./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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/nla-digbench-scaling/cohendiv-ll_valuebound1.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 0319027e70a0d2daf010f688863825be9b20c732 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 04:47:22,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 04:47:22,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 04:47:22,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 04:47:22,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 04:47:22,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 04:47:22,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 04:47:22,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 04:47:22,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 04:47:22,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 04:47:22,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 04:47:22,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 04:47:22,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 04:47:22,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 04:47:22,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 04:47:22,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 04:47:22,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 04:47:22,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 04:47:22,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 04:47:22,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 04:47:22,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 04:47:22,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 04:47:22,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 04:47:22,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 04:47:22,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 04:47:22,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 04:47:22,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 04:47:22,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 04:47:22,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 04:47:22,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 04:47:22,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 04:47:22,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 04:47:22,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 04:47:22,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 04:47:22,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 04:47:22,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 04:47:22,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 04:47:22,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 04:47:22,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 04:47:22,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 04:47:22,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 04:47:22,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 04:47:23,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 04:47:23,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 04:47:23,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 04:47:23,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 04:47:23,013 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 04:47:23,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 04:47:23,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 04:47:23,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 04:47:23,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 04:47:23,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 04:47:23,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 04:47:23,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 04:47:23,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 04:47:23,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 04:47:23,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 04:47:23,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 04:47:23,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 04:47:23,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 04:47:23,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 04:47:23,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 04:47:23,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 04:47:23,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 04:47:23,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 04:47:23,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 04:47:23,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 04:47:23,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 04:47:23,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 04:47:23,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 04:47:23,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0319027e70a0d2daf010f688863825be9b20c732 [2021-07-05 04:47:23,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 04:47:23,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 04:47:23,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 04:47:23,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 04:47:23,282 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 04:47:23,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2021-07-05 04:47:23,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576574568/ca35bd16e8e94f02bf4c5db0bd6e8d2f/FLAGfb6937202 [2021-07-05 04:47:23,709 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 04:47:23,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2021-07-05 04:47:23,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576574568/ca35bd16e8e94f02bf4c5db0bd6e8d2f/FLAGfb6937202 [2021-07-05 04:47:23,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576574568/ca35bd16e8e94f02bf4c5db0bd6e8d2f [2021-07-05 04:47:23,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 04:47:23,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 04:47:23,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 04:47:23,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 04:47:23,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 04:47:23,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f031bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23, skipping insertion in model container [2021-07-05 04:47:23,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 04:47:23,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 04:47:23,852 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2021-07-05 04:47:23,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 04:47:23,869 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 04:47:23,898 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2021-07-05 04:47:23,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 04:47:23,914 INFO L208 MainTranslator]: Completed translation [2021-07-05 04:47:23,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23 WrapperNode [2021-07-05 04:47:23,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 04:47:23,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 04:47:23,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 04:47:23,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 04:47:23,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 04:47:23,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 04:47:23,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 04:47:23,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 04:47:23,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 04:47:23,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 04:47:23,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 04:47:23,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 04:47:23,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (1/1) ... [2021-07-05 04:47:23,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 04:47:23,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:23,981 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) [2021-07-05 04:47:24,005 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 [2021-07-05 04:47:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 04:47:24,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 04:47:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 04:47:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 04:47:24,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 04:47:24,302 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-07-05 04:47:24,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:47:24 BoogieIcfgContainer [2021-07-05 04:47:24,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 04:47:24,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 04:47:24,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 04:47:24,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 04:47:24,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 04:47:23" (1/3) ... [2021-07-05 04:47:24,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5861e446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:47:24, skipping insertion in model container [2021-07-05 04:47:24,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 04:47:23" (2/3) ... [2021-07-05 04:47:24,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5861e446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 04:47:24, skipping insertion in model container [2021-07-05 04:47:24,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:47:24" (3/3) ... [2021-07-05 04:47:24,308 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound1.c [2021-07-05 04:47:24,313 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 04:47:24,314 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-07-05 04:47:24,361 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:24,368 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:24,369 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-05 04:47:24,384 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:24,384 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:24,385 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:24,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:24,389 INFO L82 PathProgramCache]: Analyzing trace with hash 330581779, now seen corresponding path program 1 times [2021-07-05 04:47:24,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:24,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252559095] [2021-07-05 04:47:24,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:24,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:24,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:24,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252559095] [2021-07-05 04:47:24,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252559095] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:24,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:24,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:24,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131559604] [2021-07-05 04:47:24,517 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:24,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:24,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:24,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:24,529 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-05 04:47:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:24,556 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:24,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-07-05 04:47:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:24,562 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:24,562 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:24,565 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:24,587 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 11 [2021-07-05 04:47:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:24,587 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:24,588 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-05 04:47:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-05 04:47:24,588 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:24,588 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:24,589 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 04:47:24,589 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:24,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:24,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1507472743, now seen corresponding path program 1 times [2021-07-05 04:47:24,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:24,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468635499] [2021-07-05 04:47:24,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:24,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:24,627 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:24,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776042465] [2021-07-05 04:47:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:24,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:24,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:24,630 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) [2021-07-05 04:47:24,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-05 04:47:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:24,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-05 04:47:24,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:24,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:24,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:24,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:24,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:24,743 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:24,746 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:24,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:24,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 04:47:24,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:24,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:24,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:24,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-05 04:47:24,830 INFO L147 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size 10 [2021-07-05 04:47:24,831 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-07-05 04:47:24,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:24,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:24,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:24,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:24,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:24,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:24,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:24,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 04:47:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:24,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:24,883 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:24,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:24,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:24,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:24,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468635499] [2021-07-05 04:47:24,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:24,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776042465] [2021-07-05 04:47:24,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776042465] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:24,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:24,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 04:47:24,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583793313] [2021-07-05 04:47:24,889 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 04:47:24,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:24,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 04:47:24,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-05 04:47:24,890 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-07-05 04:47:25,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:25,155 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2021-07-05 04:47:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 04:47:25,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 11 [2021-07-05 04:47:25,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:25,157 INFO L225 Difference]: With dead ends: 32 [2021-07-05 04:47:25,157 INFO L226 Difference]: Without dead ends: 30 [2021-07-05 04:47:25,158 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 283.3ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-07-05 04:47:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-07-05 04:47:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2021-07-05 04:47:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2021-07-05 04:47:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-07-05 04:47:25,162 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 11 [2021-07-05 04:47:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:25,162 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-07-05 04:47:25,163 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-07-05 04:47:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-07-05 04:47:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 04:47:25,163 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:25,164 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:25,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-07-05 04:47:25,375 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:25,375 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:25,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash 918026232, now seen corresponding path program 1 times [2021-07-05 04:47:25,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:25,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022425245] [2021-07-05 04:47:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:25,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:25,384 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:25,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654986097] [2021-07-05 04:47:25,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:25,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:25,386 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) [2021-07-05 04:47:25,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-07-05 04:47:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:25,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 04:47:25,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:25,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 04:47:25,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:25,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 04:47:25,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 04:47:25,518 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-05 04:47:25,519 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-07-05 04:47:25,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-05 04:47:25,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 04:47:25,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 04:47:25,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:25,571 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:25,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:25,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022425245] [2021-07-05 04:47:25,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:25,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654986097] [2021-07-05 04:47:25,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654986097] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:25,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:25,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 04:47:25,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620708198] [2021-07-05 04:47:25,574 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 04:47:25,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:25,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 04:47:25,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 04:47:25,574 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-07-05 04:47:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:25,660 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-07-05 04:47:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 04:47:25,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-07-05 04:47:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:25,661 INFO L225 Difference]: With dead ends: 28 [2021-07-05 04:47:25,661 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:25,661 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 04:47:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:25,661 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) [2021-07-05 04:47:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:25,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-07-05 04:47:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:25,662 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:25,662 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-07-05 04:47:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:25,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:25,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:25,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:25,771 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,771 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:25,772 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,773 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,773 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,773 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,774 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,774 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,774 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,774 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,774 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,774 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,774 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,774 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,774 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,775 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,780 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,781 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,781 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,781 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:25,781 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:25,781 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:25,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-07-05 04:47:25,997 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-07-05 04:47:25,997 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:26,000 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/7) [2021-07-05 04:47:26,003 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:26,003 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:26,003 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 04:47:26,005 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:26,005 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:26,005 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:26,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:26,005 INFO L82 PathProgramCache]: Analyzing trace with hash -138334090, now seen corresponding path program 1 times [2021-07-05 04:47:26,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:26,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295740142] [2021-07-05 04:47:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:26,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:26,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:26,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295740142] [2021-07-05 04:47:26,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295740142] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:26,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:26,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:26,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812599047] [2021-07-05 04:47:26,032 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:26,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:26,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:26,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:26,033 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-07-05 04:47:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:26,041 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:26,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-07-05 04:47:26,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:26,042 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:26,043 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:26,043 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:26,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:26,047 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 13 [2021-07-05 04:47:26,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:26,048 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:26,048 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-07-05 04:47:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 04:47:26,049 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:26,049 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:26,049 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-05 04:47:26,049 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:26,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:26,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1277171076, now seen corresponding path program 1 times [2021-07-05 04:47:26,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:26,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378159841] [2021-07-05 04:47:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:26,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:26,061 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:26,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053223491] [2021-07-05 04:47:26,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:26,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:26,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:26,067 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) [2021-07-05 04:47:26,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-07-05 04:47:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:26,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-05 04:47:26,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:26,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:26,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:26,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:26,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:26,142 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:26,143 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:26,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:26,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 04:47:26,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:26,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-05 04:47:26,188 INFO L147 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size 10 [2021-07-05 04:47:26,189 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-07-05 04:47:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 04:47:26,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 04:47:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:26,240 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:26,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:26,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:26,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378159841] [2021-07-05 04:47:26,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:26,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053223491] [2021-07-05 04:47:26,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053223491] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:26,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:26,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 04:47:26,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817878250] [2021-07-05 04:47:26,242 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 04:47:26,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:26,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 04:47:26,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-05 04:47:26,243 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2021-07-05 04:47:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:26,495 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-07-05 04:47:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 04:47:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 13 [2021-07-05 04:47:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:26,496 INFO L225 Difference]: With dead ends: 43 [2021-07-05 04:47:26,496 INFO L226 Difference]: Without dead ends: 41 [2021-07-05 04:47:26,497 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 223.2ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-07-05 04:47:26,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-07-05 04:47:26,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2021-07-05 04:47:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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) [2021-07-05 04:47:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-07-05 04:47:26,501 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 13 [2021-07-05 04:47:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:26,501 INFO L442 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-07-05 04:47:26,501 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2021-07-05 04:47:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-07-05 04:47:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 04:47:26,502 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:26,502 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:26,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:26,716 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:26,718 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:26,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:26,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1755069467, now seen corresponding path program 1 times [2021-07-05 04:47:26,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:26,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588511460] [2021-07-05 04:47:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:26,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:26,728 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:26,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093745368] [2021-07-05 04:47:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:26,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:26,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:26,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-07-05 04:47:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:26,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-05 04:47:26,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:26,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:26,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:26,796 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:26,797 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:26,798 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:26,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 04:47:26,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 04:47:26,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 04:47:26,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 04:47:26,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 04:47:26,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:26,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:26,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 04:47:26,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-05 04:47:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 04:47:26,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 04:47:27,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-05 04:47:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 04:47:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 04:47:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 04:47:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 04:47:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 04:47:27,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 04:47:27,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,044 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 04:47:27,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:27,046 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size [2021-07-05 04:47:27,050 INFO L147 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size 23 [2021-07-05 04:47:27,055 INFO L147 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size 23 [2021-07-05 04:47:27,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,057 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-07-05 04:47:27,057 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 04:47:27,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:27,059 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:27,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,063 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 04:47:27,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:27,064 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-05 04:47:27,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-05 04:47:27,071 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 04:47:27,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:27,072 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,073 INFO L142 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-07-05 04:47:27,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,083 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:27,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:27,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:27,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588511460] [2021-07-05 04:47:27,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:27,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093745368] [2021-07-05 04:47:27,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093745368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 04:47:27,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 04:47:27,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-07-05 04:47:27,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088152262] [2021-07-05 04:47:27,086 INFO L425 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-05 04:47:27,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:27,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-05 04:47:27,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-07-05 04:47:27,087 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2021-07-05 04:47:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:27,385 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2021-07-05 04:47:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-05 04:47:27,387 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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 26 [2021-07-05 04:47:27,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:27,388 INFO L225 Difference]: With dead ends: 72 [2021-07-05 04:47:27,388 INFO L226 Difference]: Without dead ends: 49 [2021-07-05 04:47:27,388 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 270.2ms TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-07-05 04:47:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-07-05 04:47:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2021-07-05 04:47:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 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) [2021-07-05 04:47:27,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2021-07-05 04:47:27,393 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 26 [2021-07-05 04:47:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:27,393 INFO L442 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2021-07-05 04:47:27,393 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2021-07-05 04:47:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-07-05 04:47:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-05 04:47:27,394 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:27,394 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-05 04:47:27,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:27,608 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-05 04:47:27,609 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:27,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:27,609 INFO L82 PathProgramCache]: Analyzing trace with hash -797667638, now seen corresponding path program 1 times [2021-07-05 04:47:27,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:27,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822774398] [2021-07-05 04:47:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:27,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:27,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:27,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218819941] [2021-07-05 04:47:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:27,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:27,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:27,637 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:27,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-07-05 04:47:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:27,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 04:47:27,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:27,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:27,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:27,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:27,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:27,777 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:27,778 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:27,779 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:27,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:27,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 04:47:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:27,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 04:47:27,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 04:47:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 04:47:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:27,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 04:47:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 04:47:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 04:47:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:27,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:27,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:27,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822774398] [2021-07-05 04:47:27,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:27,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218819941] [2021-07-05 04:47:27,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218819941] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:27,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:27,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-05 04:47:27,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981270964] [2021-07-05 04:47:27,962 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 04:47:27,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:27,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 04:47:27,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-05 04:47:27,963 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-07-05 04:47:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:28,064 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-07-05 04:47:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 04:47:28,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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 35 [2021-07-05 04:47:28,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:28,073 INFO L225 Difference]: With dead ends: 48 [2021-07-05 04:47:28,073 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:28,073 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 84.8ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-05 04:47:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:28,074 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) [2021-07-05 04:47:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:28,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-07-05 04:47:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:28,074 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:28,074 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 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) [2021-07-05 04:47:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:28,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:28,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:28,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~r~0 1) (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse1 .cse2)) [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,690 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (let ((.cse1 (<= ULTIMATE.start_main_~r~0 1))) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 (<= ULTIMATE.start_main_~x~0 1) (<= 0 ULTIMATE.start_main_~x~0) .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse3 .cse2))) .cse0 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse3 .cse2)) [2021-07-05 04:47:28,690 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~r~0 1) (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse2 .cse3)) [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse2 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (<= ULTIMATE.start_main_~y~0 1)) (.cse1 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse0 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse1 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~r~0 1) (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse0 .cse1)) .cse2 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse0 .cse1)) [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (let ((.cse1 (<= ULTIMATE.start_main_~r~0 1))) (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 (<= ULTIMATE.start_main_~x~0 1) (<= 0 ULTIMATE.start_main_~x~0) .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse3 .cse2))) .cse3 .cse2)) [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (let ((.cse1 (<= ULTIMATE.start_main_~r~0 1))) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 (<= ULTIMATE.start_main_~x~0 1) (<= 0 ULTIMATE.start_main_~x~0) .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse3 .cse2))) .cse0 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse3 .cse2)) [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (let ((.cse1 (<= ULTIMATE.start_main_~r~0 1))) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 (<= ULTIMATE.start_main_~x~0 1) (<= 0 ULTIMATE.start_main_~x~0) .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse3 .cse2))) .cse0 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse3 .cse2)) [2021-07-05 04:47:28,691 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (<= (* 2 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~r~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~r~0 1) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1)) [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:28,691 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:28,691 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:28,692 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:28,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-07-05 04:47:28,899 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:28,899 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:28,899 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/7) [2021-07-05 04:47:28,901 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:28,901 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:28,901 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 04:47:28,902 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:28,902 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:28,902 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:28,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:28,902 INFO L82 PathProgramCache]: Analyzing trace with hash 2062711114, now seen corresponding path program 1 times [2021-07-05 04:47:28,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:28,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021905652] [2021-07-05 04:47:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:28,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:28,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:28,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021905652] [2021-07-05 04:47:28,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021905652] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:28,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:28,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:28,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864898322] [2021-07-05 04:47:28,914 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:28,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:28,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:28,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:28,915 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-07-05 04:47:28,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:28,916 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:28,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:28,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-07-05 04:47:28,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:28,916 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:28,916 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:28,916 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:28,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:28,918 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2021-07-05 04:47:28,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:28,918 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:28,918 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-07-05 04:47:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 04:47:28,918 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:28,918 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:28,918 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-07-05 04:47:28,918 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:28,919 INFO L82 PathProgramCache]: Analyzing trace with hash 916732292, now seen corresponding path program 1 times [2021-07-05 04:47:28,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:28,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647377664] [2021-07-05 04:47:28,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:28,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:28,923 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:28,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437883529] [2021-07-05 04:47:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:28,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:28,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:28,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:28,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-07-05 04:47:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:29,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-05 04:47:29,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:29,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:29,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:29,059 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:29,060 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:29,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 04:47:29,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:29,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:29,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:29,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-05 04:47:29,087 INFO L147 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size 10 [2021-07-05 04:47:29,087 INFO L142 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-07-05 04:47:29,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 04:47:29,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 04:47:29,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:29,136 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:29,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:29,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:29,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647377664] [2021-07-05 04:47:29,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:29,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437883529] [2021-07-05 04:47:29,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437883529] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:29,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:29,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 04:47:29,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141866043] [2021-07-05 04:47:29,139 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 04:47:29,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:29,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 04:47:29,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-05 04:47:29,140 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-07-05 04:47:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:29,361 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-07-05 04:47:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-05 04:47:29,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 16 [2021-07-05 04:47:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:29,364 INFO L225 Difference]: With dead ends: 43 [2021-07-05 04:47:29,365 INFO L226 Difference]: Without dead ends: 41 [2021-07-05 04:47:29,365 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 214.1ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-07-05 04:47:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-07-05 04:47:29,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 27. [2021-07-05 04:47:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2021-07-05 04:47:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-07-05 04:47:29,367 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2021-07-05 04:47:29,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:29,368 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-07-05 04:47:29,368 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-07-05 04:47:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-07-05 04:47:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 04:47:29,368 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:29,368 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:29,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:29,572 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:29,573 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1552659725, now seen corresponding path program 1 times [2021-07-05 04:47:29,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:29,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396460314] [2021-07-05 04:47:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:29,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:29,590 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:29,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169364027] [2021-07-05 04:47:29,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:29,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:29,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:29,605 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:29,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-07-05 04:47:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:29,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-05 04:47:29,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:29,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:29,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:29,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:29,672 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:29,673 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:29,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:29,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 04:47:29,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:29,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:29,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:29,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-05 04:47:29,699 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-07-05 04:47:29,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-07-05 04:47:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:29,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:29,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:29,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:29,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:29,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:29,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:29,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:29,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396460314] [2021-07-05 04:47:29,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:29,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169364027] [2021-07-05 04:47:29,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169364027] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:29,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:29,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 04:47:29,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257705527] [2021-07-05 04:47:29,789 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 04:47:29,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:29,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 04:47:29,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-05 04:47:29,790 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-07-05 04:47:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:29,932 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2021-07-05 04:47:29,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-05 04:47:29,937 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 25 [2021-07-05 04:47:29,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:29,937 INFO L225 Difference]: With dead ends: 45 [2021-07-05 04:47:29,937 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:29,938 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 160.8ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-05 04:47:29,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:29,938 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) [2021-07-05 04:47:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:29,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-07-05 04:47:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:29,938 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:29,939 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-07-05 04:47:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:29,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:29,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:29,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:29,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,018 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,018 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,018 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (= ULTIMATE.start_main_~a~0 1)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse5 .cse1 .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6 .cse3)) [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse2 .cse3)) [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,019 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse2 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= 0 ULTIMATE.start_main_~x~0)) (.cse4 (<= ULTIMATE.start_main_~r~0 1)) (.cse0 (<= ULTIMATE.start_main_~y~0 1)) (.cse1 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse0 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse1 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse3 .cse4 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse0 .cse1)) .cse2 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse3 .cse4 .cse0 .cse1)) [2021-07-05 04:47:30,019 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse3 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse2 (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse3 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 .cse2 .cse3 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse4)) .cse3 .cse5 .cse4)) [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:30,020 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: false [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,020 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-07-05 04:47:30,221 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:30,221 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:30,221 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/7) [2021-07-05 04:47:30,222 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:30,222 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:30,222 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 04:47:30,223 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:30,224 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:30,224 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:30,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:30,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2009352883, now seen corresponding path program 1 times [2021-07-05 04:47:30,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:30,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402384559] [2021-07-05 04:47:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:30,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:30,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:30,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402384559] [2021-07-05 04:47:30,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402384559] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:30,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:30,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:30,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722860268] [2021-07-05 04:47:30,236 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:30,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:30,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:30,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:30,237 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-07-05 04:47:30,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:30,241 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:30,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-07-05 04:47:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:30,241 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:30,241 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:30,242 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:30,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:30,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:30,243 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 18 [2021-07-05 04:47:30,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:30,243 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:30,243 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-07-05 04:47:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 04:47:30,243 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:30,243 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:30,243 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-07-05 04:47:30,244 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:30,244 INFO L82 PathProgramCache]: Analyzing trace with hash 511594247, now seen corresponding path program 1 times [2021-07-05 04:47:30,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:30,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076064443] [2021-07-05 04:47:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:30,248 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:30,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104480143] [2021-07-05 04:47:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:30,252 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:30,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-07-05 04:47:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:30,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 04:47:30,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:30,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:30,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:30,336 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-05 04:47:30,337 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-07-05 04:47:30,337 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-07-05 04:47:30,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:30,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 04:47:30,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,376 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:30,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:30,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076064443] [2021-07-05 04:47:30,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:30,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104480143] [2021-07-05 04:47:30,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104480143] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:30,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:30,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 04:47:30,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403537850] [2021-07-05 04:47:30,378 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 04:47:30,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:30,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 04:47:30,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 04:47:30,379 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-07-05 04:47:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:30,428 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-07-05 04:47:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 04:47:30,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2021-07-05 04:47:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:30,428 INFO L225 Difference]: With dead ends: 30 [2021-07-05 04:47:30,428 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:30,429 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 04:47:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:30,429 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) [2021-07-05 04:47:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:30,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-07-05 04:47:30,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:30,429 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:30,429 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-07-05 04:47:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:30,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:30,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:30,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,451 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (= ULTIMATE.start_main_~a~0 1)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse1 .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6 .cse3)) [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse2 .cse3)) [2021-07-05 04:47:30,452 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,452 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and .cse0 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse2 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 .cse0 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse3 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse2 (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse3 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 .cse2 .cse3 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse4)) .cse3 .cse5 .cse4)) [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:30,453 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: false [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,453 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,454 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:30,660 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-07-05 04:47:30,661 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:30,661 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION was SAFE (4/7) [2021-07-05 04:47:30,662 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:30,662 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:30,662 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-05 04:47:30,664 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:30,664 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:30,664 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:30,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:30,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1747320304, now seen corresponding path program 1 times [2021-07-05 04:47:30,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:30,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617943459] [2021-07-05 04:47:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:30,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:30,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:30,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617943459] [2021-07-05 04:47:30,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617943459] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:30,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:30,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:30,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695626474] [2021-07-05 04:47:30,680 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:30,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:30,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:30,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:30,681 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-07-05 04:47:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:30,682 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2021-07-05 04:47:30,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:30,683 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:30,683 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:30,683 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:30,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:30,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:30,685 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 20 [2021-07-05 04:47:30,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:30,685 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:30,685 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-07-05 04:47:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-05 04:47:30,685 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:30,685 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:30,686 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-07-05 04:47:30,686 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:30,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:30,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2015957290, now seen corresponding path program 1 times [2021-07-05 04:47:30,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:30,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080271107] [2021-07-05 04:47:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:30,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:30,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540392323] [2021-07-05 04:47:30,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:30,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:30,702 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:30,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-07-05 04:47:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:30,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-05 04:47:30,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:30,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:30,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 04:47:30,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:30,757 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-07-05 04:47:30,758 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-07-05 04:47:30,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-07-05 04:47:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:30,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 04:47:30,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:30,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:30,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:30,789 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-07-05 04:47:30,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:30,795 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:30,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:30,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:30,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080271107] [2021-07-05 04:47:30,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:30,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540392323] [2021-07-05 04:47:30,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540392323] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:30,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:30,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-05 04:47:30,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300188551] [2021-07-05 04:47:30,798 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 04:47:30,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:30,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 04:47:30,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 04:47:30,798 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-07-05 04:47:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:30,882 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-07-05 04:47:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 04:47:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2021-07-05 04:47:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:30,883 INFO L225 Difference]: With dead ends: 26 [2021-07-05 04:47:30,883 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:30,883 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 69.3ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-07-05 04:47:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:30,884 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) [2021-07-05 04:47:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:30,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-07-05 04:47:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:30,884 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:30,884 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2021-07-05 04:47:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:30,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:30,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:30,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,928 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (= ULTIMATE.start_main_~a~0 1)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse1 .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6 .cse3)) [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,929 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse2 .cse3)) [2021-07-05 04:47:30,930 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,930 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and .cse0 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse2 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 .cse0 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:30,930 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,930 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse3 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse2 (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse3 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 .cse2 .cse3 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse4)) .cse3 .cse5 .cse4)) [2021-07-05 04:47:30,930 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,930 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,931 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse0 .cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse1 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse1 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse2 .cse6 .cse3)) [2021-07-05 04:47:30,931 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,931 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: false [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:30,931 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,931 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:30,932 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:30,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:31,133 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-07-05 04:47:31,133 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:31,133 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION was SAFE (5/7) [2021-07-05 04:47:31,135 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:31,135 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:31,135 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 04:47:31,137 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:31,137 INFO L525 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] [2021-07-05 04:47:31,137 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:31,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:31,137 INFO L82 PathProgramCache]: Analyzing trace with hash -157238601, now seen corresponding path program 1 times [2021-07-05 04:47:31,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:31,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068374529] [2021-07-05 04:47:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:31,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:31,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:31,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068374529] [2021-07-05 04:47:31,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068374529] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:31,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:31,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:31,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611157397] [2021-07-05 04:47:31,150 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:31,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:31,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:31,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:31,151 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-07-05 04:47:31,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:31,152 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:31,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2021-07-05 04:47:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:31,152 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:31,153 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 04:47:31,153 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:31,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 04:47:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-07-05 04:47:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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) [2021-07-05 04:47:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-07-05 04:47:31,155 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 22 [2021-07-05 04:47:31,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:31,155 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-07-05 04:47:31,155 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-07-05 04:47:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-07-05 04:47:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 04:47:31,156 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:31,156 INFO L525 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] [2021-07-05 04:47:31,156 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-05 04:47:31,156 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:31,156 INFO L82 PathProgramCache]: Analyzing trace with hash 304867185, now seen corresponding path program 1 times [2021-07-05 04:47:31,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:31,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405957262] [2021-07-05 04:47:31,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:31,162 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:31,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765031781] [2021-07-05 04:47:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:31,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:31,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:31,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-07-05 04:47:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:31,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-05 04:47:31,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:31,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:31,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:31,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:31,254 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-05 04:47:31,255 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-07-05 04:47:31,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-05 04:47:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 04:47:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:31,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-05 04:47:31,286 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-07-05 04:47:31,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-07-05 04:47:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:31,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:31,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 04:47:31,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 04:47:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:31,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:31,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:31,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:31,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:31,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 04:47:31,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:31,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:31,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405957262] [2021-07-05 04:47:31,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:31,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765031781] [2021-07-05 04:47:31,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765031781] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:31,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:31,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 04:47:31,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022790093] [2021-07-05 04:47:31,378 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 04:47:31,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:31,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 04:47:31,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-05 04:47:31,379 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-07-05 04:47:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:31,515 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2021-07-05 04:47:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-05 04:47:31,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 22 [2021-07-05 04:47:31,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:31,516 INFO L225 Difference]: With dead ends: 43 [2021-07-05 04:47:31,516 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:31,516 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 176.5ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-05 04:47:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:31,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:31,517 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) [2021-07-05 04:47:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:31,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-07-05 04:47:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:31,517 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:31,517 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-07-05 04:47:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:31,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:31,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:31,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (= ULTIMATE.start_main_~a~0 1)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse1 .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6 .cse3)) [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse2 .cse3)) [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and .cse0 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse2 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 .cse0 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse3 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse2 (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse3 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 .cse2 .cse3 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse4)) .cse3 .cse5 .cse4)) [2021-07-05 04:47:31,587 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,587 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse0 .cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse1 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse1 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse2 .cse6 .cse3)) [2021-07-05 04:47:31,588 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: false [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:31,588 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:31,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-07-05 04:47:31,788 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-07-05 04:47:31,789 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:31,789 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION was SAFE (6/7) [2021-07-05 04:47:31,790 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 04:47:31,790 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 04:47:31,790 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 04:47:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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) [2021-07-05 04:47:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-07-05 04:47:31,791 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:31,791 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:31,791 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:31,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:31,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1660839411, now seen corresponding path program 1 times [2021-07-05 04:47:31,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:31,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180976490] [2021-07-05 04:47:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:31,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:31,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:31,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180976490] [2021-07-05 04:47:31,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180976490] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:31,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:31,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 04:47:31,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639949644] [2021-07-05 04:47:31,803 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 04:47:31,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:31,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 04:47:31,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:31,804 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 42 states have internal predecessors, (58), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-07-05 04:47:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:31,805 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2021-07-05 04:47:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 04:47:31,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-07-05 04:47:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:31,805 INFO L225 Difference]: With dead ends: 83 [2021-07-05 04:47:31,805 INFO L226 Difference]: Without dead ends: 27 [2021-07-05 04:47:31,805 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 04:47:31,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-07-05 04:47:31,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-07-05 04:47:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 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) [2021-07-05 04:47:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-07-05 04:47:31,807 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 12 [2021-07-05 04:47:31,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:31,807 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-07-05 04:47:31,807 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-07-05 04:47:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-07-05 04:47:31,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 04:47:31,808 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 04:47:31,808 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 04:47:31,808 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-07-05 04:47:31,808 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 04:47:31,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 04:47:31,808 INFO L82 PathProgramCache]: Analyzing trace with hash 916728318, now seen corresponding path program 1 times [2021-07-05 04:47:31,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 04:47:31,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773761710] [2021-07-05 04:47:31,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 04:47:31,824 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 04:47:31,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108217389] [2021-07-05 04:47:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 04:47:31,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 04:47:31,841 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 04:47:31,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-07-05 04:47:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 04:47:31,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 04:47:31,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 04:47:31,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:31,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 04:47:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 04:47:31,940 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-05 04:47:31,941 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-07-05 04:47:31,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-07-05 04:47:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 04:47:31,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 04:47:31,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 04:47:31,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 04:47:31,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 04:47:31,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:31,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 04:47:31,966 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 04:47:31,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 04:47:31,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 04:47:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 04:47:31,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 04:47:31,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773761710] [2021-07-05 04:47:31,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 04:47:31,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108217389] [2021-07-05 04:47:31,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108217389] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 04:47:31,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 04:47:31,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 04:47:31,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369731897] [2021-07-05 04:47:31,969 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 04:47:31,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 04:47:31,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 04:47:31,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 04:47:31,969 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-05 04:47:32,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 04:47:32,021 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2021-07-05 04:47:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 04:47:32,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-07-05 04:47:32,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 04:47:32,022 INFO L225 Difference]: With dead ends: 32 [2021-07-05 04:47:32,022 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 04:47:32,023 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 04:47:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 04:47:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 04:47:32,023 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) [2021-07-05 04:47:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 04:47:32,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-07-05 04:47:32,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 04:47:32,023 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 04:47:32,023 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-05 04:47:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 04:47:32,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 04:47:32,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 04:47:32,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 04:47:32,040 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-07-05 04:47:32,041 INFO L762 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L758 garLoopResultBuilder]: At program point L38-2(lines 38 62) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (let ((.cse0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~b~0) (<= ULTIMATE.start_main_~y~0 .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2)) (and .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point L38-3(lines 38 62) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L758 garLoopResultBuilder]: At program point L47-2(lines 47 59) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (= ULTIMATE.start_main_~a~0 1)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse1 .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse6 .cse3)) [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point L47-3(lines 47 59) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,042 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse2 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse1 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse2 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse3 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse2 .cse3)) .cse1 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) .cse4 .cse5 .cse2 .cse3)) [2021-07-05 04:47:32,043 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,043 INFO L758 garLoopResultBuilder]: At program point L15-5(lines 42 43) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse5 (<= ULTIMATE.start_main_~r~0 1)) (.cse1 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and .cse0 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~r~0)) (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~a~0 1) .cse1 (< (* 2 ULTIMATE.start_main_~r~0) ULTIMATE.start_main_~x~0) .cse2 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0))) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse1 .cse2)) .cse3 .cse0 (<= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse5 .cse1 .cse2)) [2021-07-05 04:47:32,043 INFO L762 garLoopResultBuilder]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,043 INFO L758 garLoopResultBuilder]: At program point L15-8(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~x~0 1)) (.cse2 (<= 0 ULTIMATE.start_main_~x~0)) (.cse3 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse1 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse2 (or (and .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse3 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse4 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse1 .cse2 .cse3 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse4)) .cse3 .cse5 .cse4)) [2021-07-05 04:47:32,043 INFO L762 garLoopResultBuilder]: For program point L15-9(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,043 INFO L758 garLoopResultBuilder]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse3 (<= ULTIMATE.start_main_~x~0 1)) (.cse4 (<= 0 ULTIMATE.start_main_~x~0)) (.cse1 (<= ULTIMATE.start_main_~r~0 1)) (.cse5 (<= ULTIMATE.start_main_~y~0 1)) (.cse2 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse1 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse2 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse0 .cse3 .cse4 .cse1 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse5 .cse2)) .cse0 (<= 1 ULTIMATE.start_main_~b~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~r~0) .cse3 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse4 .cse1 .cse5 .cse2)) [2021-07-05 04:47:32,043 INFO L762 garLoopResultBuilder]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,043 INFO L758 garLoopResultBuilder]: At program point L15-14(lines 52 53) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (<= 1 ULTIMATE.start_main_~y~0)) (.cse4 (<= ULTIMATE.start_main_~x~0 1)) (.cse5 (<= 0 ULTIMATE.start_main_~x~0)) (.cse2 (<= ULTIMATE.start_main_~r~0 1)) (.cse6 (<= ULTIMATE.start_main_~y~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (and .cse0 (or (and .cse0 .cse1 (= ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~a~0 1) .cse2 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse3 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0)) (and .cse1 .cse4 .cse5 .cse2 (<= (div (* ULTIMATE.start_main_~b~0 (- 1)) (- 2)) (div ULTIMATE.start_main_~r~0 2)) .cse6 .cse3)) .cse1 (<= 1 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~r~0) .cse4 (= ULTIMATE.start_main_~b~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~r~0 (* ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~y~0))) .cse5 .cse2 .cse6 .cse3)) [2021-07-05 04:47:32,044 INFO L765 garLoopResultBuilder]: At program point L65(lines 22 66) the Hoare annotation is: true [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L15-15(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L758 garLoopResultBuilder]: At program point L15-17(lines 14 20) the Hoare annotation is: false [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L15-18(lines 15 18) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L765 garLoopResultBuilder]: At program point L15-20(lines 14 20) the Hoare annotation is: true [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,044 INFO L762 garLoopResultBuilder]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,045 INFO L762 garLoopResultBuilder]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,045 INFO L762 garLoopResultBuilder]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,045 INFO L762 garLoopResultBuilder]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2021-07-05 04:47:32,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 04:47:32,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 04:47:32,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-07-05 04:47:32,263 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 04:47:32,264 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 04:47:32,264 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION was SAFE (7/7) [2021-07-05 04:47:32,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 04:47:32 BoogieIcfgContainer [2021-07-05 04:47:32,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 04:47:32,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 04:47:32,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 04:47:32,280 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 04:47:32,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 04:47:24" (3/4) ... [2021-07-05 04:47:32,286 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 04:47:32,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-07-05 04:47:32,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-05 04:47:32,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 04:47:32,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 04:47:32,316 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 04:47:32,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 04:47:32,317 INFO L168 Benchmark]: Toolchain (without parser) took 8581.51 ms. Allocated memory was 58.7 MB in the beginning and 125.8 MB in the end (delta: 67.1 MB). Free memory was 36.9 MB in the beginning and 59.6 MB in the end (delta: -22.7 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,317 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 04:47:32,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.07 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 41.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 40.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L168 Benchmark]: Boogie Preprocessor took 12.74 ms. Allocated memory is still 58.7 MB. Free memory was 40.1 MB in the beginning and 38.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L168 Benchmark]: RCFGBuilder took 355.04 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 49.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L168 Benchmark]: TraceAbstraction took 7975.16 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 48.9 MB in the beginning and 63.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L168 Benchmark]: Witness Printer took 36.95 ms. Allocated memory is still 125.8 MB. Free memory was 63.8 MB in the beginning and 59.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 04:47:32,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 176.07 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 41.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 40.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 12.74 ms. Allocated memory is still 58.7 MB. Free memory was 40.1 MB in the beginning and 38.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 355.04 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 49.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7975.16 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 48.9 MB in the beginning and 63.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * Witness Printer took 36.95 ms. Allocated memory is still 125.8 MB. Free memory was 63.8 MB in the beginning and 59.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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 - 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 - 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 - 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 - 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 - 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 - 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1642.0ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 8.5ms, AutomataDifference: 402.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 105.8ms, InitialAbstractionConstructionTime: 8.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 72 SDtfs, 85 SDslu, 39 SDs, 0 SdLazy, 85 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 317.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 22 NumberOfFragments, 131 HoareAnnotationTreeSize, 10 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 32.4ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 67.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 16.1ms SsaConstructionTime, 55.2ms SatisfiabilityAnalysisTime, 392.2ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 14 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2896.5ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 2.9ms, AutomataDifference: 678.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 615.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 84 SDtfs, 217 SDslu, 97 SDs, 0 SdLazy, 244 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 578.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 28 NumberOfFragments, 450 HoareAnnotationTreeSize, 10 FomulaSimplifications, 677 FormulaSimplificationTreeSizeReduction, 97.4ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 515.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 22.4ms SsaConstructionTime, 61.6ms SatisfiabilityAnalysisTime, 670.5ms InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 26 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 11/15 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1320.4ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 1.1ms, AutomataDifference: 376.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 79.2ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 158 SDslu, 33 SDs, 0 SdLazy, 97 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 375.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 22 NumberOfFragments, 151 HoareAnnotationTreeSize, 10 FomulaSimplifications, 294 FormulaSimplificationTreeSizeReduction, 10.4ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 67.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 11.5ms SsaConstructionTime, 28.4ms SatisfiabilityAnalysisTime, 246.6ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 16 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 438.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.8ms, AutomataDifference: 55.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21.1ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 17 SDslu, 19 SDs, 0 SdLazy, 42 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 23 NumberOfFragments, 54 HoareAnnotationTreeSize, 10 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 5.8ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 14.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 5.2ms SsaConstructionTime, 23.1ms SatisfiabilityAnalysisTime, 90.1ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 7 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 471.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.0ms, AutomataDifference: 88.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 43.1ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 33 SDslu, 19 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 69.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 21 NumberOfFragments, 76 HoareAnnotationTreeSize, 10 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 12.2ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 30.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 5.5ms SsaConstructionTime, 12.6ms SatisfiabilityAnalysisTime, 72.5ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 5 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 654.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 141.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 68.4ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 56 SDslu, 12 SDs, 0 SdLazy, 36 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 176.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 22 NumberOfFragments, 127 HoareAnnotationTreeSize, 10 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 21.0ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 46.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 5.6ms SsaConstructionTime, 13.7ms SatisfiabilityAnalysisTime, 162.0ms InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 474.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.8ms, AutomataDifference: 56.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 16.5ms, InitialAbstractionConstructionTime: 0.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 22 SDslu, 19 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 23 NumberOfFragments, 54 HoareAnnotationTreeSize, 10 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 4.2ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 11.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.9ms SsaConstructionTime, 15.2ms SatisfiabilityAnalysisTime, 72.8ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 7 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 7 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((((((((((((((((1 == cond && x == b + r) && y <= x) && a == q) && a == 1) && y <= 1) && 2 * r < x) && cond == 1) && x <= r + y) || ((((((((1 <= cond && 1 <= y) && r == x) && q == 0) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1)) && 1 <= y) && 1 == cond) && x <= 1) && b == a * y) && x == r + q * y) && 0 <= x) && r <= 1) && y <= 1) && cond == 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((((((((1 <= cond && (((((((((1 <= cond && 1 <= y) && r == x) && q == 0) && a == 1) && r <= 1) && b <= y) && cond == 1) && y <= r) || ((((((1 <= y && x <= 1) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1))) && 1 <= y) && 1 <= b) && 1 <= r) && x <= 1) && b == a * y) && x == r + q * y) && 0 <= x) && r <= 1) && y <= 1) && cond == 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((((1 <= y && 1 <= b) && 1 == cond) && 1 <= r) && x <= 1) && b == a * y) && x == r + q * y) && 0 <= x) && ((((((((1 <= y && r == x) && q == 0) && a == 1) && r <= 1) && b <= y) && cond == 1) && y <= r) || ((((((1 <= y && x <= 1) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1))) && r <= 1) && y <= 1) && cond == 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((1 <= y && (((((((((1 == cond && x == b + r) && y <= x) && a == q) && a == 1) && y <= 1) && 2 * r < x) && cond == 1) && x <= r + y) || (((((((1 <= y && r == x) && q == 0) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1))) && 1 == cond) && x <= 1) && b == a * y) && 0 <= x) && r <= 1) && y <= 1) && cond == 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((((((((((((((1 <= cond && 1 <= y) && r == x) && q == 0) && a == 1) && r <= 1) && b <= y) && cond == 1) && y <= r) || ((((((1 <= y && x <= 1) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1)) && 1 <= y) && 1 <= b) && 1 <= r) && x <= 1) && b == a * y) && x == r + q * y) && 0 <= x) && a == 1) && r <= 1) && b == y) && y <= 1) && cond == 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((((((((((1 <= cond && 1 <= y) && r == x) && q == 0) && a == 1) && r <= 1) && b <= y) && cond == 1) && y <= r) || ((((((1 <= y && x <= 1) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1)) && 1 <= y) && 1 <= b) && 1 == cond) && 1 <= r) && x <= 1) && b == a * y) && x == r + q * y) && 0 <= x) && r <= 1) && y <= 1) && cond == 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((((((((((((1 <= cond && r < b) && y <= b + r) && x == b + r) && a == q) && a == 1) && y <= 1) && b <= y) && cond == 1) || (((((((1 <= y && r == x) && q == 0) && 0 <= x) && r <= 1) && b * -1 / -2 <= r / 2) && y <= 1) && cond == 1)) && 1 <= y) && x <= 1) && b == a * y) && 0 <= x) && r <= 1) && y <= 1) && cond == 1 RESULT: Ultimate proved your program to be correct! [2021-07-05 04:47:32,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...