 21:47:20,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:20,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016269565] [2021-08-25 21:47:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:20,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:20,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:20,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016269565] [2021-08-25 21:47:20,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016269565] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:20,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:20,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:20,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820592315] [2021-08-25 21:47:20,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:20,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:20,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:20,708 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-08-25 21:47:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:21,347 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2021-08-25 21:47:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:21,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 172 [2021-08-25 21:47:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:21,354 INFO L225 Difference]: With dead ends: 3644 [2021-08-25 21:47:21,354 INFO L226 Difference]: Without dead ends: 2298 [2021-08-25 21:47:21,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-08-25 21:47:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-08-25 21:47:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 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) [2021-08-25 21:47:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2021-08-25 21:47:21,381 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 172 [2021-08-25 21:47:21,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:21,383 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2021-08-25 21:47:21,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-08-25 21:47:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2021-08-25 21:47:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-08-25 21:47:21,386 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:21,386 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:21,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:47:21,387 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:21,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1543850387, now seen corresponding path program 1 times [2021-08-25 21:47:21,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:21,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654321062] [2021-08-25 21:47:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:21,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:21,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:21,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654321062] [2021-08-25 21:47:21,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654321062] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:21,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:21,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:21,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075174400] [2021-08-25 21:47:21,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:21,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:21,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:21,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:21,490 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-08-25 21:47:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:22,143 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2021-08-25 21:47:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 225 [2021-08-25 21:47:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:22,152 INFO L225 Difference]: With dead ends: 5528 [2021-08-25 21:47:22,152 INFO L226 Difference]: Without dead ends: 3419 [2021-08-25 21:47:22,157 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:22,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2021-08-25 21:47:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2021-08-25 21:47:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 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) [2021-08-25 21:47:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2021-08-25 21:47:22,203 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 225 [2021-08-25 21:47:22,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:22,203 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2021-08-25 21:47:22,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-08-25 21:47:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2021-08-25 21:47:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-08-25 21:47:22,205 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:22,206 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:22,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:47:22,206 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:22,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:22,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1109508493, now seen corresponding path program 1 times [2021-08-25 21:47:22,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:22,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356677814] [2021-08-25 21:47:22,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:22,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:47:22,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:22,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356677814] [2021-08-25 21:47:22,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356677814] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:22,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:22,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:22,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403537212] [2021-08-25 21:47:22,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:22,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:22,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:22,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:22,279 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-08-25 21:47:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:22,844 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2021-08-25 21:47:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 226 [2021-08-25 21:47:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:22,854 INFO L225 Difference]: With dead ends: 7371 [2021-08-25 21:47:22,854 INFO L226 Difference]: Without dead ends: 4155 [2021-08-25 21:47:22,857 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2021-08-25 21:47:22,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2021-08-25 21:47:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 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) [2021-08-25 21:47:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2021-08-25 21:47:22,900 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 226 [2021-08-25 21:47:22,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:22,901 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2021-08-25 21:47:22,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-08-25 21:47:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2021-08-25 21:47:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-08-25 21:47:22,903 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:22,903 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:22,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 21:47:22,903 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:22,904 INFO L82 PathProgramCache]: Analyzing trace with hash 616043864, now seen corresponding path program 1 times [2021-08-25 21:47:22,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:22,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983938212] [2021-08-25 21:47:22,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:22,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:47:22,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:22,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983938212] [2021-08-25 21:47:22,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983938212] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:22,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:22,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:22,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822131717] [2021-08-25 21:47:22,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:22,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:22,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:22,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:22,980 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-08-25 21:47:23,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:23,801 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2021-08-25 21:47:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:23,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 227 [2021-08-25 21:47:23,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:23,814 INFO L225 Difference]: With dead ends: 9207 [2021-08-25 21:47:23,815 INFO L226 Difference]: Without dead ends: 5071 [2021-08-25 21:47:23,818 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:23,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2021-08-25 21:47:23,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2021-08-25 21:47:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 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) [2021-08-25 21:47:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2021-08-25 21:47:23,873 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 227 [2021-08-25 21:47:23,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:23,873 INFO L470 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2021-08-25 21:47:23,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-08-25 21:47:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2021-08-25 21:47:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-08-25 21:47:23,875 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:23,876 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:23,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 21:47:23,876 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:23,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:23,876 INFO L82 PathProgramCache]: Analyzing trace with hash 213296906, now seen corresponding path program 1 times [2021-08-25 21:47:23,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:23,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682168762] [2021-08-25 21:47:23,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:23,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:23,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:23,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682168762] [2021-08-25 21:47:23,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682168762] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:23,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:23,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:23,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878891292] [2021-08-25 21:47:23,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:23,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:23,963 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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) [2021-08-25 21:47:25,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:25,404 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2021-08-25 21:47:25,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:25,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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 247 [2021-08-25 21:47:25,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:25,441 INFO L225 Difference]: With dead ends: 15870 [2021-08-25 21:47:25,441 INFO L226 Difference]: Without dead ends: 10998 [2021-08-25 21:47:25,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:25,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2021-08-25 21:47:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2021-08-25 21:47:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 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) [2021-08-25 21:47:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2021-08-25 21:47:25,583 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 247 [2021-08-25 21:47:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:25,583 INFO L470 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2021-08-25 21:47:25,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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) [2021-08-25 21:47:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2021-08-25 21:47:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-08-25 21:47:25,587 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:25,588 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:25,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 21:47:25,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:25,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:25,588 INFO L82 PathProgramCache]: Analyzing trace with hash 389049443, now seen corresponding path program 1 times [2021-08-25 21:47:25,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:25,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712062638] [2021-08-25 21:47:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:25,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:25,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:25,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712062638] [2021-08-25 21:47:25,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712062638] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:25,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:25,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:25,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962615686] [2021-08-25 21:47:25,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:25,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:25,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:25,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:25,673 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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) [2021-08-25 21:47:26,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:26,869 INFO L93 Difference]: Finished difference Result 22713 states and 27383 transitions. [2021-08-25 21:47:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:26,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 257 [2021-08-25 21:47:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:26,887 INFO L225 Difference]: With dead ends: 22713 [2021-08-25 21:47:26,887 INFO L226 Difference]: Without dead ends: 13762 [2021-08-25 21:47:26,896 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13762 states. [2021-08-25 21:47:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13762 to 13378. [2021-08-25 21:47:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1920460491889064) internal successors, (15946), 13377 states have internal predecessors, (15946), 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) [2021-08-25 21:47:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15946 transitions. [2021-08-25 21:47:27,051 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15946 transitions. Word has length 257 [2021-08-25 21:47:27,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:27,051 INFO L470 AbstractCegarLoop]: Abstraction has 13378 states and 15946 transitions. [2021-08-25 21:47:27,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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) [2021-08-25 21:47:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15946 transitions. [2021-08-25 21:47:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-08-25 21:47:27,055 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:27,055 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:27,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:47:27,056 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:27,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:27,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1785532527, now seen corresponding path program 1 times [2021-08-25 21:47:27,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:27,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765434321] [2021-08-25 21:47:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:27,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 62 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-25 21:47:27,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:27,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765434321] [2021-08-25 21:47:27,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765434321] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:47:27,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124388097] [2021-08-25 21:47:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:27,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:27,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:27,229 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) [2021-08-25 21:47:27,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 21:47:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:27,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:47:27,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:47:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-25 21:47:27,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124388097] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:27,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:47:27,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:47:27,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842297349] [2021-08-25 21:47:27,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:27,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:27,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:27,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:47:27,960 INFO L87 Difference]: Start difference. First operand 13378 states and 15946 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2021-08-25 21:47:28,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:28,712 INFO L93 Difference]: Finished difference Result 32089 states and 38433 transitions. [2021-08-25 21:47:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:28,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 259 [2021-08-25 21:47:28,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:28,737 INFO L225 Difference]: With dead ends: 32089 [2021-08-25 21:47:28,738 INFO L226 Difference]: Without dead ends: 18713 [2021-08-25 21:47:28,751 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 21:47:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18713 states. [2021-08-25 21:47:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18713 to 17789. [2021-08-25 21:47:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17789 states, 17788 states have (on average 1.1721385203507984) internal successors, (20850), 17788 states have internal predecessors, (20850), 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) [2021-08-25 21:47:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17789 states to 17789 states and 20850 transitions. [2021-08-25 21:47:29,066 INFO L78 Accepts]: Start accepts. Automaton has 17789 states and 20850 transitions. Word has length 259 [2021-08-25 21:47:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:29,067 INFO L470 AbstractCegarLoop]: Abstraction has 17789 states and 20850 transitions. [2021-08-25 21:47:29,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2021-08-25 21:47:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 17789 states and 20850 transitions. [2021-08-25 21:47:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-08-25 21:47:29,081 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:29,081 INFO L512 BasicCegarLoop]: 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, 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] [2021-08-25 21:47:29,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-25 21:47:29,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-25 21:47:29,282 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:29,282 INFO L82 PathProgramCache]: Analyzing trace with hash -909161094, now seen corresponding path program 1 times [2021-08-25 21:47:29,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:29,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657769273] [2021-08-25 21:47:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:29,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:47:29,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:29,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657769273] [2021-08-25 21:47:29,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657769273] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:29,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:29,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:29,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581939763] [2021-08-25 21:47:29,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:29,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:29,352 INFO L87 Difference]: Start difference. First operand 17789 states and 20850 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2021-08-25 21:47:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:30,119 INFO L93 Difference]: Finished difference Result 35586 states and 41718 transitions. [2021-08-25 21:47:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:30,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 264 [2021-08-25 21:47:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:30,144 INFO L225 Difference]: With dead ends: 35586 [2021-08-25 21:47:30,144 INFO L226 Difference]: Without dead ends: 17799 [2021-08-25 21:47:30,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17799 states. [2021-08-25 21:47:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17799 to 17788. [2021-08-25 21:47:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1440377804014168) internal successors, (20349), 17787 states have internal predecessors, (20349), 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) [2021-08-25 21:47:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20349 transitions. [2021-08-25 21:47:30,458 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20349 transitions. Word has length 264 [2021-08-25 21:47:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:30,459 INFO L470 AbstractCegarLoop]: Abstraction has 17788 states and 20349 transitions. [2021-08-25 21:47:30,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2021-08-25 21:47:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20349 transitions. [2021-08-25 21:47:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-08-25 21:47:30,464 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:30,464 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1] [2021-08-25 21:47:30,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 21:47:30,465 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:30,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1936772335, now seen corresponding path program 1 times [2021-08-25 21:47:30,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:30,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813792492] [2021-08-25 21:47:30,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:30,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 141 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:30,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:30,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813792492] [2021-08-25 21:47:30,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813792492] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:47:30,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422690040] [2021-08-25 21:47:30,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:30,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:30,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:30,595 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) [2021-08-25 21:47:30,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 21:47:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:30,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:47:30,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:47:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:31,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422690040] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:31,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:47:31,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:47:31,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268141557] [2021-08-25 21:47:31,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:31,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:31,775 INFO L87 Difference]: Start difference. First operand 17788 states and 20349 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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) [2021-08-25 21:47:32,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:32,630 INFO L93 Difference]: Finished difference Result 35578 states and 40702 transitions. [2021-08-25 21:47:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:32,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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 278 [2021-08-25 21:47:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:32,650 INFO L225 Difference]: With dead ends: 35578 [2021-08-25 21:47:32,650 INFO L226 Difference]: Without dead ends: 17792 [2021-08-25 21:47:32,661 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2021-08-25 21:47:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 17788. [2021-08-25 21:47:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1430258053634677) internal successors, (20331), 17787 states have internal predecessors, (20331), 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) [2021-08-25 21:47:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20331 transitions. [2021-08-25 21:47:32,802 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20331 transitions. Word has length 278 [2021-08-25 21:47:32,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:32,802 INFO L470 AbstractCegarLoop]: Abstraction has 17788 states and 20331 transitions. [2021-08-25 21:47:32,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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) [2021-08-25 21:47:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20331 transitions. [2021-08-25 21:47:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-08-25 21:47:32,810 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:32,811 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:32,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-25 21:47:33,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-25 21:47:33,025 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:33,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:33,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1415119139, now seen corresponding path program 1 times [2021-08-25 21:47:33,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:33,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630282413] [2021-08-25 21:47:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:33,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-08-25 21:47:33,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:33,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630282413] [2021-08-25 21:47:33,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630282413] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:33,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:33,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:33,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375763543] [2021-08-25 21:47:33,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:33,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:33,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:33,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:33,103 INFO L87 Difference]: Start difference. First operand 17788 states and 20331 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 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) [2021-08-25 21:47:33,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:33,746 INFO L93 Difference]: Finished difference Result 33137 states and 37923 transitions. [2021-08-25 21:47:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:33,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 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 304 [2021-08-25 21:47:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:33,765 INFO L225 Difference]: With dead ends: 33137 [2021-08-25 21:47:33,766 INFO L226 Difference]: Without dead ends: 15351 [2021-08-25 21:47:33,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:33,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15351 states. [2021-08-25 21:47:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15351 to 10741. [2021-08-25 21:47:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10741 states, 10740 states have (on average 1.116294227188082) internal successors, (11989), 10740 states have internal predecessors, (11989), 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) [2021-08-25 21:47:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10741 states to 10741 states and 11989 transitions. [2021-08-25 21:47:33,897 INFO L78 Accepts]: Start accepts. Automaton has 10741 states and 11989 transitions. Word has length 304 [2021-08-25 21:47:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:33,898 INFO L470 AbstractCegarLoop]: Abstraction has 10741 states and 11989 transitions. [2021-08-25 21:47:33,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 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) [2021-08-25 21:47:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 10741 states and 11989 transitions. [2021-08-25 21:47:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-08-25 21:47:33,905 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:33,905 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:33,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 21:47:33,906 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:33,906 INFO L82 PathProgramCache]: Analyzing trace with hash 63979177, now seen corresponding path program 1 times [2021-08-25 21:47:33,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:33,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838076153] [2021-08-25 21:47:33,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:33,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-08-25 21:47:33,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:33,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838076153] [2021-08-25 21:47:33,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838076153] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:33,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:33,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:33,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712433390] [2021-08-25 21:47:33,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:33,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:33,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:33,988 INFO L87 Difference]: Start difference. First operand 10741 states and 11989 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-08-25 21:47:34,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:34,551 INFO L93 Difference]: Finished difference Result 23503 states and 26240 transitions. [2021-08-25 21:47:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:34,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 [2021-08-25 21:47:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:34,569 INFO L225 Difference]: With dead ends: 23503 [2021-08-25 21:47:34,569 INFO L226 Difference]: Without dead ends: 12764 [2021-08-25 21:47:34,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2021-08-25 21:47:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10924. [2021-08-25 21:47:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 10923 states have (on average 1.1170008239494644) internal successors, (12201), 10923 states have internal predecessors, (12201), 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) [2021-08-25 21:47:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 12201 transitions. [2021-08-25 21:47:34,716 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 12201 transitions. Word has length 312 [2021-08-25 21:47:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:34,716 INFO L470 AbstractCegarLoop]: Abstraction has 10924 states and 12201 transitions. [2021-08-25 21:47:34,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-08-25 21:47:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 12201 transitions. [2021-08-25 21:47:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-08-25 21:47:34,722 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:34,722 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:34,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 21:47:34,722 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:34,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:34,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1564114315, now seen corresponding path program 1 times [2021-08-25 21:47:34,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:34,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144028659] [2021-08-25 21:47:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:34,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:47:34,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:34,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144028659] [2021-08-25 21:47:34,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144028659] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:34,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:34,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:34,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4807031] [2021-08-25 21:47:34,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:34,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:34,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:34,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:34,823 INFO L87 Difference]: Start difference. First operand 10924 states and 12201 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2021-08-25 21:47:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:35,859 INFO L93 Difference]: Finished difference Result 27404 states and 30590 transitions. [2021-08-25 21:47:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:35,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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 316 [2021-08-25 21:47:35,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:35,875 INFO L225 Difference]: With dead ends: 27404 [2021-08-25 21:47:35,875 INFO L226 Difference]: Without dead ends: 15741 [2021-08-25 21:47:35,883 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:35,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15741 states. [2021-08-25 21:47:36,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15741 to 12413. [2021-08-25 21:47:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.117386400257815) internal successors, (13869), 12412 states have internal predecessors, (13869), 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) [2021-08-25 21:47:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13869 transitions. [2021-08-25 21:47:36,067 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13869 transitions. Word has length 316 [2021-08-25 21:47:36,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:36,068 INFO L470 AbstractCegarLoop]: Abstraction has 12413 states and 13869 transitions. [2021-08-25 21:47:36,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2021-08-25 21:47:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13869 transitions. [2021-08-25 21:47:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-08-25 21:47:36,073 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:36,073 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:36,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 21:47:36,074 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1085023565, now seen corresponding path program 1 times [2021-08-25 21:47:36,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:36,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849449923] [2021-08-25 21:47:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:36,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 174 proven. 128 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:47:36,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:36,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849449923] [2021-08-25 21:47:36,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849449923] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:47:36,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616025014] [2021-08-25 21:47:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:36,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:36,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:36,233 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) [2021-08-25 21:47:36,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 21:47:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:36,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:47:36,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:47:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:47:37,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616025014] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:37,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:47:37,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-25 21:47:37,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593966237] [2021-08-25 21:47:37,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:37,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:37,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:37,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:47:37,628 INFO L87 Difference]: Start difference. First operand 12413 states and 13869 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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) [2021-08-25 21:47:38,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:38,456 INFO L93 Difference]: Finished difference Result 25010 states and 27928 transitions. [2021-08-25 21:47:38,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:38,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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 332 [2021-08-25 21:47:38,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:38,465 INFO L225 Difference]: With dead ends: 25010 [2021-08-25 21:47:38,466 INFO L226 Difference]: Without dead ends: 12599 [2021-08-25 21:47:38,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 29.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-25 21:47:38,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12599 states. [2021-08-25 21:47:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12599 to 12413. [2021-08-25 21:47:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.116419593941347) internal successors, (13857), 12412 states have internal predecessors, (13857), 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) [2021-08-25 21:47:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13857 transitions. [2021-08-25 21:47:38,643 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13857 transitions. Word has length 332 [2021-08-25 21:47:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:38,643 INFO L470 AbstractCegarLoop]: Abstraction has 12413 states and 13857 transitions. [2021-08-25 21:47:38,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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) [2021-08-25 21:47:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13857 transitions. [2021-08-25 21:47:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-08-25 21:47:38,650 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:38,650 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:38,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 21:47:38,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:38,865 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:38,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:38,865 INFO L82 PathProgramCache]: Analyzing trace with hash 474538808, now seen corresponding path program 1 times [2021-08-25 21:47:38,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:38,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168256729] [2021-08-25 21:47:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:38,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:47:38,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:38,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168256729] [2021-08-25 21:47:38,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168256729] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:38,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:38,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:38,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159988344] [2021-08-25 21:47:38,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:38,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:38,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:38,990 INFO L87 Difference]: Start difference. First operand 12413 states and 13857 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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) [2021-08-25 21:47:40,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:40,108 INFO L93 Difference]: Finished difference Result 29071 states and 32393 transitions. [2021-08-25 21:47:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:40,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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 354 [2021-08-25 21:47:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:40,121 INFO L225 Difference]: With dead ends: 29071 [2021-08-25 21:47:40,122 INFO L226 Difference]: Without dead ends: 16103 [2021-08-25 21:47:40,129 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:40,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16103 states. [2021-08-25 21:47:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16103 to 10550. [2021-08-25 21:47:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10550 states, 10549 states have (on average 1.1117641482604985) internal successors, (11728), 10549 states have internal predecessors, (11728), 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) [2021-08-25 21:47:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10550 states to 10550 states and 11728 transitions. [2021-08-25 21:47:40,213 INFO L78 Accepts]: Start accepts. Automaton has 10550 states and 11728 transitions. Word has length 354 [2021-08-25 21:47:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:40,213 INFO L470 AbstractCegarLoop]: Abstraction has 10550 states and 11728 transitions. [2021-08-25 21:47:40,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 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) [2021-08-25 21:47:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 10550 states and 11728 transitions. [2021-08-25 21:47:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-08-25 21:47:40,219 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:40,219 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:40,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 21:47:40,219 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:40,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:40,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1672122884, now seen corresponding path program 1 times [2021-08-25 21:47:40,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:40,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928239193] [2021-08-25 21:47:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:40,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-08-25 21:47:40,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:40,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928239193] [2021-08-25 21:47:40,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928239193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:40,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:40,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:40,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111479477] [2021-08-25 21:47:40,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:40,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:40,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:40,305 INFO L87 Difference]: Start difference. First operand 10550 states and 11728 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2021-08-25 21:47:41,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:41,199 INFO L93 Difference]: Finished difference Result 23312 states and 25815 transitions. [2021-08-25 21:47:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:41,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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 367 [2021-08-25 21:47:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:41,211 INFO L225 Difference]: With dead ends: 23312 [2021-08-25 21:47:41,211 INFO L226 Difference]: Without dead ends: 12764 [2021-08-25 21:47:41,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2021-08-25 21:47:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10177. [2021-08-25 21:47:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10176 states have (on average 1.1077044025157232) internal successors, (11272), 10176 states have internal predecessors, (11272), 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) [2021-08-25 21:47:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 11272 transitions. [2021-08-25 21:47:41,303 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 11272 transitions. Word has length 367 [2021-08-25 21:47:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:41,303 INFO L470 AbstractCegarLoop]: Abstraction has 10177 states and 11272 transitions. [2021-08-25 21:47:41,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 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) [2021-08-25 21:47:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 11272 transitions. [2021-08-25 21:47:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-08-25 21:47:41,311 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:41,311 INFO L512 BasicCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:41,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 21:47:41,312 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:41,312 INFO L82 PathProgramCache]: Analyzing trace with hash 555394427, now seen corresponding path program 1 times [2021-08-25 21:47:41,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:41,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973689892] [2021-08-25 21:47:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:41,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-08-25 21:47:41,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:41,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973689892] [2021-08-25 21:47:41,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973689892] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:41,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:41,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:41,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791961695] [2021-08-25 21:47:41,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:41,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:41,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:41,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:41,429 INFO L87 Difference]: Start difference. First operand 10177 states and 11272 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2021-08-25 21:47:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:42,387 INFO L93 Difference]: Finished difference Result 27179 states and 30081 transitions. [2021-08-25 21:47:42,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:42,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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 402 [2021-08-25 21:47:42,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:42,403 INFO L225 Difference]: With dead ends: 27179 [2021-08-25 21:47:42,404 INFO L226 Difference]: Without dead ends: 17004 [2021-08-25 21:47:42,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:42,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2021-08-25 21:47:42,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15891. [2021-08-25 21:47:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15891 states, 15890 states have (on average 1.1056639395846444) internal successors, (17569), 15890 states have internal predecessors, (17569), 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) [2021-08-25 21:47:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15891 states to 15891 states and 17569 transitions. [2021-08-25 21:47:42,542 INFO L78 Accepts]: Start accepts. Automaton has 15891 states and 17569 transitions. Word has length 402 [2021-08-25 21:47:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:42,542 INFO L470 AbstractCegarLoop]: Abstraction has 15891 states and 17569 transitions. [2021-08-25 21:47:42,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2021-08-25 21:47:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 15891 states and 17569 transitions. [2021-08-25 21:47:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-08-25 21:47:42,558 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:42,558 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:42,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 21:47:42,559 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:42,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1873288126, now seen corresponding path program 1 times [2021-08-25 21:47:42,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:42,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186524469] [2021-08-25 21:47:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:42,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 675 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-08-25 21:47:42,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:42,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186524469] [2021-08-25 21:47:42,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186524469] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:42,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:42,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:42,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693197280] [2021-08-25 21:47:42,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:42,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:42,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:42,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:42,669 INFO L87 Difference]: Start difference. First operand 15891 states and 17569 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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) [2021-08-25 21:47:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:43,601 INFO L93 Difference]: Finished difference Result 30497 states and 33716 transitions. [2021-08-25 21:47:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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 547 [2021-08-25 21:47:43,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:43,615 INFO L225 Difference]: With dead ends: 30497 [2021-08-25 21:47:43,615 INFO L226 Difference]: Without dead ends: 17004 [2021-08-25 21:47:43,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2021-08-25 21:47:43,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15707. [2021-08-25 21:47:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15707 states, 15706 states have (on average 1.1050553928434994) internal successors, (17356), 15706 states have internal predecessors, (17356), 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) [2021-08-25 21:47:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15707 states to 15707 states and 17356 transitions. [2021-08-25 21:47:43,776 INFO L78 Accepts]: Start accepts. Automaton has 15707 states and 17356 transitions. Word has length 547 [2021-08-25 21:47:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:43,777 INFO L470 AbstractCegarLoop]: Abstraction has 15707 states and 17356 transitions. [2021-08-25 21:47:43,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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) [2021-08-25 21:47:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand 15707 states and 17356 transitions. [2021-08-25 21:47:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2021-08-25 21:47:43,791 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:43,791 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-08-25 21:47:43,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 21:47:43,791 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:43,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:43,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1519719464, now seen corresponding path program 1 times [2021-08-25 21:47:43,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:43,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990633375] [2021-08-25 21:47:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:43,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2021-08-25 21:47:43,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:43,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990633375] [2021-08-25 21:47:43,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990633375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:43,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:43,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:43,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924152926] [2021-08-25 21:47:43,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:43,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:43,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:43,914 INFO L87 Difference]: Start difference. First operand 15707 states and 17356 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-08-25 21:47:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:44,541 INFO L93 Difference]: Finished difference Result 29218 states and 32305 transitions. [2021-08-25 21:47:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:44,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 561 [2021-08-25 21:47:44,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:44,560 INFO L225 Difference]: With dead ends: 29218 [2021-08-25 21:47:44,560 INFO L226 Difference]: Without dead ends: 15725 [2021-08-25 21:47:44,568 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15725 states. [2021-08-25 21:47:44,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15725 to 15339. [2021-08-25 21:47:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15339 states, 15338 states have (on average 1.0973399400182553) internal successors, (16831), 15338 states have internal predecessors, (16831), 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) [2021-08-25 21:47:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15339 states to 15339 states and 16831 transitions. [2021-08-25 21:47:44,723 INFO L78 Accepts]: Start accepts. Automaton has 15339 states and 16831 transitions. Word has length 561 [2021-08-25 21:47:44,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:44,723 INFO L470 AbstractCegarLoop]: Abstraction has 15339 states and 16831 transitions. [2021-08-25 21:47:44,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-08-25 21:47:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 15339 states and 16831 transitions. [2021-08-25 21:47:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2021-08-25 21:47:44,736 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:44,736 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-08-25 21:47:44,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 21:47:44,737 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:44,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:44,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1808687197, now seen corresponding path program 1 times [2021-08-25 21:47:44,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:44,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008859106] [2021-08-25 21:47:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:44,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2021-08-25 21:47:44,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:44,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008859106] [2021-08-25 21:47:44,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008859106] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:44,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:44,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:44,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329668036] [2021-08-25 21:47:44,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:44,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:44,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:44,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:44,865 INFO L87 Difference]: Start difference. First operand 15339 states and 16831 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2021-08-25 21:47:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:45,456 INFO L93 Difference]: Finished difference Result 31775 states and 34829 transitions. [2021-08-25 21:47:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:45,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 562 [2021-08-25 21:47:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:45,457 INFO L225 Difference]: With dead ends: 31775 [2021-08-25 21:47:45,457 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:47:45,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:47:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:47:45,467 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) [2021-08-25 21:47:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:47:45,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 562 [2021-08-25 21:47:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:45,468 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:47:45,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2021-08-25 21:47:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:47:45,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:47:45,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:47:45,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 21:47:45,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:47:45,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:45,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:46,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:48,207 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:47:48,208 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,209 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,210 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,211 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse12 (= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse14 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse1 (= ~a4~0 1)) (.cse13 (<= ~a29~0 275)) (.cse9 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= 312 ~a23~0) .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse1) (and .cse3 .cse5 .cse2) (and .cse7 .cse6 .cse1) (and .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse12 .cse2) (and .cse13 .cse4 .cse9) (and .cse7 .cse9 (<= (+ 35913 ~a29~0) 0) .cse14) (and .cse13 .cse1 .cse12) (and .cse3 .cse9 .cse6 .cse11) (and .cse6 (< 306 ~a23~0) .cse1 .cse12) (and .cse3 .cse9 .cse5 .cse6) (and .cse8 .cse9 .cse10 .cse12) (and .cse4 .cse6 .cse1) (and .cse5 .cse1 .cse14) (and .cse4 .cse9 .cse6 .cse14) (and .cse7 .cse3 .cse13 .cse9) (and (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse13 .cse0 .cse10 .cse1) (and .cse3 .cse0 .cse1)) .cse6) (and .cse6 .cse11 .cse1) (and .cse13 .cse9 .cse5 .cse10))) [2021-08-25 21:47:48,211 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:47:48,212 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:47:48,213 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:47:48,214 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse12 (= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse14 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse1 (= ~a4~0 1)) (.cse13 (<= ~a29~0 275)) (.cse9 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= 312 ~a23~0) .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse1) (and .cse3 .cse5 .cse2) (and .cse7 .cse6 .cse1) (and .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse12 .cse2) (and .cse13 .cse4 .cse9) (and .cse7 .cse9 (<= (+ 35913 ~a29~0) 0) .cse14) (and .cse13 .cse1 .cse12) (and .cse3 .cse9 .cse6 .cse11) (and .cse6 (< 306 ~a23~0) .cse1 .cse12) (and .cse3 .cse9 .cse5 .cse6) (and .cse8 .cse9 .cse10 .cse12) (and .cse4 .cse6 .cse1) (and .cse5 .cse1 .cse14) (and .cse4 .cse9 .cse6 .cse14) (and .cse7 .cse3 .cse13 .cse9) (and (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse13 .cse0 .cse10 .cse1) (and .cse3 .cse0 .cse1)) .cse6) (and .cse6 .cse11 .cse1) (and .cse13 .cse9 .cse5 .cse10))) [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,215 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,216 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:47:48,217 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:47:48,218 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,219 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:47:48,220 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:47:48,221 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,222 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,223 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,224 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,225 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:47:48,226 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:47:48,227 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:47:48,228 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,229 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,230 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:48,231 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,232 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,232 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,232 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,232 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,233 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,233 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,233 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,234 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,235 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:47:48,236 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:47:48,239 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:47:48,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:47:48 BoogieIcfgContainer [2021-08-25 21:47:48,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:47:48,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:47:48,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:47:48,270 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:47:48,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:47:17" (3/4) ... [2021-08-25 21:47:48,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:47:48,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:47:48,296 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:47:48,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:48,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:48,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:47:48,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:47:48,398 INFO L168 Benchmark]: Toolchain (without parser) took 33527.25 ms. Allocated memory was 56.6 MB in the beginning and 2.0 GB in the end (delta: 2.0 GB). Free memory was 31.7 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 776.3 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,398 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:47:48,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.30 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.5 MB in the beginning and 45.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.08 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 57.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,400 INFO L168 Benchmark]: Boogie Preprocessor took 74.76 ms. Allocated memory is still 90.2 MB. Free memory was 57.0 MB in the beginning and 47.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,400 INFO L168 Benchmark]: RCFGBuilder took 1348.75 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 47.8 MB in the beginning and 78.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,400 INFO L168 Benchmark]: TraceAbstraction took 31187.30 ms. Allocated memory was 144.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.8 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,400 INFO L168 Benchmark]: Witness Printer took 127.07 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:48,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.30 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.5 MB in the beginning and 45.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.08 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 57.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.76 ms. Allocated memory is still 90.2 MB. Free memory was 57.0 MB in the beginning and 47.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1348.75 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 47.8 MB in the beginning and 78.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31187.30 ms. Allocated memory was 144.7 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.8 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 127.07 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 151]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31111.5ms, OverallIterations: 23, TraceHistogramMax: 6, EmptinessCheckTime: 139.3ms, AutomataDifference: 19102.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2736.7ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4312 SDtfs, 4323 SDslu, 672 SDs, 0 SdLazy, 17243 SolverSat, 2178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13525.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 112.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17789occurred in iteration=11, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2561.2ms AutomataMinimizationTime, 23 MinimizatonAttempts, 24702 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 203 NumberOfFragments, 575 HoareAnnotationTreeSize, 3 FomulaSimplifications, 81744 FormulaSimplificationTreeSizeReduction, 556.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 61986 FormulaSimplificationTreeSizeReductionInter, 2170.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 246.4ms SsaConstructionTime, 707.1ms SatisfiabilityAnalysisTime, 4168.2ms InterpolantComputationTime, 7510 NumberOfCodeBlocks, 7510 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7484 ConstructedInterpolants, 0 QuantifiedInterpolants, 23061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1272 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 7701/7924 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 9)) || ((a4 == 0 && a25 == 10) && a29 <= 130)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a29 <= 275 && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a29 <= 599999 && 306 < a23) && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 10)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || (((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) && a29 <= 599999)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 9)) || ((a4 == 0 && a25 == 10) && a29 <= 130)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a29 <= 275 && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a29 <= 599999 && 306 < a23) && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 10)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || (((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) && a29 <= 599999)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:47:48,434 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...